diff options
Diffstat (limited to 'drivers/media/platform/qcom/camss/camss-csid.c')
| -rw-r--r-- | drivers/media/platform/qcom/camss/camss-csid.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/drivers/media/platform/qcom/camss/camss-csid.c b/drivers/media/platform/qcom/camss/camss-csid.c index 627ef44cf895..3ba087fd95a1 100644 --- a/drivers/media/platform/qcom/camss/camss-csid.c +++ b/drivers/media/platform/qcom/camss/camss-csid.c @@ -13,6 +13,7 @@ #include <linux/kernel.h> #include <linux/of.h> #include <linux/platform_device.h> +#include <linux/pm_runtime.h> #include <linux/regulator/consumer.h> #include <media/media-entity.h> #include <media/v4l2-device.h> @@ -316,19 +317,27 @@ static int csid_set_power(struct v4l2_subdev *sd, int on) if (on) { u32 hw_version; - ret = regulator_enable(csid->vdda); + ret = pm_runtime_get_sync(dev); if (ret < 0) return ret; + ret = regulator_enable(csid->vdda); + if (ret < 0) { + pm_runtime_put_sync(dev); + return ret; + } + ret = csid_set_clock_rates(csid); if (ret < 0) { regulator_disable(csid->vdda); + pm_runtime_put_sync(dev); return ret; } ret = camss_enable_clocks(csid->nclocks, csid->clock, dev); if (ret < 0) { regulator_disable(csid->vdda); + pm_runtime_put_sync(dev); return ret; } @@ -339,6 +348,7 @@ static int csid_set_power(struct v4l2_subdev *sd, int on) disable_irq(csid->irq); camss_disable_clocks(csid->nclocks, csid->clock); regulator_disable(csid->vdda); + pm_runtime_put_sync(dev); return ret; } @@ -348,6 +358,7 @@ static int csid_set_power(struct v4l2_subdev *sd, int on) disable_irq(csid->irq); camss_disable_clocks(csid->nclocks, csid->clock); ret = regulator_disable(csid->vdda); + pm_runtime_put_sync(dev); } return ret; |