Re: [RFC] Addition of sysfs file for PCM

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Takashi Iwai <tiwai@xxxxxxx> writes:

> Hi,
> 
> I've discussed with HAL guys about the current problem of sound
> configuration over HAL.  One issue is that both audio and modem PCM
> devices appear on the same card (e.g. HD-audio), and can't be
> distinguished from the device name itself.
> 
> For solving this, I made a patch to add a sysfs file in
> /sys/class/sound/pcm* directories indicating the PCM device class.

I'd suggest discussing this with Greg Kroah-Hartman.
 
> If anyone has better idea or implementation, let me know.
> 
> Another qustion regarding this is whether we push it to the public
> HG repo right now, or wait until 1.0.12-final is released.
> As usual, I have no idea when we reach 1.0.12-final, hence I prefer
> pushing it as soon as possible, but this would bring of course a
> possibility of regression (especially for building with the older
> kernels).

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