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Commit 066d7b87 authored by Jin Yao's avatar Jin Yao Committed by Mark Brown
Browse files

ASoC: Intel: Add suspend_pre and resume_post for Braswell snd_soc_card 



On Braswell, we need to add some machine specific setting before suspend
and after resume. For example, disable/enable jack detection in codec so
use snd_soc_card suspend_pre and resume_post ops for this purpose.

Signed-off-by: default avatarJin Yao <yao.jin@linux.intel.com>
Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent 3ee5990d

sound/soc/intel/cht_bsw_rt5672.c

+31 −0
Original line number Diff line number Diff line
@@ -267,6 +267,35 @@ static struct snd_soc_dai_link cht_dailink[] = { 
	},

};



static int cht_suspend_pre(struct snd_soc_card *card)

{

	struct snd_soc_codec *codec;



	list_for_each_entry(codec, &card->codec_dev_list, card_list) {

		if (!strcmp(codec->component.name, "i2c-10EC5670:00")) {

			dev_dbg(codec->dev, "disabling jack detect before going to suspend.\n");

			rt5670_jack_suspend(codec);

			break;

		}

	}

	return 0;

}



static int cht_resume_post(struct snd_soc_card *card)

{

	struct snd_soc_codec *codec;



	list_for_each_entry(codec, &card->codec_dev_list, card_list) {

		if (!strcmp(codec->component.name, "i2c-10EC5670:00")) {

			dev_dbg(codec->dev, "enabling jack detect for resume.\n");

			rt5670_jack_resume(codec);

			break;

		}

	}



	return 0;

}



/* SoC card */

static struct snd_soc_card snd_soc_card_cht = {

	.name = "cherrytrailcraudio",
@@ -278,6 +307,8 @@ static struct snd_soc_card snd_soc_card_cht = { 
	.num_dapm_routes = ARRAY_SIZE(cht_audio_map),

	.controls = cht_mc_controls,

	.num_controls = ARRAY_SIZE(cht_mc_controls),

	.suspend_pre = cht_suspend_pre,

	.resume_post = cht_resume_post,

};



static int snd_cht_mc_probe(struct platform_device *pdev)