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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: Srinivasa Rao Mandadapu <quic_srivasam@quicinc.com>
Tested-by: Rahul Ajmeriya <quic_rajmeriy@quicinc.com>
Link: https://lore.kernel.org/r/1669703784-27589-1-git-send-email-quic_srivasam@quicinc.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Srinivasa Rao Mandadapu 2022-11-29 12:06:24 +05:30 committed by Mark Brown
parent 4cbb264d4e
commit a3a96e93cc
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GPG Key ID: 24D68B725D5487D0
1 changed files with 19 additions and 1 deletions
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20
sound/soc/qcom/lpass-sc7280.c
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@ -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,