Merge "ASoC: msm: Implementing Tx mute in ASM loopback" (7e2261a2) · Commits · e / devices / android_kernel_sony_msm8998

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)