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path: root/drivers/media/i2c/soc_camera/mt9m001.c
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Diffstat (limited to 'drivers/media/i2c/soc_camera/mt9m001.c')
-rw-r--r--drivers/media/i2c/soc_camera/mt9m001.c17
1 files changed, 15 insertions, 2 deletions
diff --git a/drivers/media/i2c/soc_camera/mt9m001.c b/drivers/media/i2c/soc_camera/mt9m001.c
index 3f1f437..df97033 100644
--- a/drivers/media/i2c/soc_camera/mt9m001.c
+++ b/drivers/media/i2c/soc_camera/mt9m001.c
@@ -16,6 +16,7 @@
#include <media/soc_camera.h>
#include <media/soc_mediabus.h>
+#include <media/v4l2-clk.h>
#include <media/v4l2-subdev.h>
#include <media/v4l2-ctrls.h>
@@ -93,6 +94,7 @@ struct mt9m001 {
struct v4l2_ctrl *exposure;
};
struct v4l2_rect rect; /* Sensor window */
+ struct v4l2_clk *clk;
const struct mt9m001_datafmt *fmt;
const struct mt9m001_datafmt *fmts;
int num_fmts;
@@ -355,8 +357,9 @@ static int mt9m001_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 mt9m001 *mt9m001 = to_mt9m001(client);
- return soc_camera_set_power(&client->dev, ssdd, on);
+ return soc_camera_set_power(&client->dev, ssdd, mt9m001->clk, on);
}
static int mt9m001_g_volatile_ctrl(struct v4l2_ctrl *ctrl)
@@ -681,9 +684,18 @@ static int mt9m001_probe(struct i2c_client *client,
mt9m001->rect.width = MT9M001_MAX_WIDTH;
mt9m001->rect.height = MT9M001_MAX_HEIGHT;
+ mt9m001->clk = v4l2_clk_get(&client->dev, "mclk");
+ if (IS_ERR(mt9m001->clk)) {
+ ret = PTR_ERR(mt9m001->clk);
+ goto eclkget;
+ }
+
ret = mt9m001_video_probe(ssdd, client);
- if (ret)
+ if (ret) {
+ v4l2_clk_put(mt9m001->clk);
+eclkget:
v4l2_ctrl_handler_free(&mt9m001->hdl);
+ }
return ret;
}
@@ -693,6 +705,7 @@ static int mt9m001_remove(struct i2c_client *client)
struct mt9m001 *mt9m001 = to_mt9m001(client);
struct soc_camera_subdev_desc *ssdd = soc_camera_i2c_to_desc(client);
+ v4l2_clk_put(mt9m001->clk);
v4l2_device_unregister_subdev(&mt9m001->subdev);
v4l2_ctrl_handler_free(&mt9m001->hdl);
mt9m001_video_remove(ssdd);