@@ -47,6 +47,9 @@ struct img_spdif_out {
struct snd_dmaengine_dai_dma_data dma_data;
struct device *dev;
struct reset_control *rst;
+ u32 suspend_ctl;
+ u32 suspend_csl;
+ u32 suspend_csh;
};
static int img_spdif_out_runtime_suspend(struct device *dev)
@@ -414,6 +417,46 @@ static int img_spdif_out_dev_remove(struct platform_device *pdev)
return 0;
}
+#ifdef CONFIG_PM_SLEEP
+static int img_spdif_out_suspend(struct device *dev)
+{
+ struct img_spdif_out *spdif = dev_get_drvdata(dev);
+ int ret;
+
+ if (pm_runtime_status_suspended(dev)) {
+ ret = img_spdif_out_runtime_resume(dev);
+ if (ret)
+ return ret;
+ }
+
+ spdif->suspend_ctl = img_spdif_out_readl(spdif, IMG_SPDIF_OUT_CTL);
+ spdif->suspend_csl = img_spdif_out_readl(spdif, IMG_SPDIF_OUT_CSL);
+ spdif->suspend_csh = img_spdif_out_readl(spdif, IMG_SPDIF_OUT_CSH_UV);
+
+ img_spdif_out_runtime_suspend(dev);
+
+ return 0;
+}
+
+static int img_spdif_out_resume(struct device *dev)
+{
+ struct img_spdif_out *spdif = dev_get_drvdata(dev);
+ int ret;
+
+ ret = img_spdif_out_runtime_resume(dev);
+ if (ret)
+ return ret;
+
+ img_spdif_out_writel(spdif, spdif->suspend_ctl, IMG_SPDIF_OUT_CTL);
+ img_spdif_out_writel(spdif, spdif->suspend_csl, IMG_SPDIF_OUT_CSL);
+ img_spdif_out_writel(spdif, spdif->suspend_csh, IMG_SPDIF_OUT_CSH_UV);
+
+ if (pm_runtime_status_suspended(dev))
+ img_spdif_out_runtime_suspend(dev);
+
+ return 0;
+}
+#endif
static const struct of_device_id img_spdif_out_of_match[] = {
{ .compatible = "img,spdif-out" },
{}
@@ -423,6 +466,7 @@ MODULE_DEVICE_TABLE(of, img_spdif_out_of_match);
static const struct dev_pm_ops img_spdif_out_pm_ops = {
SET_RUNTIME_PM_OPS(img_spdif_out_runtime_suspend,
img_spdif_out_runtime_resume, NULL)
+ SET_SYSTEM_SLEEP_PM_OPS(img_spdif_out_suspend, img_spdif_out_resume)
};
static struct platform_driver img_spdif_out_driver = {