[alsa-devel] [PATCH 1/5] allow up to 32 PCM devices

Jaroslav Kysela perex at perex.cz
Wed May 12 09:29:57 CEST 2010

On Wed, 12 May 2010, Wu Fengguang wrote:

> Reserve 32 minor numbers for PCM playback devices.
> The Intel SandyBridge HDMI audio codec provides 3 PCM devices with
> indices 3, 7, 8. Among which the device 8's minor number will be
> overlapped with the first capture device's minor number in the current
> static minor number allocation scheme.
> Also increase SNDRV_PCM_DEVICES to make pcm_dev_bits big enough to hold
> the increasing number of PCM devices.

I don't agree to have only 4 slots for soundcards in the static minor 
numbering. Maybe the driver should be converted to use subdevices or we 
might drop the static minor number allocation at all (it might have only 
impact for old distros).


Jaroslav Kysela <perex at perex.cz>
Linux Kernel Sound Maintainer
ALSA Project, Red Hat, Inc.

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