Re: Fwd: [PATCH] add support for ALPS v7 protocol device

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Do you mean that cursor jitters, moves away from target when hitting the button?

2014/1/16 Dylan Thurston <dpthurst@xxxxxxxxxxx>:
> Another small issue: it's a little difficult to click in the touchpad
> area without moving the mouse. This can make it difficult to hit small
> buttons.
>
> --Dylan
>
> On Wed, Jan 15, 2014 at 08:00:34AM -0500, Dylan Thurston wrote:
>> One glitch: I see mouse jumping sometimes when dragging. This has
>> happened a couple times when resizing windows with a right-click and
>> drag.
>>
>> I'm using X.org from Debian unstable, in case that's relevant.
>>
>> --Dylan
>>
>> On Wed, Jan 15, 2014 at 12:16:50AM -0500, Dylan Thurston wrote:
>> > This patch seems to work in the 3.13-rc8 kernel, at least on an
>> > initial check. The problems with excess clicks while typing have
>> > disappeared. I'll report back with any glitches I see.
>> >
>> > Thank you!
>> >
>> > --Dylan
>> >
>> > On Wed, Jan 15, 2014 at 11:15:02AM +0800, Elaine Chen wrote:
>> > > Hi Dylan,
>> > >
>> > > Thank you! This patch is againt Dmitry Torokhov's input tree, based on
>> > > the modification of:
>> > > 2013-12-26    Input: ALPS - add support for "Dolphin" devices      Yunkang Tang
>> > > As linux-next-20140114 has already merged Dolphin support, the patch
>> > > should be matched.
>> > > As for the blank screen, I'll debug on my side. Sorry for that.
>> > > What is the kernel version on your HP side? Is it 3.13-rc8?
>> > >
>> > > Yes, it is safe to copy both alps.c and alps.h from linux-next version
>> > > to 3.13-rc8 kerenl.
>> > >
>> > >
>> > >
>> > > 2014/1/15 Dylan Thurston <dpthurst@xxxxxxxxxxx>:
>> > > > Thank you! Which versions does this apply against? It patched for me
>> > > > with no fuzz against linux-next-20140114, but unfortunately X seems to
>> > > > be broken for me on that version (blank screen). I get fuzz and
>> > > > rejected patches when applying it to 3.13-rc8. Is it safe to just copy
>> > > > over alps.c from the linux-next version?
>> > > >
>> > > > (Of course, it's possible that the blank screen is a side effect of
>> > > > the correct recognition of the touchpad.)
>> > > >
>> > > > Thanks,
>> > > >         Dylan
>> > > >
>> > > > On Tue, Jan 14, 2014 at 02:11:59PM +0800, Tommy Will wrote:
>> > > >> Hi Dylan,
>> > > >>
>> > > >> My colleague Elaine has prepared the patch for new ALPS touchpad that
>> > > >> being used on your HP Revolve 810 G1 laptop.
>> > > >> You can have a try~
>> > > >>
>> > > >> --
>> > > >> Best Regards,
>> > > >> Tommy
>> > > >>
>> > > >> ---------- Forwarded message ----------
>> > > >> From: Elaine Chen <elaineee66@xxxxxxxxx>
>> > > >> Date: 2014/1/14
>> > > >> Subject: Re: [PATCH] add support for ALPS v7 protocol device
>> > > >> To: Dmitry Torokhov <dmitry.torokhov@xxxxxxxxx>, cernekee@xxxxxxxxx,
>> > > >> david turvene <dturvene@xxxxxxxxxxxx>
>> > > >> 抄送: linux-input@xxxxxxxxxxxxxxx, ndevos@xxxxxxxxxx, jclift@xxxxxxxxxx,
>> > > >> Qiting Chen <qiting.chen@xxxxxxxxxxx>
>> > > >>
>> > > >>
>> > > >> As far as I know, the ALPS v7 protocol device is used on following laptops:
>> > > >>
>> > > >> Lenovo S430/S435/S530, Lenovo Z410/Z510, HP Odie, HP Revolve 810 G1
>> > > >>
>> > > >> 2014/1/10 Qiting Chen <elaineee66@xxxxxxxxx>:
>> > > >> > Here is the patch of supporting ALPS v7 protocol device.
>> > > >> >
>> > > >> > v7 device is a clickpad device.
>> > > >> > Device info:
>> > > >> >         Device ID = 0x73, 0x03, 0x0a
>> > > >> >         Firmware ID = 0x88, 0xb*, 0x**
>> > > >> >
>> > > >> > Support function of v7 device:
>> > > >> > - Cursor
>> > > >> > - Tap, double tap, tap drag, 2finger tap
>> > > >> > - Pan, pinch
>> > > >> > - Button click: v7 device has one physical button under the touchpad. A Button Area covers the bottom of touchpad. Clicking on Button Area produces button acitivities.
>> > > >> >   Click touchpad with all fingers outside right Button Area --> left click
>> > > >> >   Click touchpad with at lease 1 finger inside right Button Area --> right click
>> > > >> > - Resting finger function: Cursor and gestures won't be influenced with one finger placed still on Button Area.
>> > > >> >
>> > > >> > The resting finger process is in alps.c as it seems the latest xserver-xorg-input-synaptics(1.7.1) doesn't support that part.
>> > > >> > We tried registering our device as a clickpad by:
>> > > >> >         set_bit(INPUT_PROP_BUTTONPAD, dev1->propbit)
>> > > >> > But only button click can be correctly recognized. Yet a finger at Button Area won't be ignored while doing cursroing.
>> > > >> >
>> > > >> >
>> > > >> > Signed-off-by: Qiting Chen <qiting.chen@xxxxxxxxxxx>
>> > > >> > ---
>> > > >> >  drivers/input/mouse/alps.c | 478 ++++++++++++++++++++++++++++++++++++++++++---
>> > > >> >  drivers/input/mouse/alps.h | 127 ++++++++++--
>> > > >> >  2 files changed, 554 insertions(+), 51 deletions(-)
>> > > >> >
>> > > >> > diff --git a/drivers/input/mouse/alps.c b/drivers/input/mouse/alps.c
>> > > >> > index fb15c64..3e8e8f7 100644
>> > > >> > --- a/drivers/input/mouse/alps.c
>> > > >> > +++ b/drivers/input/mouse/alps.c
>> > > >> > @@ -32,6 +32,11 @@
>> > > >> >  #define ALPS_REG_BASE_RUSHMORE 0xc2c0
>> > > >> >  #define ALPS_REG_BASE_PINNACLE 0x0000
>> > > >> >
>> > > >> > +#define LEFT_BUTTON_BIT                        0x01
>> > > >> > +#define RIGHT_BUTTON_BIT               0x02
>> > > >> > +
>> > > >> > +#define V7_LARGE_MOVEMENT              130
>> > > >> > +
>> > > >> >  static const struct alps_nibble_commands alps_v3_nibble_commands[] = {
>> > > >> >         { PSMOUSE_CMD_SETPOLL,          0x00 }, /* 0 */
>> > > >> >         { PSMOUSE_CMD_RESET_DIS,        0x00 }, /* 1 */
>> > > >> > @@ -99,6 +104,7 @@ static const struct alps_nibble_commands alps_v6_nibble_commands[] = {
>> > > >> >  #define ALPS_FOUR_BUTTONS      0x40    /* 4 direction button present */
>> > > >> >  #define ALPS_PS2_INTERLEAVED   0x80    /* 3-byte PS/2 packet interleaved with
>> > > >> >                                            6-byte ALPS packet */
>> > > >> > +#define ALPS_BTNLESS                   0x100   /* ALPS ClickPad flag */
>> > > >> >
>> > > >> >  static const struct alps_model_info alps_model_data[] = {
>> > > >> >         { { 0x32, 0x02, 0x14 }, 0x00, ALPS_PROTO_V2, 0xf8, 0xf8, ALPS_PASS | ALPS_DUALPOINT },  /* Toshiba Salellite Pro M10 */
>> > > >> > @@ -140,6 +146,20 @@ static void alps_set_abs_params_mt(struct alps_data *priv,
>> > > >> >   * isn't valid per PS/2 spec.
