tree 8e7429e9c5b4abd80a0a097e4ef0e2804cd17510
parent 04d426a039691bf114997a8af877682fdffcebd7
author Takashi Sakamoto <o-takashi@sakamocchi.jp> 1417190358 +0900
committer Takashi Iwai <tiwai@suse.de> 1417288626 +0100

ALSA: dice: Add new functions for constraints of PCM parameters

This commit adds a new functions and some arrangement for PCM restriction.
This arrangement is due to the number of channels which each Dice device has.

I note that minimum number for period becomes 2, instead of 1 because its PCM
functionality has SNDRV_PCM_INFO_BATCH, this means that the driver uses double
(or more) buffering so the minimum number for period should be 2.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>