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ASoC: codecs: wsa-macro: add runtime pm support 

Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20220224111718.6264-12-srinivas.kandagatla@linaro.org
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Srinivas Kandagatla 2022-02-24 11:17:13 +00:00 committed by Mark Brown
parent 72ad25eabd
commit c96baa2949
No known key found for this signature in database
GPG Key ID: 24D68B725D5487D0
1 changed files with 61 additions and 0 deletions
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61
sound/soc/codecs/lpass-wsa-macro.c
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@ -10,6 +10,7 @@
#include <linux/clk-provider.h>
#include <sound/soc.h>
#include <sound/soc-dapm.h>
#include <linux/pm_runtime.h>
#include <linux/of_platform.h>
#include <sound/tlv.h>
#include "lpass-wsa-macro.h"
@ -2468,6 +2469,12 @@ static int wsa_macro_probe(struct platform_device *pdev)
if (ret)
goto err_clkout;
pm_runtime_set_autosuspend_delay(dev, 3000);
pm_runtime_use_autosuspend(dev);
pm_runtime_mark_last_busy(dev);
pm_runtime_set_active(dev);
pm_runtime_enable(dev);
return 0;
err_clkout:
@ -2498,6 +2505,59 @@ static int wsa_macro_remove(struct platform_device *pdev)
return 0;
}
static int __maybe_unused wsa_macro_runtime_suspend(struct device *dev)
{
struct wsa_macro *wsa = dev_get_drvdata(dev);
regcache_cache_only(wsa->regmap, true);
regcache_mark_dirty(wsa->regmap);
clk_disable_unprepare(wsa->mclk);
clk_disable_unprepare(wsa->npl);
clk_disable_unprepare(wsa->fsgen);
return 0;
}
static int __maybe_unused wsa_macro_runtime_resume(struct device *dev)
{
struct wsa_macro *wsa = dev_get_drvdata(dev);
int ret;
ret = clk_prepare_enable(wsa->mclk);
if (ret) {
dev_err(dev, "unable to prepare mclk\n");
return ret;
}
ret = clk_prepare_enable(wsa->npl);
if (ret) {
dev_err(dev, "unable to prepare mclkx2\n");
goto err_npl;
}
ret = clk_prepare_enable(wsa->fsgen);
if (ret) {
dev_err(dev, "unable to prepare fsgen\n");
goto err_fsgen;
}
regcache_cache_only(wsa->regmap, false);
regcache_sync(wsa->regmap);
return 0;
err_fsgen:
clk_disable_unprepare(wsa->npl);
err_npl:
clk_disable_unprepare(wsa->mclk);
return ret;
}
static const struct dev_pm_ops wsa_macro_pm_ops = {
SET_RUNTIME_PM_OPS(wsa_macro_runtime_suspend, wsa_macro_runtime_resume, NULL)
};
static const struct of_device_id wsa_macro_dt_match[] = {
{.compatible = "qcom,sc7280-lpass-wsa-macro"},
{.compatible = "qcom,sm8250-lpass-wsa-macro"},
@ -2509,6 +2569,7 @@ static struct platform_driver wsa_macro_driver = {
.driver = {
.name = "wsa_macro",
.of_match_table = wsa_macro_dt_match,
.pm = &wsa_macro_pm_ops,
},
.probe = wsa_macro_probe,
.remove = wsa_macro_remove,