Re: [PATCH v4 1/2] ALSA: pcm: add SNDRV_PCM_FORMAT_{S,U}20

2017-11-29 Thread Takashi Iwai
On Mon, 27 Nov 2017 23:33:29 +0100, Maciej S. Szmigiero wrote: > > 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

[PATCH v4 1/2] ALSA: pcm: add SNDRV_PCM_FORMAT_{S,U}20

2017-11-27 Thread Maciej S. Szmigiero
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 --- Changes from v1: Dr