>> > > >> >   */
>> > > >> >
>> > > >> > +static unsigned int alps_pt_distance(struct alps_abs_data *pt0,
>> > > >> > +                                   struct alps_abs_data *pt1)
>> > > >> > +{
>> > > >> > +       int vect_x, vect_y;
>> > > >> > +
>> > > >> > +       if (!pt0 || !pt1)
>> > > >> > +               return 0;
>> > > >> > +
>> > > >> > +       vect_x = pt0->x - pt1->x;
>> > > >> > +       vect_y = pt0->y - pt1->y;
>> > > >> > +
>> > > >> > +       return int_sqrt(vect_x * vect_x + vect_y * vect_y);
>> > > >> > +}
>> > > >> > +
>> > > >> >  /* Packet formats are described in Documentation/input/alps.txt */
>> > > >> >
>> > > >> >  static bool alps_is_valid_first_byte(struct alps_data *priv,
>> > > >> > @@ -320,8 +340,8 @@ static void alps_process_bitmap_dolphin(struct alps_data *priv,
>> > > >> >                 end_bit = y_msb - 1;
>> > > >> >                 box_middle_y = (priv->y_max * (start_bit + end_bit)) /
>> > > >> >                                 (2 * (priv->y_bits - 1));
>> > > >> > -               *x1 = fields->x;
>> > > >> > -               *y1 = fields->y;
>> > > >> > +               *x1 = fields->pt.x;
>> > > >> > +               *y1 = fields->pt.y;
>> > > >> >                 *x2 = 2 * box_middle_x - *x1;
>> > > >> >                 *y2 = 2 * box_middle_y - *y1;
>> > > >> >         }
>> > > >> > @@ -461,6 +481,38 @@ static void alps_report_semi_mt_data(struct input_dev *dev, int num_fingers,
>> > > >> >         alps_set_slot(dev, 1, num_fingers == 2, x2, y2);
>> > > >> >  }
>> > > >> >
>> > > >> > +static void alps_report_coord_and_btn(struct psmouse *psmouse,
>> > > >> > +                                     struct alps_fields *f)
>> > > >> > +{
>> > > >> > +       struct input_dev *dev;
>> > > >> > +
>> > > >> > +       if (!psmouse || !f)
>> > > >> > +               return;
>> > > >> > +
>> > > >> > +       dev = psmouse->dev;
>> > > >> > +
>> > > >> > +       if (f->fingers) {
>> > > >> > +               input_report_key(dev, BTN_TOUCH, 1);
>> > > >> > +               alps_report_semi_mt_data(dev, f->fingers,
>> > > >> > +                       f->pt_img[0].x, f->pt_img[0].y,
>> > > >> > +                       f->pt_img[1].x, f->pt_img[1].y);
>> > > >> > +               input_mt_report_finger_count(dev, f->fingers);
>> > > >> > +
>> > > >> > +               input_report_abs(dev, ABS_X, f->pt_img[0].x);
>> > > >> > +               input_report_abs(dev, ABS_Y, f->pt_img[0].y);
>> > > >> > +               input_report_abs(dev, ABS_PRESSURE, f->pt_img[0].z);
>> > > >> > +       } else {
>> > > >> > +               input_report_key(dev, BTN_TOUCH, 0);
>> > > >> > +               input_mt_report_finger_count(dev, 0);
>> > > >> > +               input_report_abs(dev, ABS_PRESSURE, 0);
>> > > >> > +       }
>> > > >> > +
>> > > >> > +       input_report_key(dev, BTN_LEFT, f->btn.left);
>> > > >> > +       input_report_key(dev, BTN_RIGHT, f->btn.right);
>> > > >> > +
>> > > >> > +       input_sync(dev);
>> > > >> > +}
>> > > >> > +
>> > > >> >  static void alps_process_trackstick_packet_v3(struct psmouse *psmouse)
>> > > >> >  {
>> > > >> >         struct alps_data *priv = psmouse->private;
>> > > >> > @@ -523,13 +575,13 @@ static void alps_process_trackstick_packet_v3(struct psmouse *psmouse)
>> > > >> >
>> > > >> >  static void alps_decode_buttons_v3(struct alps_fields *f, unsigned char *p)
>> > > >> >  {
>> > > >> > -       f->left = !!(p[3] & 0x01);
>> > > >> > -       f->right = !!(p[3] & 0x02);
>> > > >> > -       f->middle = !!(p[3] & 0x04);
>> > > >> > +       f->btn.left = !!(p[3] & 0x01);
>> > > >> > +       f->btn.right = !!(p[3] & 0x02);
>> > > >> > +       f->btn.middle = !!(p[3] & 0x04);
>> > > >> >
>> > > >> > -       f->ts_left = !!(p[3] & 0x10);
>> > > >> > -       f->ts_right = !!(p[3] & 0x20);
>> > > >> > -       f->ts_middle = !!(p[3] & 0x40);
>> > > >> > +       f->btn.ts_left = !!(p[3] & 0x10);
>> > > >> > +       f->btn.ts_right = !!(p[3] & 0x20);
>> > > >> > +       f->btn.ts_middle = !!(p[3] & 0x40);
>> > > >> >  }
>> > > >> >
>> > > >> >  static void alps_decode_pinnacle(struct alps_fields *f, unsigned char *p,
>> > > >> > @@ -546,10 +598,10 @@ static void alps_decode_pinnacle(struct alps_fields *f, unsigned char *p,
>> > > >> >                    ((p[2] & 0x7f) << 1) |
>> > > >> >                    (p[4] & 0x01);
>> > > >> >
>> > > >> > -       f->x = ((p[1] & 0x7f) << 4) | ((p[4] & 0x30) >> 2) |
>> > > >> > +       f->pt.x = ((p[1] & 0x7f) << 4) | ((p[4] & 0x30) >> 2) |
>> > > >> >                ((p[0] & 0x30) >> 4);
>> > > >> > -       f->y = ((p[2] & 0x7f) << 4) | (p[4] & 0x0f);
>> > > >> > -       f->z = p[5] & 0x7f;
>> > > >> > +       f->pt.y = ((p[2] & 0x7f) << 4) | (p[4] & 0x0f);
>> > > >> > +       f->pt.z = p[5] & 0x7f;
>> > > >> >
>> > > >> >         alps_decode_buttons_v3(f, p);
>> > > >> >  }
>> > > >> > @@ -573,9 +625,9 @@ static void alps_decode_dolphin(struct alps_fields *f, unsigned char *p,
>> > > >> >         f->is_mp = !!(p[0] & 0x20);
>> > > >> >
>> > > >> >         if (!f->is_mp) {
>> > > >> > -               f->x = ((p[1] & 0x7f) | ((p[4] & 0x0f) << 7));
>> > > >> > -               f->y = ((p[2] & 0x7f) | ((p[4] & 0xf0) << 3));
>> > > >> > -               f->z = (p[0] & 4) ? 0 : p[5] & 0x7f;
>> > > >> > +               f->pt.x = ((p[1] & 0x7f) | ((p[4] & 0x0f) << 7));
>> > > >> > +               f->pt.y = ((p[2] & 0x7f) | ((p[4] & 0xf0) << 3));
>> > > >> > +               f->pt.z = (p[0] & 4) ? 0 : p[5] & 0x7f;
>> > > >> >                 alps_decode_buttons_v3(f, p);
>> > > >> >         } else {
>> > > >> >                 f->fingers = ((p[0] & 0x6) >> 1 |
>> > > >> > @@ -687,7 +739,7 @@ static void alps_process_touchpad_packet_v3_v5(struct psmouse *psmouse)
>> > > >> >          * with x, y, and z all zero, so these seem to be flukes.
