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path: root/drivers/media/i2c/soc_camera/ov9740.c
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Diffstat (limited to 'drivers/media/i2c/soc_camera/ov9740.c')
-rw-r--r--drivers/media/i2c/soc_camera/ov9740.c35
1 files changed, 15 insertions, 20 deletions
diff --git a/drivers/media/i2c/soc_camera/ov9740.c b/drivers/media/i2c/soc_camera/ov9740.c
index 012bd6271124..ea76863dfdb4 100644
--- a/drivers/media/i2c/soc_camera/ov9740.c
+++ b/drivers/media/i2c/soc_camera/ov9740.c
@@ -17,7 +17,7 @@
#include <linux/v4l2-mediabus.h>
#include <media/soc_camera.h>
-#include <media/v4l2-chip-ident.h>
+#include <media/v4l2-clk.h>
#include <media/v4l2-ctrls.h>
#define to_ov9740(sd) container_of(sd, struct ov9740_priv, subdev)
@@ -196,8 +196,8 @@ struct ov9740_reg {
struct ov9740_priv {
struct v4l2_subdev subdev;
struct v4l2_ctrl_handler hdl;
+ struct v4l2_clk *clk;
- int ident;
u16 model;
u8 revision;
u8 manid;
@@ -772,18 +772,6 @@ static int ov9740_s_ctrl(struct v4l2_ctrl *ctrl)
return 0;
}
-/* Get chip identification */
-static int ov9740_g_chip_ident(struct v4l2_subdev *sd,
- struct v4l2_dbg_chip_ident *id)
-{
- struct ov9740_priv *priv = to_ov9740(sd);
-
- id->ident = priv->ident;
- id->revision = priv->revision;
-
- return 0;
-}
-
static int ov9740_s_power(struct v4l2_subdev *sd, int on)
{
struct i2c_client *client = v4l2_get_subdevdata(sd);
@@ -792,7 +780,7 @@ static int ov9740_s_power(struct v4l2_subdev *sd, int on)
int ret;
if (on) {
- ret = soc_camera_power_on(&client->dev, ssdd);
+ ret = soc_camera_power_on(&client->dev, ssdd, priv->clk);
if (ret < 0)
return ret;
@@ -806,7 +794,7 @@ static int ov9740_s_power(struct v4l2_subdev *sd, int on)
priv->current_enable = true;
}
- soc_camera_power_off(&client->dev, ssdd);
+ soc_camera_power_off(&client->dev, ssdd, priv->clk);
}
return 0;
@@ -887,8 +875,6 @@ static int ov9740_video_probe(struct i2c_client *client)
goto done;
}
- priv->ident = V4L2_IDENT_OV9740;
-
dev_info(&client->dev, "ov9740 Model ID 0x%04x, Revision 0x%02x, "
"Manufacturer 0x%02x, SMIA Version 0x%02x\n",
priv->model, priv->revision, priv->manid, priv->smiaver);
@@ -927,7 +913,6 @@ static struct v4l2_subdev_video_ops ov9740_video_ops = {
};
static struct v4l2_subdev_core_ops ov9740_core_ops = {
- .g_chip_ident = ov9740_g_chip_ident,
.s_power = ov9740_s_power,
#ifdef CONFIG_VIDEO_ADV_DEBUG
.g_register = ov9740_get_register,
@@ -975,9 +960,18 @@ static int ov9740_probe(struct i2c_client *client,
if (priv->hdl.error)
return priv->hdl.error;
+ priv->clk = v4l2_clk_get(&client->dev, "mclk");
+ if (IS_ERR(priv->clk)) {
+ ret = PTR_ERR(priv->clk);
+ goto eclkget;
+ }
+
ret = ov9740_video_probe(client);
- if (ret < 0)
+ if (ret < 0) {
+ v4l2_clk_put(priv->clk);
+eclkget:
v4l2_ctrl_handler_free(&priv->hdl);
+ }
return ret;
}
@@ -986,6 +980,7 @@ static int ov9740_remove(struct i2c_client *client)
{
struct ov9740_priv *priv = i2c_get_clientdata(client);
+ v4l2_clk_put(priv->clk);
v4l2_device_unregister_subdev(&priv->subdev);
v4l2_ctrl_handler_free(&priv->hdl);
return 0;