ALSA: pcm: add SNDRV_PCM_FORMAT_{S,U}20
authorMaciej S. Szmigiero <mail@maciej.szmigiero.name>
Mon, 27 Nov 2017 22:33:29 +0000 (23:33 +0100)
committerTakashi Iwai <tiwai@suse.de>
Wed, 29 Nov 2017 08:26:33 +0000 (09:26 +0100)
commit823dbb6eb08a2865bcd236b4f52b1b9de216418a
treed69e75cd0c93df992d74b134547c22cc2e4692d4
parent4fbd8d194f06c8a3fd2af1ce560ddb31f7ec8323
ALSA: pcm: add SNDRV_PCM_FORMAT_{S,U}20

This format is similar to existing SNDRV_PCM_FORMAT_{S,U}20_3 that keep
20-bit PCM samples in 3 bytes, however i.MX6 platform SSI FIFO does not
allow 3-byte accesses (including DMA) so a 4-byte (more conventional)
format is needed for it.

Signed-off-by: Maciej S. Szmigiero <mail@maciej.szmigiero.name>
Reviewed-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
include/sound/pcm.h
include/sound/soc-dai.h
include/uapi/sound/asound.h
sound/core/pcm_misc.c