diff options
| author | Srinivas Kandagatla <srinivas.kandagatla@linaro.org> | 2022-02-24 11:17:13 +0000 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2022-02-25 13:51:09 +0000 |
| commit | c96baa2949b245da7e0d0e9e2a44cd4471c9f303 (patch) | |
| tree | 65669173e18c5c2a51a3d5819f736ffa0c839dba /sound/soc | |
| parent | 72ad25eabda0ac2b13ab8f418dc5d360aded172c (diff) | |
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>
Diffstat (limited to 'sound/soc')
| -rw-r--r-- | sound/soc/codecs/lpass-wsa-macro.c | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/sound/soc/codecs/lpass-wsa-macro.c b/sound/soc/codecs/lpass-wsa-macro.c index 94b8e2c59c26..27da6c6c3c5a 100644 --- a/sound/soc/codecs/lpass-wsa-macro.c +++ b/sound/soc/codecs/lpass-wsa-macro.c @@ -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, |