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path: root/drivers/media/i2c/soc_camera/mt9t031.c
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Diffstat (limited to 'drivers/media/i2c/soc_camera/mt9t031.c')
-rw-r--r--drivers/media/i2c/soc_camera/mt9t031.c19
1 files changed, 16 insertions, 3 deletions
diff --git a/drivers/media/i2c/soc_camera/mt9t031.c b/drivers/media/i2c/soc_camera/mt9t031.c
index b3dfeb6..47d18d0 100644
--- a/drivers/media/i2c/soc_camera/mt9t031.c
+++ b/drivers/media/i2c/soc_camera/mt9t031.c
@@ -18,6 +18,7 @@
#include <linux/module.h>
#include <media/soc_camera.h>
+#include <media/v4l2-clk.h>
#include <media/v4l2-subdev.h>
#include <media/v4l2-ctrls.h>
@@ -75,6 +76,7 @@ struct mt9t031 {
struct v4l2_ctrl *exposure;
};
struct v4l2_rect rect; /* Sensor window */
+ struct v4l2_clk *clk;
u16 xskip;
u16 yskip;
unsigned int total_h;
@@ -585,16 +587,17 @@ static int mt9t031_s_power(struct v4l2_subdev *sd, int on)
struct i2c_client *client = v4l2_get_subdevdata(sd);
struct soc_camera_subdev_desc *ssdd = soc_camera_i2c_to_desc(client);
struct video_device *vdev = soc_camera_i2c_to_vdev(client);
+ struct mt9t031 *mt9t031 = to_mt9t031(client);
int ret;
if (on) {
- ret = soc_camera_power_on(&client->dev, ssdd);
+ ret = soc_camera_power_on(&client->dev, ssdd, mt9t031->clk);
if (ret < 0)
return ret;
vdev->dev.type = &mt9t031_dev_type;
} else {
vdev->dev.type = NULL;
- soc_camera_power_off(&client->dev, ssdd);
+ soc_camera_power_off(&client->dev, ssdd, mt9t031->clk);
}
return 0;
@@ -785,9 +788,18 @@ static int mt9t031_probe(struct i2c_client *client,
mt9t031->xskip = 1;
mt9t031->yskip = 1;
+ mt9t031->clk = v4l2_clk_get(&client->dev, "mclk");
+ if (IS_ERR(mt9t031->clk)) {
+ ret = PTR_ERR(mt9t031->clk);
+ goto eclkget;
+ }
+
ret = mt9t031_video_probe(client);
- if (ret)
+ if (ret) {
+ v4l2_clk_put(mt9t031->clk);
+eclkget:
v4l2_ctrl_handler_free(&mt9t031->hdl);
+ }
return ret;
}
@@ -796,6 +808,7 @@ static int mt9t031_remove(struct i2c_client *client)
{
struct mt9t031 *mt9t031 = to_mt9t031(client);
+ v4l2_clk_put(mt9t031->clk);
v4l2_device_unregister_subdev(&mt9t031->subdev);
v4l2_ctrl_handler_free(&mt9t031->hdl);