>> > > >> >          * Ignore them.
>> > > >> >          */
>> > > >> > -       if (f.x && f.y && !f.z)
>> > > >> > +       if (f.pt.x && f.pt.y && !f.pt.z)
>> > > >> >                 return;
>> > > >> >
>> > > >> >         /*
>> > > >> > @@ -695,12 +747,12 @@ static void alps_process_touchpad_packet_v3_v5(struct psmouse *psmouse)
>> > > >> >          * to rely on ST data.
>> > > >> >          */
>> > > >> >         if (!fingers) {
>> > > >> > -               x1 = f.x;
>> > > >> > -               y1 = f.y;
>> > > >> > -               fingers = f.z > 0 ? 1 : 0;
>> > > >> > +               x1 = f.pt.x;
>> > > >> > +               y1 = f.pt.y;
>> > > >> > +               fingers = f.pt.z > 0 ? 1 : 0;
>> > > >> >         }
>> > > >> >
>> > > >> > -       if (f.z >= 64)
>> > > >> > +       if (f.pt.z >= 64)
>> > > >> >                 input_report_key(dev, BTN_TOUCH, 1);
>> > > >> >         else
>> > > >> >                 input_report_key(dev, BTN_TOUCH, 0);
>> > > >> > @@ -709,22 +761,22 @@ static void alps_process_touchpad_packet_v3_v5(struct psmouse *psmouse)
>> > > >> >
>> > > >> >         input_mt_report_finger_count(dev, fingers);
>> > > >> >
>> > > >> > -       input_report_key(dev, BTN_LEFT, f.left);
>> > > >> > -       input_report_key(dev, BTN_RIGHT, f.right);
>> > > >> > -       input_report_key(dev, BTN_MIDDLE, f.middle);
>> > > >> > +       input_report_key(dev, BTN_LEFT, f.btn.left);
>> > > >> > +       input_report_key(dev, BTN_RIGHT, f.btn.right);
>> > > >> > +       input_report_key(dev, BTN_MIDDLE, f.btn.middle);
>> > > >> >
>> > > >> > -       if (f.z > 0) {
>> > > >> > -               input_report_abs(dev, ABS_X, f.x);
>> > > >> > -               input_report_abs(dev, ABS_Y, f.y);
>> > > >> > +       if (f.pt.z > 0) {
>> > > >> > +               input_report_abs(dev, ABS_X, f.pt.x);
>> > > >> > +               input_report_abs(dev, ABS_Y, f.pt.y);
>> > > >> >         }
>> > > >> > -       input_report_abs(dev, ABS_PRESSURE, f.z);
>> > > >> > +       input_report_abs(dev, ABS_PRESSURE, f.pt.z);
>> > > >> >
>> > > >> >         input_sync(dev);
>> > > >> >
>> > > >> >         if (!(priv->quirks & ALPS_QUIRK_TRACKSTICK_BUTTONS)) {
>> > > >> > -               input_report_key(dev2, BTN_LEFT, f.ts_left);
>> > > >> > -               input_report_key(dev2, BTN_RIGHT, f.ts_right);
>> > > >> > -               input_report_key(dev2, BTN_MIDDLE, f.ts_middle);
>> > > >> > +               input_report_key(dev2, BTN_LEFT, f.btn.ts_left);
>> > > >> > +               input_report_key(dev2, BTN_RIGHT, f.btn.ts_right);
>> > > >> > +               input_report_key(dev2, BTN_MIDDLE, f.btn.ts_middle);
>> > > >> >                 input_sync(dev2);
>> > > >> >         }
>> > > >> >  }
>> > > >> > @@ -916,6 +968,294 @@ static void alps_process_packet_v4(struct psmouse *psmouse)
>> > > >> >         input_sync(dev);
>> > > >> >  }
>> > > >> >
>> > > >> > +static bool alps_is_valid_package_v7(struct psmouse *psmouse)
>> > > >> > +{
>> > > >> > +       if ((psmouse->pktcnt == 3) && ((psmouse->packet[2] & 0x40) != 0x40))
>> > > >> > +               return false;
>> > > >> > +       if ((psmouse->pktcnt == 4) && ((psmouse->packet[3] & 0x48) != 0x48))
>> > > >> > +               return false;
>> > > >> > +       if ((psmouse->pktcnt == 6) && ((psmouse->packet[5] & 0x40) != 0x0))
>> > > >> > +               return false;
>> > > >> > +       return true;
>> > > >> > +}
>> > > >> > +
>> > > >> > +static int alps_drop_unsupported_packet_v7(struct psmouse *psmouse)
>> > > >> > +{
>> > > >> > +       struct alps_data *priv = psmouse->private;
>> > > >> > +       int drop = 1;
>> > > >> > +
>> > > >> > +       if (priv->r.v7.pkt_id == V7_PACKET_ID_NEW ||
>> > > >> > +           priv->r.v7.pkt_id == V7_PACKET_ID_TWO ||
>> > > >> > +           priv->r.v7.pkt_id == V7_PACKET_ID_MULTI ||
>> > > >> > +           priv->r.v7.pkt_id == V7_PACKET_ID_IDLE)
>> > > >> > +               drop = 0;
>> > > >> > +
>> > > >> > +       return drop;
>> > > >> > +}
>> > > >> > +
>> > > >> > +static unsigned char alps_get_packet_id_v7(char *byte)
>> > > >> > +{
>> > > >> > +       unsigned char packet_id;
>> > > >> > +
>> > > >> > +       if (byte[4] & 0x40)
>> > > >> > +               packet_id = V7_PACKET_ID_TWO;
>> > > >> > +       else if (byte[4] & 0x01)
>> > > >> > +               packet_id = V7_PACKET_ID_MULTI;
>> > > >> > +       else if ((byte[0] & 0x10) && !(byte[4] & 0x43))
>> > > >> > +               packet_id = V7_PACKET_ID_NEW;
>> > > >> > +       else
>> > > >> > +               packet_id = V7_PACKET_ID_IDLE;
>> > > >> > +
>> > > >> > +       return packet_id;
>> > > >> > +}
>> > > >> > +
>> > > >> > +static void alps_get_finger_coordinate_v7(struct alps_abs_data *pt,
>> > > >> > +                                         unsigned char *pkt,
>> > > >> > +                                         unsigned char pkt_id)
>> > > >> > +{
>> > > >> > +       if ((pkt_id == V7_PACKET_ID_TWO) ||
>> > > >> > +          (pkt_id == V7_PACKET_ID_MULTI) ||
>> > > >> > +          (pkt_id == V7_PACKET_ID_NEW)) {
>> > > >> > +               pt[0].x = ((pkt[2] & 0x80) << 4);
>> > > >> > +               pt[0].x |= ((pkt[2] & 0x3F) << 5);
>> > > >> > +               pt[0].x |= ((pkt[3] & 0x30) >> 1);
>> > > >> > +               pt[0].x |= (pkt[3] & 0x07);
>> > > >> > +               pt[0].y = (pkt[1] << 3) | (pkt[0] & 0x07);
>> > > >> > +
>> > > >> > +               pt[1].x = ((pkt[3] & 0x80) << 4);
>> > > >> > +               pt[1].x |= ((pkt[4] & 0x80) << 3);
>> > > >> > +               pt[1].x |= ((pkt[4] & 0x3F) << 4);
>> > > >> > +               pt[1].y = ((pkt[5] & 0x80) << 3);
>> > > >> > +               pt[1].y |= ((pkt[5] & 0x3F) << 4);
>> > > >> > +
>> > > >> > +               if (pkt_id == V7_PACKET_ID_TWO) {
