Unverified Commit a3a96e93 authored by Srinivasa Rao Mandadapu's avatar Srinivasa Rao Mandadapu Committed by Mark Brown
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ASoC: qcom: lpass-sc7280: Add system suspend/resume PM ops 



Update lpass sc7280 platform driver with PM ops, such as
system supend and resume callbacks.
This update is required to disable clocks during supend and
avoid XO shutdown issue.

Signed-off-by: default avatarSrinivasa Rao Mandadapu <quic_srivasam@quicinc.com>
Tested-by: default avatarRahul Ajmeriya <quic_rajmeriy@quicinc.com>
Link: https://lore.kernel.org/r/1669703784-27589-1-git-send-email-quic_srivasam@quicinc.com


Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent 4cbb264d

sound/soc/qcom/lpass-sc7280.c

+18 −0
Original line number Diff line number Diff line
@@ -232,10 +232,27 @@ static int sc7280_lpass_exit(struct platform_device *pdev) 
	struct lpass_data *drvdata = platform_get_drvdata(pdev);



	clk_bulk_disable_unprepare(drvdata->num_clks, drvdata->clks);

	return 0;

}



static int sc7280_lpass_dev_resume(struct device *dev)

{

	struct lpass_data *drvdata = dev_get_drvdata(dev);



	return clk_bulk_prepare_enable(drvdata->num_clks, drvdata->clks);

}



static int sc7280_lpass_dev_suspend(struct device *dev)

{

	struct lpass_data *drvdata = dev_get_drvdata(dev);



	clk_bulk_disable_unprepare(drvdata->num_clks, drvdata->clks);

	return 0;

}



static const struct dev_pm_ops sc7280_lpass_pm_ops = {

	SET_SYSTEM_SLEEP_PM_OPS(sc7280_lpass_dev_suspend, sc7280_lpass_dev_resume)

};

static struct lpass_variant sc7280_data = {

	.i2sctrl_reg_base		= 0x1000,

	.i2sctrl_reg_stride		= 0x1000,
@@ -426,6 +443,7 @@ static struct platform_driver sc7280_lpass_cpu_platform_driver = { 
	.driver = {

		.name = "sc7280-lpass-cpu",

		.of_match_table = of_match_ptr(sc7280_lpass_cpu_device_id),

		.pm = &sc7280_lpass_pm_ops,

	},

	.probe = asoc_qcom_lpass_cpu_platform_probe,

	.remove = asoc_qcom_lpass_cpu_platform_remove,