Re: [PATCH v4 09/12] msi-wmi: Use enums for scancodes

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On Sat, 15 Dec 2012 19:31:33 +0200, Maxim Mikityanskiy <maxtram95@xxxxxxxxx> wrote :

> Use enums for consecutive scancodes, rename key names from MSI_WMI_* to
> MSI_KEY_* and use tabs for whitespace in msi_wmi_keymap.
> 
> Signed-off-by: Maxim Mikityanskiy <maxtram95@xxxxxxxxx>
> Acked-by: Lee, Chun-Yi <jlee@xxxxxxxx>
Acked-by: Anisse Astier <anisse@xxxxxxxxx>

> ---
>  drivers/platform/x86/msi-wmi.c | 34 ++++++++++++++++++----------------
>  1 file changed, 18 insertions(+), 16 deletions(-)
> 
> diff --git a/drivers/platform/x86/msi-wmi.c b/drivers/platform/x86/msi-wmi.c
> index 4db0c55..112ec14 100644
> --- a/drivers/platform/x86/msi-wmi.c
> +++ b/drivers/platform/x86/msi-wmi.c
> @@ -42,19 +42,21 @@ MODULE_LICENSE("GPL");
>  MODULE_ALIAS("wmi:" MSIWMI_BIOS_GUID);
>  MODULE_ALIAS("wmi:" MSIWMI_EVENT_GUID);
>  
> -#define SCANCODE_BASE 0xD0
> -#define MSI_WMI_BRIGHTNESSUP   SCANCODE_BASE
> -#define MSI_WMI_BRIGHTNESSDOWN (SCANCODE_BASE + 1)
> -#define MSI_WMI_VOLUMEUP       (SCANCODE_BASE + 2)
> -#define MSI_WMI_VOLUMEDOWN     (SCANCODE_BASE + 3)
> -#define MSI_WMI_MUTE           (SCANCODE_BASE + 4)
> +enum msi_scancodes {
> +	MSI_SCANCODE_BASE	= 0xD0,
> +	MSI_KEY_BRIGHTNESSUP	= MSI_SCANCODE_BASE,
> +	MSI_KEY_BRIGHTNESSDOWN,
> +	MSI_KEY_VOLUMEUP,
> +	MSI_KEY_VOLUMEDOWN,
> +	MSI_KEY_MUTE,
> +};
>  static struct key_entry msi_wmi_keymap[] = {
> -	{ KE_KEY, MSI_WMI_BRIGHTNESSUP,   {KEY_BRIGHTNESSUP} },
> -	{ KE_KEY, MSI_WMI_BRIGHTNESSDOWN, {KEY_BRIGHTNESSDOWN} },
> -	{ KE_KEY, MSI_WMI_VOLUMEUP,       {KEY_VOLUMEUP} },
> -	{ KE_KEY, MSI_WMI_VOLUMEDOWN,     {KEY_VOLUMEDOWN} },
> -	{ KE_KEY, MSI_WMI_MUTE,           {KEY_MUTE} },
> -	{ KE_END, 0}
> +	{ KE_KEY, MSI_KEY_BRIGHTNESSUP,		{KEY_BRIGHTNESSUP} },
> +	{ KE_KEY, MSI_KEY_BRIGHTNESSDOWN,	{KEY_BRIGHTNESSDOWN} },
> +	{ KE_KEY, MSI_KEY_VOLUMEUP,		{KEY_VOLUMEUP} },
> +	{ KE_KEY, MSI_KEY_VOLUMEDOWN,		{KEY_VOLUMEDOWN} },
> +	{ KE_KEY, MSI_KEY_MUTE,			{KEY_MUTE} },
> +	{ KE_END, 0 }
>  };
>  static ktime_t last_pressed[ARRAY_SIZE(msi_wmi_keymap) - 1];
>  
> @@ -169,7 +171,7 @@ static void msi_wmi_notify(u32 value, void *context)
>  			ktime_t diff;
>  			cur = ktime_get_real();
>  			diff = ktime_sub(cur, last_pressed[key->code -
> -					SCANCODE_BASE]);
> +					MSI_SCANCODE_BASE]);
>  			/* Ignore event if the same event happened in a 50 ms
>  			   timeframe -> Key press may result in 10-20 GPEs */
>  			if (ktime_to_us(diff) < 1000 * 50) {
> @@ -178,13 +180,13 @@ static void msi_wmi_notify(u32 value, void *context)
>  					 key->code, ktime_to_us(diff));
>  				goto msi_wmi_notify_exit;
>  			}
> -			last_pressed[key->code - SCANCODE_BASE] = cur;
> +			last_pressed[key->code - MSI_SCANCODE_BASE] = cur;
>  
>  			if (key->type == KE_KEY &&
>  			/* Brightness is served via acpi video driver */
>  			(!acpi_video_backlight_support() ||
> -			(key->code != MSI_WMI_BRIGHTNESSUP &&
> -			key->code != MSI_WMI_BRIGHTNESSDOWN))) {
> +			(key->code != MSI_KEY_BRIGHTNESSUP &&
> +			key->code != MSI_KEY_BRIGHTNESSDOWN))) {
>  				pr_debug("Send key: 0x%X - "
>  					 "Input layer keycode: %d\n",
>  					 key->code, key->keycode);
--
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