>> > > >> > +                       pt[1].x &= ~0x000F;
>> > > >> > +                       pt[1].y |= 0x000F;
>> > > >> > +               } else if (pkt_id == V7_PACKET_ID_MULTI) {
>> > > >> > +                       pt[1].x &= ~0x003F;
>> > > >> > +                       pt[1].y &= ~0x0020;
>> > > >> > +                       pt[1].y |= ((pkt[4] & 0x02) << 4);
>> > > >> > +                       pt[1].y |= 0x001F;
>> > > >> > +               } else if (pkt_id == V7_PACKET_ID_NEW) {
>> > > >> > +                       pt[1].x &= ~0x003F;
>> > > >> > +                       pt[1].x |= (pkt[0] & 0x20);
>> > > >> > +                       pt[1].y |= 0x000F;
>> > > >> > +               }
>> > > >> > +
>> > > >> > +               pt[0].y = 0x7FF - pt[0].y;
>> > > >> > +               pt[1].y = 0x7FF - pt[1].y;
>> > > >> > +
>> > > >> > +               pt[0].z = (pt[0].x && pt[0].y) ? 62 : 0;
>> > > >> > +               pt[1].z = (pt[1].x && pt[1].y) ? 62 : 0;
>> > > >> > +       }
>> > > >> > +}
>> > > >> > +
>> > > >> > +static void alps_decode_packet_v7(struct alps_fields *f,
>> > > >> > +                                 unsigned char *p,
>> > > >> > +                                 struct psmouse *psmouse)
>> > > >> > +{
>> > > >> > +       struct alps_data *priv = psmouse->private;
>> > > >> > +
>> > > >> > +       priv->r.v7.pkt_id = alps_get_packet_id_v7(p);
>> > > >> > +
>> > > >> > +       alps_get_finger_coordinate_v7(f->pt_img, p, priv->r.v7.pkt_id);
>> > > >> > +
>> > > >> > +       priv->r.v7.rest_left = 0;
>> > > >> > +       priv->r.v7.rest_right = 0;
>> > > >> > +       priv->r.v7.additional_fingers = 0;
>> > > >> > +       priv->phy_btn = 0;
>> > > >> > +
>> > > >> > +       if (priv->r.v7.pkt_id == V7_PACKET_ID_TWO ||
>> > > >> > +           priv->r.v7.pkt_id == V7_PACKET_ID_MULTI) {
>> > > >> > +               priv->r.v7.rest_left = (p[0] & 0x10) >> 4;
>> > > >> > +               priv->r.v7.rest_right = (p[0] & 0x20) >> 5;
>> > > >> > +       }
>> > > >> > +
>> > > >> > +       if (priv->r.v7.pkt_id == V7_PACKET_ID_MULTI)
>> > > >> > +               priv->r.v7.additional_fingers = p[5] & 0x03;
>> > > >> > +
>> > > >> > +       priv->phy_btn = (p[0] & 0x80) >> 7;
>> > > >> > +}
>> > > >> > +
>> > > >> > +static void alps_set_each_pt_attr_v7(struct psmouse *psmouse,
>> > > >> > +                                    struct alps_abs_data *pt,
>> > > >> > +                                    struct alps_bl_pt_attr *pt_attr)
>> > > >> > +{
>> > > >> > +       struct alps_data *priv = psmouse->private;
>> > > >> > +       unsigned int dist;
>> > > >> > +
>> > > >> > +       if (!pt_attr->is_init_pt_got && pt->z != 0) {
>> > > >> > +               pt_attr->is_init_pt_got = 1;
>> > > >> > +               pt_attr->is_counted = 0;
>> > > >> > +               memcpy(&pt_attr->init_pt, pt, sizeof(pt_attr->init_pt));
>> > > >> > +       }
>> > > >> > +
>> > > >> > +       if (pt->z != 0) {
>> > > >> > +               if (pt->y < priv->resting_zone_y_min) {
>> > > >> > +                       /* A finger is recognized as a non-resting finger
>> > > >> > +                       if it's position is outside the resting finger zone.*/
>> > > >> > +                       pt_attr->zone = ZONE_NORMAL;
>> > > >> > +                       pt_attr->is_counted = 1;
>> > > >> > +               } else {
>> > > >> > +                       /* A finger is recognized as a resting finger if it's
>> > > >> > +                       position is inside the resting finger zone and there's
>> > > >> > +                       no large movement from it's touch down position.*/
>> > > >> > +                       pt_attr->zone = ZONE_RESTING;
>> > > >> > +
>> > > >> > +                       if (pt->x > priv->x_max / 2)
>> > > >> > +                               pt_attr->zone |= ZONE_RIGHT_BTN;
>> > > >> > +                       else
>> > > >> > +                               pt_attr->zone |= ZONE_LEFT_BTN;
>> > > >> > +
>> > > >> > +                       /* A resting finger will turn to be a non-resting
>> > > >> > +                       finger if it has made large movement from it's touch
>> > > >> > +                       down position. A non-resting finger will never turn
>> > > >> > +                       to a resting finger before it leaves the touchpad
>> > > >> > +                       surface.*/
>> > > >> > +                       if (pt_attr->is_init_pt_got) {
>> > > >> > +                               dist = alps_pt_distance(pt, &pt_attr->init_pt);
>> > > >> > +
>> > > >> > +                               if (dist > V7_LARGE_MOVEMENT)
>> > > >> > +                                       pt_attr->is_counted = 1;
>> > > >> > +                       }
>> > > >> > +               }
>> > > >> > +       }
>> > > >> > +}
>> > > >> > +
>> > > >> > +static void alps_set_pt_attr_v7(struct psmouse *psmouse,
>> > > >> > +                                      struct alps_fields *f)
>> > > >> > +{
>> > > >> > +       struct alps_data *priv = psmouse->private;
>> > > >> > +       int i;
>> > > >> > +
>> > > >> > +       switch (priv->r.v7.pkt_id) {
>> > > >> > +       case  V7_PACKET_ID_TWO:
>> > > >> > +       case  V7_PACKET_ID_MULTI:
>> > > >> > +               for (i = 0; i < V7_IMG_PT_NUM; i++)
>> > > >> > +                       alps_set_each_pt_attr_v7(psmouse,
>> > > >> > +                                                &f->pt_img[i],
>> > > >> > +                                                &priv->pt_attr[i]);
>> > > >> > +               break;
>> > > >> > +       default:
>> > > >> > +               /*All finger attributes are cleared when packet ID is
>> > > >> > +               'IDLE', 'New'or other unknown IDs. An 'IDLE' packet
>> > > >> > +               indicates that there's no finger and no button activity.
