Merge "asoc: Add support for soft volume for mmap playback" (25a4898d) · Commits · e / devices / android_kernel_fairphone_FP5

asoc/msm-pcm-q6-noirq.c

+14 −1

Original line number	Original line	Diff line number	Diff line
	@@ -600,13 +600,26 @@ static int msm_pcm_mmap(struct snd_pcm_substream *substream,

	static int msm_pcm_prepare(struct snd_pcm_substream *substream)		static int msm_pcm_prepare(struct snd_pcm_substream *substream)
	{		{
			int rc = 0;
	struct snd_pcm_runtime *runtime = substream->runtime;		struct snd_pcm_runtime *runtime = substream->runtime;
	struct msm_audio *prtd = runtime->private_data;		struct msm_audio *prtd = runtime->private_data;
			struct asm_softvolume_params softvol = {
			.period = SOFT_VOLUME_PERIOD,
			.step = SOFT_VOLUME_STEP,
			.rampingcurve = SOFT_VOLUME_CURVE_LINEAR,
			};

	if (!prtd \|\| !prtd->mmap_flag)		if (!prtd \|\| !prtd->mmap_flag)
	return -EIO;		return -EIO;

	return 0;		if (prtd->audio_client) {
			rc = q6asm_set_softvolume_v2(prtd->audio_client,
			&softvol, SOFT_VOLUME_INSTANCE_1);
			if (rc < 0)
			pr_err("%s: Send SoftVolume command failed rc=%d\n",
			__func__, rc);
			}
			return rc;
	}		}

	static int msm_pcm_close(struct snd_pcm_substream *substream)		static int msm_pcm_close(struct snd_pcm_substream *substream)