diff options
| -rw-r--r-- | sound/soc/msm/qdsp6v2/msm-pcm-q6-noirq.c | 26 |
1 files changed, 25 insertions, 1 deletions
diff --git a/sound/soc/msm/qdsp6v2/msm-pcm-q6-noirq.c b/sound/soc/msm/qdsp6v2/msm-pcm-q6-noirq.c index 972cacb50f47..1fdb878a1a1f 100644 --- a/sound/soc/msm/qdsp6v2/msm-pcm-q6-noirq.c +++ b/sound/soc/msm/qdsp6v2/msm-pcm-q6-noirq.c @@ -395,6 +395,30 @@ static int msm_pcm_trigger(struct snd_pcm_substream *substream, int cmd) return ret; } +static int msm_pcm_ioctl(struct snd_pcm_substream *substream, + unsigned int cmd, void *arg) +{ + struct snd_pcm_runtime *runtime = substream->runtime; + struct msm_audio *prtd = runtime->private_data; + int dir = (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) ? 0 : 1; + struct audio_buffer *buf; + + switch (cmd) { + case SNDRV_PCM_IOCTL1_RESET: + pr_debug("%s: %s SNDRV_PCM_IOCTL1_RESET\n", __func__, + dir == 0 ? "P" : "C"); + buf = q6asm_shared_io_buf(prtd->audio_client, dir); + + if (buf && buf->data) + memset(buf->data, 0, buf->actual_size); + break; + default: + break; + } + + return snd_pcm_lib_ioctl(substream, cmd, arg); +} + static snd_pcm_uframes_t msm_pcm_pointer(struct snd_pcm_substream *substream) { struct snd_pcm_runtime *runtime = substream->runtime; @@ -728,7 +752,7 @@ static struct snd_pcm_ops msm_pcm_ops = { .prepare = msm_pcm_prepare, .copy = msm_pcm_copy, .hw_params = msm_pcm_hw_params, - .ioctl = snd_pcm_lib_ioctl, + .ioctl = msm_pcm_ioctl, .trigger = msm_pcm_trigger, .pointer = msm_pcm_pointer, .mmap = msm_pcm_mmap, |