>> > > >> > +               A 'NEW' packet indicates the finger position in packet
>> > > >> > +               is not continues from previous packet. Such as the
>> > > >> > +               condition there's finger placed or lifted. In these cases,
>> > > >> > +               finger attributes will be reset.*/
>> > > >> > +               memset(priv->pt_attr, 0, sizeof(priv->pt_attr[0]) * 2);
>> > > >> > +               break;
>> > > >> > +       }
>> > > >> > +}
>> > > >> > +
>> > > >> > +static void alps_cal_output_finger_num_v7(struct psmouse *psmouse,
>> > > >> > +                                       struct alps_fields *f)
>> > > >> > +{
>> > > >> > +       struct alps_data *priv = psmouse->private;
>> > > >> > +       unsigned int fn = 0;
>> > > >> > +       int i;
>> > > >> > +
>> > > >> > +       switch (priv->r.v7.pkt_id) {
>> > > >> > +       case V7_PACKET_ID_IDLE:
>> > > >> > +       case V7_PACKET_ID_NEW:
>> > > >> > +               /*No finger is reported when packet ID is 'IDLE' or 'New'.
>> > > >> > +               An 'IDLE' packet indicates that there's no finger on touchpad.
>> > > >> > +               A 'NEW' packet indicates there's finger placed or lifted.
>> > > >> > +               Finger position of 'New' packet is not continues from the
>> > > >> > +               previous packet.*/
>> > > >> > +               fn = 0;
>> > > >> > +               break;
>> > > >> > +       case V7_PACKET_ID_TWO:
>> > > >> > +               if (f->pt_img[0].z == 0) {
>> > > >> > +                       /*The first finger slot is zero when a non-resting
>> > > >> > +                       finger lifted and remaining only one resting finger
>> > > >> > +                       on touchpad. Hardware report the remaining resting
>> > > >> > +                       finger in second slot. This resting is ignored*/
>> > > >> > +                       fn = 0;
>> > > >> > +               } else if (f->pt_img[1].z == 0) {
>> > > >> > +                       /* The second finger slot is zero if there's
>> > > >> > +                       only one finger*/
>> > > >> > +                       fn = 1;
>> > > >> > +               } else {
>> > > >> > +                       /*All non-resting fingers will be counted to report*/
>> > > >> > +                       fn = 0;
>> > > >> > +                       for (i = 0; i < V7_IMG_PT_NUM; i++) {
>> > > >> > +                               if (priv->pt_attr[i].is_counted)
>> > > >> > +                                       fn++;
>> > > >> > +                       }
>> > > >> > +
>> > > >> > +                       /*In the case that both fingers are
>> > > >> > +                       resting fingers, report the first one*/
>> > > >> > +                       if (!priv->pt_attr[0].is_counted &&
>> > > >> > +                           !priv->pt_attr[1].is_counted) {
>> > > >> > +                               fn = 1;
>> > > >> > +                       }
>> > > >> > +               }
>> > > >> > +               break;
>> > > >> > +       case V7_PACKET_ID_MULTI:
>> > > >> > +               /*A packet ID 'MULTI' indicats that at least 3 non-resting
>> > > >> > +               finger exist.*/
>> > > >> > +               fn = 3 + priv->r.v7.additional_fingers;
>> > > >> > +               break;
>> > > >> > +       }
>> > > >> > +
>> > > >> > +       f->fingers = fn;
>> > > >> > +}
>> > > >> > +
>> > > >> > +static void alps_assign_buttons_v7(struct psmouse *psmouse,
>> > > >> > +                                  struct alps_fields *f)
>> > > >> > +{
>> > > >> > +       struct alps_data *priv = psmouse->private;
>> > > >> > +
>> > > >> > +       if (priv->phy_btn) {
>> > > >> > +               if (!priv->prev_phy_btn) {
>> > > >> > +                       /* Report a right click as long as there's finger on
>> > > >> > +                       right button zone. Othrewise, report a left click.*/
>> > > >> > +                       if (priv->r.v7.rest_right ||
>> > > >> > +                           priv->pt_attr[0].zone & ZONE_RIGHT_BTN ||
>> > > >> > +                           priv->pt_attr[1].zone & ZONE_RIGHT_BTN) {
>> > > >> > +                               f->btn.right = 1;
>> > > >> > +                               priv->pressed_btn_bits |= RIGHT_BUTTON_BIT;
>> > > >> > +                       } else {
>> > > >> > +                               f->btn.left = 1;
>> > > >> > +                               priv->pressed_btn_bits |= LEFT_BUTTON_BIT;
>> > > >> > +                       }
>> > > >> > +               } else {
>> > > >> > +                       if (priv->pressed_btn_bits & RIGHT_BUTTON_BIT)
>> > > >> > +                               f->btn.right = 1;
>> > > >> > +                       if (priv->pressed_btn_bits & LEFT_BUTTON_BIT)
>> > > >> > +                               f->btn.left = 1;
>> > > >> > +               }
>> > > >> > +       } else {
>> > > >> > +               priv->pressed_btn_bits = 0;
>> > > >> > +               f->btn.right = 0;
>> > > >> > +               f->btn.left = 0;
>> > > >> > +       }
>> > > >> > +
>> > > >> > +       priv->prev_phy_btn = priv->phy_btn;
>> > > >> > +}
>> > > >> > +
>> > > >> > +static void alps_process_packet_v7(struct psmouse *psmouse)
>> > > >> > +{
>> > > >> > +       struct alps_data *priv = psmouse->private;
>> > > >> > +       struct alps_fields f = {0};
>> > > >> > +       unsigned char *packet = psmouse->packet;
>> > > >> > +
>> > > >> > +       priv->decode_fields(&f, packet, psmouse);
>> > > >> > +
>> > > >> > +       if (alps_drop_unsupported_packet_v7(psmouse))
>> > > >> > +               return;
>> > > >> > +
>> > > >> > +       alps_set_pt_attr_v7(psmouse, &f);
>> > > >> > +
>> > > >> > +       alps_cal_output_finger_num_v7(psmouse, &f);
>> > > >> > +
>> > > >> > +       alps_assign_buttons_v7(psmouse, &f);
>> > > >> > +
>> > > >> > +       alps_report_coord_and_btn(psmouse, &f);
