ASoC: msm: Add PCM support in compress driver
PCM playback support is added to compress driver so that application
can use the single audio hardware device to play both compressed
and PCM audio.
Change-Id: Ie7719be8d7435088a7e4cfb5b817d4557e25e4c5
Signed-off-by: Dhananjay Kumar <dhakumar@codeaurora.org>
diff --git a/sound/soc/msm/qdsp6v2/msm-compress-q6-v2.c b/sound/soc/msm/qdsp6v2/msm-compress-q6-v2.c
index 41ef3e3..c04756f 100644
--- a/sound/soc/msm/qdsp6v2/msm-compress-q6-v2.c
+++ b/sound/soc/msm/qdsp6v2/msm-compress-q6-v2.c
@@ -472,11 +472,12 @@
COMPR_PLAYBACK_MIN_NUM_FRAGMENTS;
prtd->compr_cap.max_fragments =
COMPR_PLAYBACK_MAX_NUM_FRAGMENTS;
- prtd->compr_cap.num_codecs = 4;
+ prtd->compr_cap.num_codecs = 5;
prtd->compr_cap.codecs[0] = SND_AUDIOCODEC_MP3;
prtd->compr_cap.codecs[1] = SND_AUDIOCODEC_AAC;
prtd->compr_cap.codecs[2] = SND_AUDIOCODEC_AC3;
prtd->compr_cap.codecs[3] = SND_AUDIOCODEC_EAC3;
+ prtd->compr_cap.codecs[4] = SND_AUDIOCODEC_PCM;
}
static int msm_compr_send_media_format_block(struct snd_compr_stream *cstream,
@@ -486,8 +487,22 @@
struct msm_compr_audio *prtd = runtime->private_data;
struct asm_aac_cfg aac_cfg;
int ret = 0;
+ uint16_t bit_width = 16;
switch (prtd->codec) {
+ case FORMAT_LINEAR_PCM:
+ pr_debug("SND_AUDIOCODEC_PCM\n");
+ if (prtd->codec_param.codec.format == SNDRV_PCM_FORMAT_S24_LE)
+ bit_width = 24;
+ ret = q6asm_media_format_block_pcm_format_support(
+ prtd->audio_client,
+ prtd->sample_rate,
+ prtd->num_channels,
+ bit_width);
+ if (ret < 0)
+ pr_err("%s: CMD Format block failed\n", __func__);
+
+ break;
case FORMAT_MP3:
/* no media format block needed */
break;
@@ -826,6 +841,12 @@
pr_debug("%s: sample_rate %d\n", __func__, prtd->sample_rate);
switch (params->codec.id) {
+ case SND_AUDIOCODEC_PCM: {
+ pr_debug("SND_AUDIOCODEC_PCM\n");
+ prtd->codec = FORMAT_LINEAR_PCM;
+ break;
+ }
+
case SND_AUDIOCODEC_MP3: {
pr_debug("SND_AUDIOCODEC_MP3\n");
prtd->codec = FORMAT_MP3;