Commit 84e6857d authored Sep 09, 2014 by Anish Kumar Committed by Jeevan Shriram May 18, 2016

ASoC: pcm: Add support for fixup callback



Fixup callback is added for dais which
do not follow the FE and BE convention
and is directly controlled by userspace
such as hostless dais. This will restrict
the hw_params based on what is supported by
hardware rather than blindly setting what
is given by userspace.

Change-Id: I401c70ab5de1df10363ec808cb68f72d8d74af96
Signed-off-by: Anish Kumar <kanish@codeaurora.org>
Signed-off-by: Sudheer Papothi <spapothi@codeaurora.org>

parent 90c59a8a

sound/soc/soc-pcm.c

+10 −0

Original line number	Diff line number	Diff line
		@@ -887,6 +887,16 @@ static int soc_pcm_hw_params(struct snd_pcm_substream *substream,

		mutex_lock_nested(&rtd->pcm_mutex, rtd->pcm_subclass);

		/* perform any hw_params fixups */
		if ((rtd->dai_link->no_host_mode == SND_SOC_DAI_LINK_NO_HOST) &&
		rtd->dai_link->be_hw_params_fixup) {
		ret = rtd->dai_link->be_hw_params_fixup(rtd,
		params);
		if (ret < 0)
		dev_err(rtd->card->dev, "ASoC: fixup failed for %s\n",
		rtd->dai_link->name);
		}

		ret = soc_pcm_params_symmetry(substream, params);
		if (ret)
		goto out;