>> > > >> > +}
>> > > >> > +
>> > > >> >  static void alps_report_bare_ps2_packet(struct psmouse *psmouse,
>> > > >> >                                         unsigned char packet[],
>> > > >> >                                         bool report_buttons)
>> > > >> > @@ -1080,6 +1420,14 @@ static psmouse_ret_t alps_process_byte(struct psmouse *psmouse)
>> > > >> >                 return PSMOUSE_BAD_DATA;
>> > > >> >         }
>> > > >> >
>> > > >> > +       if ((priv->proto_version == ALPS_PROTO_V7 &&
>> > > >> > +           !alps_is_valid_package_v7(psmouse))) {
>> > > >> > +               psmouse_dbg(psmouse, "refusing packet[%i] = %x\n",
>> > > >> > +                           psmouse->pktcnt - 1,
>> > > >> > +                           psmouse->packet[psmouse->pktcnt - 1]);
>> > > >> > +               return PSMOUSE_BAD_DATA;
>> > > >> > +       }
>> > > >> > +
>> > > >> >         if (psmouse->pktcnt == psmouse->pktsize) {
>> > > >> >                 priv->process_packet(psmouse);
>> > > >> >                 return PSMOUSE_FULL_PACKET;
>> > > >> > @@ -1192,6 +1540,22 @@ static int alps_rpt_cmd(struct psmouse *psmouse, int init_command,
>> > > >> >         return 0;
>> > > >> >  }
>> > > >> >
>> > > >> > +static int alps_check_valid_firmware_id(unsigned char id[])
>> > > >> > +{
>> > > >> > +       int valid = 1;
>> > > >> > +
>> > > >> > +       if (id[0] == 0x73)
>> > > >> > +               valid = 1;
>> > > >> > +       else if (id[0] == 0x88) {
>> > > >> > +               if ((id[1] == 0x07) ||
>> > > >> > +                   (id[1] == 0x08) ||
>> > > >> > +                   ((id[1] & 0xf0) == 0xB0))
>> > > >> > +                       valid = 1;
>> > > >> > +       }
>> > > >> > +
>> > > >> > +       return valid;
>> > > >> > +}
>> > > >> > +
>> > > >> >  static int alps_enter_command_mode(struct psmouse *psmouse)
>> > > >> >  {
>> > > >> >         unsigned char param[4];
>> > > >> > @@ -1201,8 +1565,7 @@ static int alps_enter_command_mode(struct psmouse *psmouse)
>> > > >> >                 return -1;
>> > > >> >         }
>> > > >> >
>> > > >> > -       if ((param[0] != 0x88 || (param[1] != 0x07 && param[1] != 0x08)) &&
>> > > >> > -           param[0] != 0x73) {
>> > > >> > +       if (!alps_check_valid_firmware_id(param)) {
>> > > >> >                 psmouse_dbg(psmouse,
>> > > >> >                             "unknown response while entering command mode\n");
>> > > >> >                 return -1;
>> > > >> > @@ -1704,6 +2067,32 @@ error:
>> > > >> >         return ret;
>> > > >> >  }
>> > > >> >
>> > > >> > +static int alps_hw_init_v7(struct psmouse *psmouse)
>> > > >> > +{
>> > > >> > +       struct ps2dev *ps2dev = &psmouse->ps2dev;
>> > > >> > +       int reg_val, ret = -1;
>> > > >> > +
>> > > >> > +       if (alps_enter_command_mode(psmouse) ||
>> > > >> > +           alps_command_mode_read_reg(psmouse, 0xc2d9) == -1)
>> > > >> > +               goto error;
>> > > >> > +
>> > > >> > +       if (alps_command_mode_write_reg(psmouse, 0xc2c9, 0x64))
>> > > >> > +               goto error;
>> > > >> > +
>> > > >> > +       reg_val = alps_command_mode_read_reg(psmouse, 0xc2c4);
>> > > >> > +       if (reg_val == -1)
>> > > >> > +               goto error;
>> > > >> > +       if (__alps_command_mode_write_reg(psmouse, reg_val | 0x02))
>> > > >> > +               goto error;
>> > > >> > +
>> > > >> > +       alps_exit_command_mode(psmouse);
>> > > >> > +       return ps2_command(ps2dev, NULL, PSMOUSE_CMD_ENABLE);
>> > > >> > +
>> > > >> > +error:
>> > > >> > +       alps_exit_command_mode(psmouse);
>> > > >> > +       return ret;
>> > > >> > +}
>> > > >> > +
>> > > >> >  /* Must be in command mode when calling this function */
>> > > >> >  static int alps_absolute_mode_v4(struct psmouse *psmouse)
>> > > >> >  {
>> > > >> > @@ -1875,6 +2264,7 @@ static void alps_set_defaults(struct alps_data *priv)
>> > > >> >                 priv->set_abs_params = alps_set_abs_params_st;
>> > > >> >                 priv->x_max = 1023;
>> > > >> >                 priv->y_max = 767;
>> > > >> > +               priv->slot_number = 1;
>> > > >> >                 break;
>> > > >> >         case ALPS_PROTO_V3:
>> > > >> >                 priv->hw_init = alps_hw_init_v3;
>> > > >> > @@ -1883,6 +2273,7 @@ static void alps_set_defaults(struct alps_data *priv)
>> > > >> >                 priv->decode_fields = alps_decode_pinnacle;
>> > > >> >                 priv->nibble_commands = alps_v3_nibble_commands;
>> > > >> >                 priv->addr_command = PSMOUSE_CMD_RESET_WRAP;
>> > > >> > +               priv->slot_number = 2;
>> > > >> >                 break;
>> > > >> >         case ALPS_PROTO_V4:
>> > > >> >                 priv->hw_init = alps_hw_init_v4;
>> > > >> > @@ -1890,6 +2281,7 @@ static void alps_set_defaults(struct alps_data *priv)
>> > > >> >                 priv->set_abs_params = alps_set_abs_params_mt;
>> > > >> >                 priv->nibble_commands = alps_v4_nibble_commands;
>> > > >> >                 priv->addr_command = PSMOUSE_CMD_DISABLE;
>> > > >> > +               priv->slot_number = 2;
>> > > >> >                 break;
>> > > >> >         case ALPS_PROTO_V5:
>> > > >> >                 priv->hw_init = alps_hw_init_dolphin_v1;
>> > > >> > @@ -1905,6 +2297,7 @@ static void alps_set_defaults(struct alps_data *priv)
>> > > >> >                 priv->y_max = 660;
>> > > >> >                 priv->x_bits = 23;
>> > > >> >                 priv->y_bits = 12;
>> > > >> > +               priv->slot_number = 2;
>> > > >> >                 break;
>> > > >> >         case ALPS_PROTO_V6:
>> > > >> >                 priv->hw_init = alps_hw_init_v6;
>> > > >> > @@ -1913,6 +2306,22 @@ static void alps_set_defaults(struct alps_data *priv)
>> > > >> >                 priv->nibble_commands = alps_v6_nibble_commands;
>> > > >> >                 priv->x_max = 2047;
