diff options
| author | Takashi Iwai <tiwai@suse.de> | 2018-09-04 17:58:55 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-09-10 11:15:00 +0200 |
| commit | bec95770a0ece26890d3aa580da979a3b6b78ff0 (patch) | |
| tree | d5831f1cdd08a1f1a9235dde830d76b746b06081 | |
| parent | fb16a3835107c469433a71341d198c298449ff4d (diff) | |
| download | linux-bec95770a0ece26890d3aa580da979a3b6b78ff0.tar.bz2 | |
staging: bcm2835-audio: Set SNDRV_PCM_INFO_SYNC_APPLPTR
The recent ALSA PCM core supports the SNDRV_PCM_INFO_SYNC_APPLPTR flag
indicating that the driver needs the ack call at each appl_ptr
update. This is requirement for the indirect PCM implementations like
bcm2835-audio driver, too.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Tested-by: Stefan Wahren <stefan.wahren@i2se.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/staging/vc04_services/bcm2835-audio/bcm2835-pcm.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/staging/vc04_services/bcm2835-audio/bcm2835-pcm.c b/drivers/staging/vc04_services/bcm2835-audio/bcm2835-pcm.c index 8b8e286587cb..5ddb8ee93cb2 100644 --- a/drivers/staging/vc04_services/bcm2835-audio/bcm2835-pcm.c +++ b/drivers/staging/vc04_services/bcm2835-audio/bcm2835-pcm.c @@ -12,7 +12,7 @@ static const struct snd_pcm_hardware snd_bcm2835_playback_hw = { .info = (SNDRV_PCM_INFO_INTERLEAVED | SNDRV_PCM_INFO_BLOCK_TRANSFER | SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_MMAP_VALID | - SNDRV_PCM_INFO_DRAIN_TRIGGER), + SNDRV_PCM_INFO_DRAIN_TRIGGER | SNDRV_PCM_INFO_SYNC_APPLPTR), .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE, .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000, .rate_min = 8000, @@ -29,7 +29,7 @@ static const struct snd_pcm_hardware snd_bcm2835_playback_hw = { static const struct snd_pcm_hardware snd_bcm2835_playback_spdif_hw = { .info = (SNDRV_PCM_INFO_INTERLEAVED | SNDRV_PCM_INFO_BLOCK_TRANSFER | SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_MMAP_VALID | - SNDRV_PCM_INFO_DRAIN_TRIGGER), + SNDRV_PCM_INFO_DRAIN_TRIGGER | SNDRV_PCM_INFO_SYNC_APPLPTR), .formats = SNDRV_PCM_FMTBIT_S16_LE, .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000, |