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Hans Verkuil 874c65f038 [media] s5c73m3/s5k5baf/s5k6aa: fix compiler warnings
Fix these compiler warnings that appeared after switching to gcc-5.1.0:

drivers/media/i2c/s5k5baf.c: In function 's5k5baf_set_power':
drivers/media/i2c/s5k5baf.c:1057:10: warning: logical not is only applied to the left hand side of comparison [-Wlogical-not-parentheses]
  if (!on != state->power)
          ^
drivers/media/i2c/s5k6aa.c: In function 's5k6aa_set_power':
drivers/media/i2c/s5k6aa.c:878:10: warning: logical not is only applied to the left hand side of comparison [-Wlogical-not-parentheses]
  if (!on == s5k6aa->power) {
          ^
drivers/media/i2c/s5c73m3/s5c73m3-core.c: In function 's5c73m3_oif_set_power':
drivers/media/i2c/s5c73m3/s5c73m3-core.c:1456:17: warning: logical not is only applied to the left hand side of comparison [-Wlogical-not-parentheses]
  } else if (!on == state->power) {
                 ^

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Cc: Kamil Debski <k.debski@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
2015-04-28 09:24:51 -03:00
Hans Verkuil f7234138f1 [media] v4l2-subdev: replace v4l2_subdev_fh by v4l2_subdev_pad_config
If a subdevice pad op is called from a bridge driver, then there is
no v4l2_subdev_fh struct that can be passed to the subdevice. This
made it hard to use such subdevs from a bridge driver.

This patch replaces the v4l2_subdev_fh pointer by a v4l2_subdev_pad_config
pointer in the pad ops. This allows bridge drivers to use the various
try_ pad ops by creating a v4l2_subdev_pad_config struct and passing it
along to the pad op.

The v4l2_subdev_get_try_* macros had to be changed because of this, so
I also took the opportunity to use the full name of the v4l2_subdev_get_try_*
functions in the __V4L2_SUBDEV_MK_GET_TRY macro arguments: if you now do
'git grep v4l2_subdev_get_try_format' you will actually find the header
where it is defined.

One remark regarding the drivers/staging/media/davinci_vpfe patches: the
*_init_formats() functions assumed that fh could be NULL. However, that's
not true for this driver, it's always set. This is almost certainly a copy
and paste from the omap3isp driver. I've updated the code to reflect the
fact that fh is never NULL.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Acked-by: Lad, Prabhakar <prabhakar.csengg@gmail.com>
Tested-by: Lad, Prabhakar <prabhakar.csengg@gmail.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Acked-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
2015-03-23 11:41:36 -07:00
Hans Verkuil 7c7586bb3c [media] s5k6aa: fix sparse warnings
drivers/media/i2c/s5k6aa.c:351:16: warning: cast to restricted __be16
drivers/media/i2c/s5k6aa.c:351:16: warning: cast to restricted __be16
drivers/media/i2c/s5k6aa.c:351:16: warning: cast to restricted __be16
drivers/media/i2c/s5k6aa.c:351:16: warning: cast to restricted __be16

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Acked-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
2014-12-23 10:46:00 -02:00
Hans Verkuil 1a023feb9c [media] v4l2 subdevs: replace get/set_crop by get/set_selection
The crop and selection pad ops are duplicates. Replace all uses of get/set_crop
by get/set_selection. This will make it possible to drop get/set_crop
altogether.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Acked-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: Prabhakar Lad <prabhakar.csengg@gmail.com>
Cc: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
2014-12-22 18:11:34 -02:00
Boris BREZILLON f5fe58fd76 [media] i2c: Make use of media_bus_format enum
In order to have subsytem agnostic media bus format definitions we've
moved media bus definitions to include/uapi/linux/media-bus-format.h and
prefixed values with MEDIA_BUS_FMT instead of V4L2_MBUS_FMT.

Replace all references to the old definitions in i2c drivers.

Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Acked-by: Lad, Prabhakar <prabhakar.csengg@gmail.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
2014-11-14 17:52:48 -02:00
Dan Carpenter 174e60adf4 [media] s5k6aa: off by one in s5k6aa_enum_frame_interval()
The check is off by one so we could read one space past the end of the
array.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
2013-08-24 04:54:09 -03:00
Laurent Pinchart 31857e54fa [media] s5k6aa: Convert to devm_gpio_request_one()
Use the devm_gpio_request_one() managed function to simplify cleanup
code paths.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2013-05-21 07:55:45 -03:00
Sachin Kamat 97466d0da3 [media] s5k6aa: Use devm_regulator_bulk_get API
devm_regulator_bulk_get is device managed and saves some cleanup
and exit code.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2013-02-05 17:31:22 -02:00
Sylwester Nawrocki 94c15b5e67 [media] s5k6aa: Fix possible NULL pointer dereference
Make sure __s5k6aa_get_crop_rect() always returns valid pointer,
as it is assumed at the callers.
crop->which is already validated when subdev set_crop and get_crop
callbacks are called from within the v4l2-core. If it ever happens
the crop operations are called directly for some reason in kernel
space, with incorrect crop->which argument, just log it with WARN
and return reference to the TRY crop.

Reported-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Acked-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-10-02 14:01:30 -03:00
Mauro Carvalho Chehab cb7a01ac32 [media] move i2c files into drivers/media/i2c
Move ancillary I2C drivers into drivers/media/i2c, in order to
better organize them.

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-08-15 16:42:14 -03:00