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[media] soc-camera: switch I2C subdevice drivers to use v4l2-clk

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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 <[email protected]>
Acked-by: Hans Verkuil <[email protected]>
Acked-by: Laurent Pinchart <[email protected]>
Signed-off-by: Mauro Carvalho Chehab <[email protected]>
This commit is contained in:
Guennadi Liakhovetski 2012-12-21 13:01:55 -03:00 • committed by Mauro Carvalho Chehab
commit 9aea470b39
18 changed files with 362 additions and 79 deletions
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13
include/media/soc_camera.h
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@ -49,6 +49,7 @@ struct soc_camera_device {
/* soc_camera.c private count. Only accessed with .host_lock held */
int use_count;
struct file *streamer; /* stream owner */
struct v4l2_clk *clk;
union {
struct videobuf_queue vb_vidq;
struct vb2_queue vb2_vidq;
@ -325,14 +326,16 @@ static inline void soc_camera_limit_side(int *start, int *length,
unsigned long soc_camera_apply_board_flags(struct soc_camera_subdev_desc *ssdd,
const struct v4l2_mbus_config *cfg);
int soc_camera_power_on(struct device *dev, struct soc_camera_subdev_desc *ssdd);
int soc_camera_power_off(struct device *dev, struct soc_camera_subdev_desc *ssdd);
int soc_camera_power_on(struct device *dev, struct soc_camera_subdev_desc *ssdd,
struct v4l2_clk *clk);
int soc_camera_power_off(struct device *dev, struct soc_camera_subdev_desc *ssdd,
struct v4l2_clk *clk);
static inline int soc_camera_set_power(struct device *dev,
struct soc_camera_subdev_desc *ssdd, bool on)
struct soc_camera_subdev_desc *ssdd, struct v4l2_clk *clk, bool on)
{
return on ? soc_camera_power_on(dev, ssdd)
: soc_camera_power_off(dev, ssdd);
return on ? soc_camera_power_on(dev, ssdd, clk)
: soc_camera_power_off(dev, ssdd, clk);
}
/* This is only temporary here - until v4l2-subdev begins to link to video_device */