diff options
| author | Guennadi Liakhovetski <g.liakhovetski@gmx.de> | 2012-12-21 20:01:55 +0400 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2013-06-21 23:32:36 +0400 |
| commit | 9aea470b399d797e88be08985c489855759c6c60 (patch) | |
| tree | cbcc6f1c80ee9da8b0da54e2d793f63e920527ee /drivers/media/i2c/soc_camera/ov6650.c | |
| parent | e9e310491bdbc8c0f33ea0e2ce65eff345a01f71 (diff) | |
| download | linux-9aea470b399d797e88be08985c489855759c6c60.tar.xz | |
[media] soc-camera: switch I2C subdevice drivers to use v4l2-clk
Instead of centrally enabling and disabling subdevice master clocks in
soc-camera core, let subdevice drivers do that themselves, using the
V4L2 clock API and soc-camera convenience wrappers.
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/i2c/soc_camera/ov6650.c')
| -rw-r--r-- | drivers/media/i2c/soc_camera/ov6650.c | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/drivers/media/i2c/soc_camera/ov6650.c b/drivers/media/i2c/soc_camera/ov6650.c index d2869d87d3b1..ab01598ec83f 100644 --- a/drivers/media/i2c/soc_camera/ov6650.c +++ b/drivers/media/i2c/soc_camera/ov6650.c @@ -32,6 +32,7 @@ #include <linux/module.h> #include <media/soc_camera.h> +#include <media/v4l2-clk.h> #include <media/v4l2-ctrls.h> /* Register definitions */ @@ -195,6 +196,7 @@ struct ov6650 { struct v4l2_ctrl *blue; struct v4l2_ctrl *red; }; + struct v4l2_clk *clk; bool half_scale; /* scale down output by 2 */ struct v4l2_rect rect; /* sensor cropping window */ unsigned long pclk_limit; /* from host */ @@ -425,8 +427,9 @@ static int ov6650_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 ov6650 *priv = to_ov6650(client); - return soc_camera_set_power(&client->dev, ssdd, on); + return soc_camera_set_power(&client->dev, ssdd, priv->clk, on); } static int ov6650_g_crop(struct v4l2_subdev *sd, struct v4l2_crop *a) @@ -1013,9 +1016,18 @@ static int ov6650_probe(struct i2c_client *client, priv->code = V4L2_MBUS_FMT_YUYV8_2X8; priv->colorspace = V4L2_COLORSPACE_JPEG; + priv->clk = v4l2_clk_get(&client->dev, "mclk"); + if (IS_ERR(priv->clk)) { + ret = PTR_ERR(priv->clk); + goto eclkget; + } + ret = ov6650_video_probe(client); - if (ret) + if (ret) { + v4l2_clk_put(priv->clk); +eclkget: v4l2_ctrl_handler_free(&priv->hdl); + } return ret; } @@ -1024,6 +1036,7 @@ static int ov6650_remove(struct i2c_client *client) { struct ov6650 *priv = to_ov6650(client); + v4l2_clk_put(priv->clk); v4l2_device_unregister_subdev(&priv->subdev); v4l2_ctrl_handler_free(&priv->hdl); return 0; |