media: s5p-mfc: add support for runtime pm for memport client devices

Client device for handling memory/dma operations for right and left memory
port (memory bank) require runtime pm handling for correct operation. Add
required calls to power_on/power_off functions.

Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>

diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc_pm.c b/drivers/media/platform/s5p-mfc/s5p_mfc_pm.c
index 11d5f1d..9e23852 100644 (file)
--- a/drivers/media/platform/s5p-mfc/s5p_mfc_pm.c
+++ b/drivers/media/platform/s5p-mfc/s5p_mfc_pm.c
@@ -97,6 +97,8 @@ void s5p_mfc_clock_off(void)
 int s5p_mfc_power_on(void)
 {
 #ifdef CONFIG_PM_RUNTIME
+       pm_runtime_get_sync(p_dev->mem_dev_l);
+       pm_runtime_get_sync(p_dev->mem_dev_r);
        return pm_runtime_get_sync(pm->device);
 #else
        atomic_set(&pm->power, 1);
@@ -107,6 +109,8 @@ int s5p_mfc_power_on(void)
 int s5p_mfc_power_off(void)
 {
 #ifdef CONFIG_PM_RUNTIME
+       pm_runtime_put_sync(p_dev->mem_dev_l);
+       pm_runtime_put_sync(p_dev->mem_dev_r);
        return pm_runtime_put_sync(pm->device);
 #else
        atomic_set(&pm->power, 0);