diff options
| author | Shengjiu Wang <shengjiu.wang@nxp.com> | 2019-11-22 15:45:33 +0800 |
|---|---|---|
| committer | Dong Aisheng <aisheng.dong@nxp.com> | 2019-11-25 15:54:27 +0800 |
| commit | f25a2423464bfb3e352c6a898f9e51e1e31895d1 (patch) | |
| tree | 066fc94780a172c45836243b439caf4597b13135 | |
| parent | 24a3bee2e17b29cbeb0517a86e8822c5e1ac0884 (diff) | |
LF-106: ASoC: fsl_ssi: request BUS_FREQ_AUDIO
request BUS_FREQ_AUDIO
Signed-off-by: Shengjiu Wang <shengjiu.wang@nxp.com>
| -rw-r--r-- | sound/soc/fsl/fsl_ssi.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/sound/soc/fsl/fsl_ssi.c b/sound/soc/fsl/fsl_ssi.c index 88baaf3f7a45..c3c760067b50 100644 --- a/sound/soc/fsl/fsl_ssi.c +++ b/sound/soc/fsl/fsl_ssi.c @@ -40,6 +40,8 @@ #include <linux/of_address.h> #include <linux/of_irq.h> #include <linux/of_platform.h> +#include <linux/pm_runtime.h> +#include <linux/busfreq-imx.h> #include <sound/core.h> #include <sound/pcm.h> @@ -1572,6 +1574,7 @@ static int fsl_ssi_probe(struct platform_device *pdev) } dev_set_drvdata(dev, ssi); + pm_runtime_enable(&pdev->dev); if (ssi->soc->imx) { ret = fsl_ssi_imx_probe(pdev, ssi, iomem); @@ -1671,6 +1674,20 @@ static int fsl_ssi_remove(struct platform_device *pdev) return 0; } +#ifdef CONFIG_PM +static int fsl_ssi_runtime_resume(struct device *dev) +{ + request_bus_freq(BUS_FREQ_AUDIO); + return 0; +} + +static int fsl_ssi_runtime_suspend(struct device *dev) +{ + release_bus_freq(BUS_FREQ_AUDIO); + return 0; +} +#endif + #ifdef CONFIG_PM_SLEEP static int fsl_ssi_suspend(struct device *dev) { @@ -1705,6 +1722,8 @@ static int fsl_ssi_resume(struct device *dev) static const struct dev_pm_ops fsl_ssi_pm = { SET_SYSTEM_SLEEP_PM_OPS(fsl_ssi_suspend, fsl_ssi_resume) + SET_RUNTIME_PM_OPS(fsl_ssi_runtime_suspend, fsl_ssi_runtime_resume, + NULL) }; static struct platform_driver fsl_ssi_driver = { |