Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 3513798c authored by Jeeja KP's avatar Jeeja KP Committed by Mark Brown
Browse files

ASoC: Intel: Add support for PM ops in bxt-rt298 



We need card to be early suspended and late resumed, so use prepare and
complete for card suspend and resume.

Signed-off-by: default avatarJeeja KP <jeeja.kp@intel.com>
Signed-off-by: default avatarSenthilnathan Veppur <senthilnathanx.veppur@intel.com>
Signed-off-by: default avatarVinod Koul <vinod.koul@intel.com>
Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent 2f74053b

sound/soc/intel/boards/bxt_rt298.c

+23 −0
Original line number Diff line number Diff line
@@ -454,10 +454,33 @@ static int broxton_audio_probe(struct platform_device *pdev) 
	return devm_snd_soc_register_card(&pdev->dev, &broxton_rt298);

}



/*

 * we want the card to be suspend first and then platform driver. This

 * allows the DAPM to tear down pipelines on suspend and then platform shuts

 * down the DSP. For this use .prepare for suspending card

 *

 * Similarly, use complete to let DSP download firmware first and then sync

 * DAPM and restore pipelines to DSP

 */

static void broxton_rt298_complete(struct device *dev)

{

	snd_soc_resume(dev);

}



static const struct dev_pm_ops broxton_pm_ops = {

	.prepare = snd_soc_suspend,

	.complete = broxton_rt298_complete,

	.freeze = snd_soc_suspend,

	.thaw = snd_soc_resume,

	.poweroff = snd_soc_poweroff,

	.restore = snd_soc_resume,

};



static struct platform_driver broxton_audio = {

	.probe = broxton_audio_probe,

	.driver = {

		.name = "bxt_alc298s_i2s",

		.pm = &broxton_pm_ops,

	},

};

module_platform_driver(broxton_audio)