summaryrefslogtreecommitdiffstats
path: root/drivers/media/video/s5p-fimc/mipi-csis.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/media/video/s5p-fimc/mipi-csis.c')
-rw-r--r--drivers/media/video/s5p-fimc/mipi-csis.c41
1 files changed, 22 insertions, 19 deletions
diff --git a/drivers/media/video/s5p-fimc/mipi-csis.c b/drivers/media/video/s5p-fimc/mipi-csis.c
index e34d4ba031b7..59d79bc2f58a 100644
--- a/drivers/media/video/s5p-fimc/mipi-csis.c
+++ b/drivers/media/video/s5p-fimc/mipi-csis.c
@@ -559,7 +559,6 @@ static int __devinit s5pcsis_probe(struct platform_device *pdev)
/* .. and a pointer to the subdev. */
platform_set_drvdata(pdev, &state->sd);
- state->flags = ST_SUSPENDED;
pm_runtime_enable(&pdev->dev);
return 0;
@@ -580,7 +579,7 @@ e_free:
return ret;
}
-static int s5pcsis_suspend(struct device *dev)
+static int s5pcsis_pm_suspend(struct device *dev, bool runtime)
{
struct s5p_platform_mipi_csis *pdata = dev->platform_data;
struct platform_device *pdev = to_platform_device(dev);
@@ -603,14 +602,15 @@ static int s5pcsis_suspend(struct device *dev)
goto unlock;
clk_disable(state->clock[CSIS_CLK_GATE]);
state->flags &= ~ST_POWERED;
+ if (!runtime)
+ state->flags |= ST_SUSPENDED;
}
- state->flags |= ST_SUSPENDED;
unlock:
mutex_unlock(&state->lock);
return ret ? -EAGAIN : 0;
}
-static int s5pcsis_resume(struct device *dev)
+static int s5pcsis_pm_resume(struct device *dev, bool runtime)
{
struct s5p_platform_mipi_csis *pdata = dev->platform_data;
struct platform_device *pdev = to_platform_device(dev);
@@ -622,7 +622,7 @@ static int s5pcsis_resume(struct device *dev)
__func__, state->flags);
mutex_lock(&state->lock);
- if (!(state->flags & ST_SUSPENDED))
+ if (!runtime && !(state->flags & ST_SUSPENDED))
goto unlock;
if (!(state->flags & ST_POWERED)) {
@@ -650,24 +650,26 @@ static int s5pcsis_resume(struct device *dev)
}
#ifdef CONFIG_PM_SLEEP
-static int s5pcsis_pm_suspend(struct device *dev)
+static int s5pcsis_suspend(struct device *dev)
{
- return s5pcsis_suspend(dev);
+ return s5pcsis_pm_suspend(dev, false);
}
-static int s5pcsis_pm_resume(struct device *dev)
+static int s5pcsis_resume(struct device *dev)
{
- int ret;
-
- ret = s5pcsis_resume(dev);
+ return s5pcsis_pm_resume(dev, false);
+}
+#endif
- if (!ret) {
- pm_runtime_disable(dev);
- ret = pm_runtime_set_active(dev);
- pm_runtime_enable(dev);
- }
+#ifdef CONFIG_PM_RUNTIME
+static int s5pcsis_runtime_suspend(struct device *dev)
+{
+ return s5pcsis_pm_suspend(dev, true);
+}
- return ret;
+static int s5pcsis_runtime_resume(struct device *dev)
+{
+ return s5pcsis_pm_resume(dev, true);
}
#endif
@@ -695,8 +697,9 @@ static int __devexit s5pcsis_remove(struct platform_device *pdev)
}
static const struct dev_pm_ops s5pcsis_pm_ops = {
- SET_RUNTIME_PM_OPS(s5pcsis_suspend, s5pcsis_resume, NULL)
- SET_SYSTEM_SLEEP_PM_OPS(s5pcsis_pm_suspend, s5pcsis_pm_resume)
+ SET_RUNTIME_PM_OPS(s5pcsis_runtime_suspend, s5pcsis_runtime_resume,
+ NULL)
+ SET_SYSTEM_SLEEP_PM_OPS(s5pcsis_suspend, s5pcsis_resume)
};
static struct platform_driver s5pcsis_driver = {
OpenPOWER on IntegriCloud