From: Takashi Iwai Date: Sun, 2 Sep 2018 08:22:37 +0000 (+0200) Subject: ALSA: mips: Use SNDRV_PCM_INFO_SYNC_APPLPTR info flag X-Git-Tag: v5.4-rc1~2272^2~76^2~3 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=dc0d1c4519095a6c6bbd9ec4a808674aba502741;p=platform%2Fkernel%2Flinux-rpi.git ALSA: mips: Use SNDRV_PCM_INFO_SYNC_APPLPTR info flag 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. Reviewed-by: Takashi Sakamoto Signed-off-by: Takashi Iwai --- diff --git a/sound/mips/hal2.c b/sound/mips/hal2.c index c8904e7..2bd1cb7 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: