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path: root/drivers/media/platform/s5p-tv/mixer_drv.c
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Diffstat (limited to 'drivers/media/platform/s5p-tv/mixer_drv.c')
-rw-r--r--drivers/media/platform/s5p-tv/mixer_drv.c34
1 files changed, 28 insertions, 6 deletions
diff --git a/drivers/media/platform/s5p-tv/mixer_drv.c b/drivers/media/platform/s5p-tv/mixer_drv.c
index 51805a5e2beb..bc08b5f28e44 100644
--- a/drivers/media/platform/s5p-tv/mixer_drv.c
+++ b/drivers/media/platform/s5p-tv/mixer_drv.c
@@ -347,19 +347,41 @@ static int mxr_runtime_resume(struct device *dev)
{
struct mxr_device *mdev = to_mdev(dev);
struct mxr_resources *res = &mdev->res;
+ int ret;
mxr_dbg(mdev, "resume - start\n");
mutex_lock(&mdev->mutex);
/* turn clocks on */
- clk_enable(res->mixer);
- clk_enable(res->vp);
- clk_enable(res->sclk_mixer);
+ ret = clk_prepare_enable(res->mixer);
+ if (ret < 0) {
+ dev_err(mdev->dev, "clk_prepare_enable(mixer) failed\n");
+ goto fail;
+ }
+ ret = clk_prepare_enable(res->vp);
+ if (ret < 0) {
+ dev_err(mdev->dev, "clk_prepare_enable(vp) failed\n");
+ goto fail_mixer;
+ }
+ ret = clk_prepare_enable(res->sclk_mixer);
+ if (ret < 0) {
+ dev_err(mdev->dev, "clk_prepare_enable(sclk_mixer) failed\n");
+ goto fail_vp;
+ }
/* apply default configuration */
mxr_reg_reset(mdev);
mxr_dbg(mdev, "resume - finished\n");
mutex_unlock(&mdev->mutex);
return 0;
+
+fail_vp:
+ clk_disable_unprepare(res->vp);
+fail_mixer:
+ clk_disable_unprepare(res->mixer);
+fail:
+ mutex_unlock(&mdev->mutex);
+ dev_err(mdev->dev, "resume failed\n");
+ return ret;
}
static int mxr_runtime_suspend(struct device *dev)
@@ -369,9 +391,9 @@ static int mxr_runtime_suspend(struct device *dev)
mxr_dbg(mdev, "suspend - start\n");
mutex_lock(&mdev->mutex);
/* turn clocks off */
- clk_disable(res->sclk_mixer);
- clk_disable(res->vp);
- clk_disable(res->mixer);
+ clk_disable_unprepare(res->sclk_mixer);
+ clk_disable_unprepare(res->vp);
+ clk_disable_unprepare(res->mixer);
mutex_unlock(&mdev->mutex);
mxr_dbg(mdev, "suspend - finished\n");
return 0;