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| author | Guennadi Liakhovetski <g.liakhovetski@gmx.de> | 2012-12-21 13:01:55 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2013-06-21 16:32:36 -0300 |
| commit | 9aea470b399d797e88be08985c489855759c6c60 (patch) | |
| tree | cbcc6f1c80ee9da8b0da54e2d793f63e920527ee /drivers/media/i2c/soc_camera/mt9m001.c | |
| parent | e9e310491bdbc8c0f33ea0e2ce65eff345a01f71 (diff) | |
| download | op-kernel-dev-9aea470b399d797e88be08985c489855759c6c60.zip op-kernel-dev-9aea470b399d797e88be08985c489855759c6c60.tar.gz | |
[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/mt9m001.c')
| -rw-r--r-- | drivers/media/i2c/soc_camera/mt9m001.c | 17 |
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); |