>> > > >> >                 priv->y_max = 1535;
>> > > >> > +               priv->slot_number = 2;
>> > > >> > +               break;
>> > > >> > +       case ALPS_PROTO_V7:
>> > > >> > +               priv->hw_init = alps_hw_init_v7;
>> > > >> > +               priv->process_packet = alps_process_packet_v7;
>> > > >> > +               priv->decode_fields = alps_decode_packet_v7;
>> > > >> > +               priv->set_abs_params = alps_set_abs_params_mt;
>> > > >> > +               priv->nibble_commands = alps_v3_nibble_commands;
>> > > >> > +               priv->addr_command = PSMOUSE_CMD_RESET_WRAP;
>> > > >> > +               priv->x_max = 0xfff;
>> > > >> > +               priv->y_max = 0x7ff;
>> > > >> > +               priv->resting_zone_y_min = 0x654;
>> > > >> > +               priv->byte0 = 0x48;
>> > > >> > +               priv->mask0 = 0x48;
>> > > >> > +               priv->flags = 0;
>> > > >> > +               priv->slot_number = 2;
>> > > >> >                 break;
>> > > >> >         }
>> > > >> >  }
>> > > >> > @@ -1982,6 +2391,11 @@ static int alps_identify(struct psmouse *psmouse, struct alps_data *priv)
>> > > >> >                         return -EIO;
>> > > >> >                 else
>> > > >> >                         return 0;
>> > > >> > +       } else if (ec[0] == 0x88 && (ec[1] & 0xf0) == 0xB0) {
>> > > >> > +               priv->proto_version = ALPS_PROTO_V7;
>> > > >> > +               alps_set_defaults(priv);
>> > > >> > +
>> > > >> > +               return 0;
>> > > >> >         } else if (ec[0] == 0x88 && ec[1] == 0x08) {
>> > > >> >                 priv->proto_version = ALPS_PROTO_V3;
>> > > >> >                 alps_set_defaults(priv);
>> > > >> > @@ -2045,7 +2459,7 @@ static void alps_set_abs_params_mt(struct alps_data *priv,
>> > > >> >                                    struct input_dev *dev1)
>> > > >> >  {
>> > > >> >         set_bit(INPUT_PROP_SEMI_MT, dev1->propbit);
>> > > >> > -       input_mt_init_slots(dev1, 2, 0);
>> > > >> > +       input_mt_init_slots(dev1, priv->slot_number, 0);
>> > > >> >         input_set_abs_params(dev1, ABS_MT_POSITION_X, 0, priv->x_max, 0, 0);
>> > > >> >         input_set_abs_params(dev1, ABS_MT_POSITION_Y, 0, priv->y_max, 0, 0);
>> > > >> >
>> > > >> > diff --git a/drivers/input/mouse/alps.h b/drivers/input/mouse/alps.h
>> > > >> > index 03f88b6..5d2f9ea 100644
>> > > >> > --- a/drivers/input/mouse/alps.h
>> > > >> > +++ b/drivers/input/mouse/alps.h
>> > > >> > @@ -18,11 +18,36 @@
>> > > >> >  #define ALPS_PROTO_V4  4
>> > > >> >  #define ALPS_PROTO_V5  5
>> > > >> >  #define ALPS_PROTO_V6  6
>> > > >> > +#define ALPS_PROTO_V7  7
>> > > >> > +
>> > > >> > +#define MAX_IMG_PT_NUM         5
>> > > >> > +#define V7_IMG_PT_NUM          2
>> > > >> > +
>> > > >> > +#define ZONE_NORMAL                            0x01
>> > > >> > +#define ZONE_RESTING                   0x02
>> > > >> > +#define ZONE_LEFT_BTN                  0x04
>> > > >> > +#define ZONE_RIGHT_BTN                 0x08
>> > > >> >
>> > > >> >  #define DOLPHIN_COUNT_PER_ELECTRODE    64
>> > > >> >  #define DOLPHIN_PROFILE_XOFFSET                8       /* x-electrode offset */
>> > > >> >  #define DOLPHIN_PROFILE_YOFFSET                1       /* y-electrode offset */
>> > > >> >
>> > > >> > +/*
>> > > >> > + * enum V7_PACKET_ID - defines the packet type for V7
>> > > >> > + * V7_PACKET_ID_IDLE: There's no finger and no button activity.
>> > > >> > + * V7_PACKET_ID_TWO: There's one or two non-resting fingers on touchpad
>> > > >> > + *  or there's button activities.
>> > > >> > + * V7_PACKET_ID_MULTI: There are at least three non-resting fingers.
>> > > >> > + * V7_PACKET_ID_NEW: The finger position in slot is not continues from
>> > > >> > + *  previous packet.
>> > > >> > +*/
>> > > >> > +enum V7_PACKET_ID {
>> > > >> > +        V7_PACKET_ID_IDLE,
>> > > >> > +        V7_PACKET_ID_TWO,
>> > > >> > +        V7_PACKET_ID_MULTI,
>> > > >> > +        V7_PACKET_ID_NEW,
>> > > >> > +};
>> > > >> > +
>> > > >> >  /**
>> > > >> >   * struct alps_model_info - touchpad ID table
>> > > >> >   * @signature: E7 response string to match.
>> > > >> > @@ -66,15 +91,7 @@ struct alps_nibble_commands {
>> > > >> >  };
>> > > >> >
>> > > >> >  /**
>> > > >> > - * struct alps_fields - decoded version of the report packet
>> > > >> > - * @x_map: Bitmap of active X positions for MT.
>> > > >> > - * @y_map: Bitmap of active Y positions for MT.
>> > > >> > - * @fingers: Number of fingers for MT.
>> > > >> > - * @x: X position for ST.
>> > > >> > - * @y: Y position for ST.
>> > > >> > - * @z: Z position for ST.
>> > > >> > - * @first_mp: Packet is the first of a multi-packet report.
>> > > >> > - * @is_mp: Packet is part of a multi-packet report.
>> > > >> > + * struct alps_btn - decoded version of the button status
>> > > >> >   * @left: Left touchpad button is active.
>> > > >> >   * @right: Right touchpad button is active.
>> > > >> >   * @middle: Middle touchpad button is active.
>> > > >> > @@ -82,16 +99,7 @@ struct alps_nibble_commands {
>> > > >> >   * @ts_right: Right trackstick button is active.
>> > > >> >   * @ts_middle: Middle trackstick button is active.
>> > > >> >   */
>> > > >> > -struct alps_fields {
>> > > >> > -       unsigned int x_map;
>> > > >> > -       unsigned int y_map;
>> > > >> > -       unsigned int fingers;
>> > > >> > -       unsigned int x;
>> > > >> > -       unsigned int y;
>> > > >> > -       unsigned int z;
>> > > >> > -       unsigned int first_mp:1;
>> > > >> > -       unsigned int is_mp:1;
>> > > >> > -
>> > > >> > +struct alps_btn {
>> > > >> >         unsigned int left:1;
>> > > >> >         unsigned int right:1;
>> > > >> >         unsigned int middle:1;
>> > > >> > @@ -102,6 +110,69 @@ struct alps_fields {
>> > > >> >  };
>> > > >> >
>> > > >> >  /**
>> > > >> > + * struct alps_btn - decoded version of the X Y Z postion for ST.
