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ALSA: core: add support for compressed devices

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Use the minor numbers 2 and 3 for audio compressed offload devices.
Also add support for these devices in core

Signed-off-by: Omair Mohammed Abdullah <omair.m.abdullah@intel.com>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Vinod Koul <vinod.koul@linux.intel.com>
Reviewed-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Omair Mohammed Abdullah
2011-12-23 10:36:36 +05:30
committed by Takashi Iwai
parent 57bd9b8ddd
commit 3eafc959b3
3 changed files with 5 additions and 1 deletions
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sound/core/sound.c
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@@ -229,6 +229,7 @@ static int snd_kernel_minor(int type, struct snd_card *card, int dev)
case SNDRV_DEVICE_TYPE_RAWMIDI:
case SNDRV_DEVICE_TYPE_PCM_PLAYBACK:
case SNDRV_DEVICE_TYPE_PCM_CAPTURE:
case SNDRV_DEVICE_TYPE_COMPRESS:
if (snd_BUG_ON(!card))
return -EINVAL;
minor = SNDRV_MINOR(card->number, type + dev);