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ASoC: msm: Implementing Tx mute in ASM loopback

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Adding TX Mute functionality in ASM Loopback.
ASM loopback in the TX session uses Multimedia6,
applying mute/ummute asm commands on Multimedia6.

CRs-Fixed: 995988
Change-Id: I4caa5964f4fc774e33d9666f89b896f15e160943
Signed-off-by: Surendar karka <sukark@codeaurora.org>
This commit is contained in:
Surendar karka 2016-05-02 20:46:21 +05:30 • committed by Gerrit - the friendly Code Review server
parent 1f1574bb18
commit e99fd10322
1 changed files with 42 additions and 0 deletions
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42
sound/soc/msm/qdsp6v2/msm-pcm-loopback-v2.c
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@ -109,6 +109,47 @@ static void msm_pcm_loopback_event_handler(uint32_t opcode, uint32_t token,
} }
} }
static int msm_loopback_session_mute_put(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
int ret = 0, n = 0;
int mute = ucontrol->value.integer.value[0];
struct msm_pcm_loopback *pcm = NULL;
if ((mute < 0) || (mute > 1)) {
pr_err(" %s Invalid arguments", __func__);
ret = -EINVAL;
goto done;
}
pr_debug("%s: mute=%d\n", __func__, mute);
for (n = 0; n < LOOPBACK_SESSION_MAX; n++) {
if (!strcmp(session_map[n].stream_name, "MultiMedia6"))
pcm = session_map[n].loopback_priv;
}
if (pcm && pcm->audio_client) {
ret = q6asm_set_mute(pcm->audio_client, mute);
if (ret < 0)
pr_err("%s: Send mute command failed rc=%d\n",
__func__, ret);
}
done:
return ret;
}
static struct snd_kcontrol_new msm_loopback_controls[] = {
SOC_SINGLE_EXT("HFP TX Mute", SND_SOC_NOPM, 0, 1, 0,
NULL, msm_loopback_session_mute_put),
};
static int msm_pcm_loopback_probe(struct snd_soc_platform *platform)
{
snd_soc_add_platform_controls(platform, msm_loopback_controls,
ARRAY_SIZE(msm_loopback_controls));
return 0;
}
static int pcm_loopback_set_volume(struct msm_pcm_loopback *prtd, int volume) static int pcm_loopback_set_volume(struct msm_pcm_loopback *prtd, int volume)
{ {
int rc = -EINVAL; int rc = -EINVAL;
@ -462,6 +503,7 @@ static int msm_asoc_pcm_new(struct snd_soc_pcm_runtime *rtd)
static struct snd_soc_platform_driver msm_soc_platform = { static struct snd_soc_platform_driver msm_soc_platform = {
.ops = &msm_pcm_ops, .ops = &msm_pcm_ops,
.pcm_new = msm_asoc_pcm_new, .pcm_new = msm_asoc_pcm_new,
.probe = msm_pcm_loopback_probe,
}; };
static int msm_pcm_probe(struct platform_device *pdev) static int msm_pcm_probe(struct platform_device *pdev)