>> > > >> > + * @x: X position for ST.
>> > > >> > + * @y: Y position for ST.
>> > > >> > + * @z: Z position for ST.
>> > > >> > + */
>> > > >> > +struct alps_abs_data {
>> > > >> > +       unsigned int x;
>> > > >> > +       unsigned int y;
>> > > >> > +       unsigned int z;
>> > > >> > +};
>> > > >> > +
>> > > >> > +/**
>> > > >> > + * struct alps_fields - decoded version of the report packet
>> > > >> > + * @fingers: Number of fingers for MT.
>> > > >> > + * @pt: X Y Z postion for ST.
>> > > >> > + * @pt: X Y Z postion for image MT.
>> > > >> > + * @x_map: Bitmap of active X positions for MT.
>> > > >> > + * @y_map: Bitmap of active Y positions for MT.
>> > > >> > + * @first_mp: Packet is the first of a multi-packet report.
>> > > >> > + * @is_mp: Packet is part of a multi-packet report.
>> > > >> > + * @btn: Button activity status
>> > > >> > + */
>> > > >> > +struct alps_fields {
>> > > >> > +       unsigned int fingers;
>> > > >> > +       struct alps_abs_data pt;
>> > > >> > +       struct alps_abs_data pt_img[MAX_IMG_PT_NUM];
>> > > >> > +       unsigned int x_map;
>> > > >> > +       unsigned int y_map;
>> > > >> > +       unsigned int first_mp:1;
>> > > >> > +       unsigned int is_mp:1;
>> > > >> > +       struct alps_btn btn;
>> > > >> > +};
>> > > >> > +
>> > > >> > +/**
>> > > >> > + * struct v7_raw - data decoded from raw packet for V7.
>> > > >> > + * @pkt_id: An id that specifies the type of packet.
>> > > >> > + * @additional_fingers: Number of additional finger that is neighter included
>> > > >> > + *  in pt slot nor reflected in rest_left and rest_right flag of data packet.
>> > > >> > + * @rest_left: There are fingers on left resting zone.
>> > > >> > + * @rest_right: There are fingers on right resting zone.
>> > > >> > + */
>> > > >> > +struct v7_raw {
>> > > >> > +       unsigned char pkt_id;
>> > > >> > +       unsigned int additional_fingers;
>> > > >> > +       unsigned char rest_left;
>> > > >> > +       unsigned char rest_right;
>> > > >> > +};
>> > > >> > +
>> > > >> > +/**
>> > > >> > + * struct alps_bl_pt_attr - generic attributes of touch points for buttonless device
>> > > >> > + * @zone: The part of touchpad that the touch point locates
>> > > >> > + * @is_counted: The touch point is not a resting finger.
>> > > >> > + * @is_init_pt_got: The touch down point is got.
>> > > >> > + * @init_pt: The X Y Z position of the touch down point.
>> > > >> > + */
>> > > >> > +struct alps_bl_pt_attr {
>> > > >> > +       unsigned char zone;
>> > > >> > +       unsigned char is_counted;
>> > > >> > +       unsigned char is_init_pt_got;
>> > > >> > +       struct alps_abs_data init_pt;
>> > > >> > +};
>> > > >> > +
>> > > >> > +/**
>> > > >> >   * struct alps_data - private data structure for the ALPS driver
>> > > >> >   * @dev2: "Relative" device used to report trackstick or mouse activity.
>> > > >> >   * @phys: Physical path for the relative device.
>> > > >> > @@ -116,8 +187,10 @@ struct alps_fields {
>> > > >> >   * @flags: Additional device capabilities (passthrough port, trackstick, etc.).
>> > > >> >   * @x_max: Largest possible X position value.
>> > > >> >   * @y_max: Largest possible Y position value.
>> > > >> > + * @resting_zone_y_min: Smallest Y postion value of the bottom resting zone.
>> > > >> >   * @x_bits: Number of X bits in the MT bitmap.
>> > > >> >   * @y_bits: Number of Y bits in the MT bitmap.
>> > > >> > + * @img_fingers: Number of image fingers.
>> > > >> >   * @hw_init: Protocol-specific hardware init function.
>> > > >> >   * @process_packet: Protocol-specific function to process a report packet.
>> > > >> >   * @decode_fields: Protocol-specific function to read packet bitfields.
>> > > >> > @@ -132,6 +205,11 @@ struct alps_fields {
>> > > >> >   * @fingers: Number of fingers from last MT report.
>> > > >> >   * @quirks: Bitmap of ALPS_QUIRK_*.
>> > > >> >   * @timer: Timer for flushing out the final report packet in the stream.
>> > > >> > + * @v7: Data decoded from raw packet for V7
>> > > >> > + * @phy_btn: Physical button is active.
>> > > >> > + * @prev_phy_btn: Physical button of previous packet is active.
>> > > >> > + * @pressed_btn_bits: Pressed positon of button zone
>> > > >> > + * @pt_attr: Generic attributes of touch points for buttonless device.
>> > > >> >   */
>> > > >> >  struct alps_data {
>> > > >> >         struct input_dev *dev2;
>> > > >> > @@ -145,8 +223,10 @@ struct alps_data {
>> > > >> >         unsigned char flags;
>> > > >> >         int x_max;
>> > > >> >         int y_max;
>> > > >> > +       int resting_zone_y_min;
>> > > >> >         int x_bits;
>> > > >> >         int y_bits;
>> > > >> > +       unsigned char slot_number;
>> > > >> >
>> > > >> >         int (*hw_init)(struct psmouse *psmouse);
>> > > >> >         void (*process_packet)(struct psmouse *psmouse);
>> > > >> > @@ -161,6 +241,15 @@ struct alps_data {
>> > > >> >         int fingers;
>> > > >> >         u8 quirks;
>> > > >> >         struct timer_list timer;
>> > > >> > +
>> > > >> > +       /* these are used for buttonless touchpad*/
>> > > >> > +       union {
>> > > >> > +               struct v7_raw v7;
>> > > >> > +       } r;
>> > > >> > +       unsigned char phy_btn;
>> > > >> > +       unsigned char prev_phy_btn;
>> > > >> > +       unsigned char pressed_btn_bits;
>> > > >> > +       struct alps_bl_pt_attr pt_attr[MAX_IMG_PT_NUM];
>> > > >> >  };
>> > > >> >
>> > > >> >  #define ALPS_QUIRK_TRACKSTICK_BUTTONS  1 /* trakcstick buttons in trackstick packet */
>> > > >> > --
>> > > >> > 1.8.3.2
>> > > >> >
>> > > >> --
>> > > >> To unsubscribe from this list: send the line "unsubscribe linux-input" in
>> > > >> the body of a message to majordomo@xxxxxxxxxxxxxxx
>> > > >> More majordomo info at  http://vger.kernel.org/majordomo-info.html
>> > > >>
>> > >
>> >
>>
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