Re: [PATCH] udev: Allow ALSA input jacks to be accessed by the current user

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]


At Thu, 16 Jun 2011 16:28:08 +0200,
Kay Sievers wrote:
> 
> On Thu, Jun 16, 2011 at 16:12, David Henningsson
> <david.henningsson@xxxxxxxxxxxxx> wrote:
> > One missing piece for userspace (PulseAudio etc) to actually be able to use
> > the jack input devices that ALSA create, is that these devices are
> > accessible by root only. This patch makes the input device nodes accessible
> > by the same users that can access the sound card: the current logged in
> > user, as well as users in the audio group.
> >
> > One thing I was thinking about, was that the udev-acl rule actually grants
> > read-write access to the input device node, where probably only read access
> > is needed. Is this dangerous?
> 
> Takashi, wasn't there already something else to use from ALSA than the
> artificial input devices?

These input devices are just notification from the sound driver at
jack plugging, so basically it's read-only indeed, and setting the
file permission RO would make sense.

I can't judge more since I haven't seen the patch.


thanks,

Takashi
--
To unsubscribe from this list: send the line "unsubscribe linux-hotplug" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html


[Linux DVB]     [Video Technology]     [Asterisk]     [Photo]     [DCCP]     [Netdev]     [Xorg]     [Util Linux NG]     [Xfree86]     [Devices]     [Fedora Women]     [ALSA Devel]     [Linux USB]

Add to Google Powered by Linux