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Commit e99fd103 authored by Surendar karka's avatar Surendar karka Committed by Gerrit - the friendly Code Review server
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ASoC: msm: Implementing Tx mute in ASM loopback 



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: default avatarSurendar karka <sukark@codeaurora.org>
parent 1f1574bb

sound/soc/msm/qdsp6v2/msm-pcm-loopback-v2.c

+42 −0
Original line number Diff line number Diff line
@@ -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)

{

	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 = {

	.ops            = &msm_pcm_ops,

	.pcm_new        = msm_asoc_pcm_new,

	.probe          = msm_pcm_loopback_probe,

};



static int msm_pcm_probe(struct platform_device *pdev)