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Commit eafed6ac authored by Arun Mirpuri's avatar Arun Mirpuri Committed by Gerrit - the friendly Code Review server
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asoc: Add support for soft volume for mmap playback 



Send command for soft volume config during pcm prepare of mmap
no irq stream

Change-Id: Iacd4c95633d53ccfe78e8abb11baeedd8b854f26
Signed-off-by: default avatarArun Mirpuri <amirpuri@codeaurora.org>
parent 89924096

asoc/msm-pcm-q6-noirq.c

+14 −1
Original line number 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)

{

	int rc = 0;

	struct snd_pcm_runtime *runtime = substream->runtime;

	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)

		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)