The recently introduced PCM info flag assures the call of ack ops at each applptr change, and this is mandatory for the indirect PCM helpers.
Also, with the proper ack callback, we need no longer prefill at trigger start. The relevant code can be killed.
Signed-off-by: Takashi Iwai tiwai@suse.de --- sound/mips/hal2.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/sound/mips/hal2.c b/sound/mips/hal2.c index c8904e732aaa..2bd1cb7489ff 100644 --- a/sound/mips/hal2.c +++ b/sound/mips/hal2.c @@ -500,7 +500,8 @@ static const struct snd_pcm_hardware hal2_pcm_hw = { .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_INTERLEAVED | - SNDRV_PCM_INFO_BLOCK_TRANSFER), + SNDRV_PCM_INFO_BLOCK_TRANSFER | + SNDRV_PCM_INFO_SYNC_APPLPTR), .formats = SNDRV_PCM_FMTBIT_S16_BE, .rates = SNDRV_PCM_RATE_8000_48000, .rate_min = 8000, @@ -577,7 +578,6 @@ static int hal2_playback_trigger(struct snd_pcm_substream *substream, int cmd) case SNDRV_PCM_TRIGGER_START: hal2->dac.pcm_indirect.hw_io = hal2->dac.buffer_dma; hal2->dac.pcm_indirect.hw_data = 0; - substream->ops->ack(substream); hal2_start_dac(hal2); break; case SNDRV_PCM_TRIGGER_STOP: