| 4721b3eb662ca5ea60a636f0f190f2fd2ac5df14 |
|
09-Aug-2014 |
Axel Lin <axel.lin@ingics.com> |
[media] ov7670: Include media/v4l2-image-sizes.h
So we can remove the same defines in the driver code.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: Jonathan Corbet <corbet@lwn.net>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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| cfece5857ca51d1dcdb157017aba226f594e9dcf |
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14-Apr-2014 |
Guennadi Liakhovetski <g.liakhovetski@gmx.de> |
[media] V4L2: ov7670: fix a wrong index, potentially Oopsing the kernel from user-space
Commit 75e2bdad8901a0b599e01a96229be922eef1e488 "ov7670: allow
configuration of image size, clock speed, and I/O method" uses a wrong
index to iterate an array. Apart from being wrong, it also uses an
unchecked value from user-space, which can cause access to unmapped
memory in the kernel, triggered by a normal desktop user with rights to
use V4L2 devices.
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Acked-by: Jonathan Corbet <corbet@lwn.net>
Cc: stable@vger.kernel.org
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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| 322e6d19ede96ac6c13a132590c435ff17e0827f |
|
14-Apr-2014 |
Guennadi Liakhovetski <g.liakhovetski@gmx.de> |
[media] V4L2: ov7670: fix a wrong index, potentially Oopsing the kernel from user-space
Commit 75e2bdad8901a0b599e01a96229be922eef1e488 "ov7670: allow
configuration of image size, clock speed, and I/O method" uses a wrong
index to iterate an array. Apart from being wrong, it also uses an
unchecked value from user-space, which can cause access to unmapped
memory in the kernel, triggered by a normal desktop user with rights to
use V4L2 devices.
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Acked-by: Jonathan Corbet <corbet@lwn.net>
Cc: stable@vger.kernel.org
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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| e12771100c93e101a7a8b302b6c5d57cff7b1551 |
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29-May-2013 |
Hans Verkuil <hans.verkuil@cisco.com> |
[media] media/i2c: remove g_chip_ident op
This is no longer needed since the core now handles this through DBG_G_CHIP_INFO.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Lad, Prabhakar <prabhakar.csengg@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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| 7e89bd9f242930371f89f3d8c32eaf42ea1c74b1 |
|
14-May-2013 |
Lad, Prabhakar <prabhakar.csengg@gmail.com> |
[media] media: i2c: remove duplicate checks for EPERM in dbg_g/s_register
This patch removes check for EPERM in dbg_g/s_register of subdevice
drivers as this check is already performed by core.
Signed-off-by: Lad, Prabhakar <prabhakar.csengg@gmail.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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| c02b211df6fc54e51ee554c27a6736a11255a764 |
|
02-May-2013 |
Laurent Pinchart <laurent.pinchart@ideasonboard.com> |
[media] media: i2c: Convert to devm_kzalloc()
Using the managed function the kfree() calls can be removed from the
probe error path and the remove handler.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Acked-by: Lad, Prabhakar <prabhakar.csengg@gmail.com>
Acked-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Benoît Thébaudeau <benoit.thebaudeau@advansee.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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| 977ba3b1b73f24fae2d0c8bd59d7a4696f1e0ccc |
|
24-Mar-2013 |
Hans Verkuil <hans.verkuil@cisco.com> |
[media] v4l2: add const to argument of write-only s_register ioctl
This ioctl is defined as IOW, so pass the argument as const.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Acked-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Acked-by: Lad, Prabhakar <prabhakar.csengg@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
|
| de03277d6ae26d09b3af8617f291c4bb3db7d2eb |
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29-Jan-2013 |
Javier Martin <javier.martin@vista-silicon.com> |
[media] ov7670: remove legacy ctrl callbacks
via-camera and mcam-core were the only bridge drivers that used ov7670.
Since now they have been moved to use the ctrl framework, the old
legacy callbacks in the ov7670 can be removed.
Signed-off-by: Javier Martin <javier.martin@vista-silicon.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
|
| 492959c77f66c2238298115f4fabf1bb9ca997eb |
|
29-Jan-2013 |
Javier Martin <javier.martin@vista-silicon.com> |
[media] ov7670: use the control framework
Cc: Jonathan Corbet <corbet@lwn.net>
Signed-off-by: Javier Martin <javier.martin@vista-silicon.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
|
| ee95258ed3926f3aa2cf8d62e62cd51be466fe26 |
|
29-Jan-2013 |
Javier Martin <javier.martin@vista-silicon.com> |
[media] media: ov7670: Add possibility to disable pixclk during hblank
Some bridge drivers capture pixels during blanking periods if
pixclk is enabled. In order to avoid capturing bogus data we need to
disable pixclk in the sensor during those blanking periods.
Acked-by: Jonathan Corbet <corbet@lwn.net>
Signed-off-by: Javier Martin <javier.martin@vista-silicon.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
|
| 04ee6d92047e1ac68d4eb615119343f4f0fc57db |
|
29-Jan-2013 |
Javier Martin <javier.martin@vista-silicon.com> |
[media] media: ov7670: add possibility to bypass pll for ov7675
For a frame rate of 30 fps a pixclk of 24MHz is needed. For those
cases where the ov7670 has a clean 24MHz input (xvclk) the PLL
can be bypassed.
This will result in a value of clkrc of 1, which means that in practice
pixclk = xvclk (input clock)
Acked-by: Jonathan Corbet <corbet@lwn.net>
Signed-off-by: Javier Martin <javier.martin@vista-silicon.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
|
| f6dd927f34d64014c4b196132b5cdf9f2e2a3ae5 |
|
29-Jan-2013 |
Javier Martin <javier.martin@vista-silicon.com> |
[media] media: ov7670: calculate framerate properly for ov7675
According to the datasheet ov7675 uses a formula to achieve
the desired framerate that is different from the operations
done in the current code.
In fact, this formula should apply to ov7670 too. This would
mean that current code is wrong but, in order to preserve
compatibility, the new formula will be used for ov7675 only.
Signed-off-by: Javier Martin <javier.martin@vista-silicon.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
|
| f748cd3ec8039a01d260ba0d51687afdf93c6e67 |
|
29-Jan-2013 |
Javier Martin <javier.martin@vista-silicon.com> |
[media] media: ov7670: make try_fmt() consistent with 'min_height' and 'min_width'
'min_height' and 'min_width' are variables that allow to specify the minimum
resolution that the sensor will achieve. This patch make v4l2 fmt callbacks
consider this parameters in order to return valid data to user space.
Acked-by: Jonathan Corbet <corbet@lwn.net>
Signed-off-by: Javier Martin <javier.martin@vista-silicon.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
|
| d058e23704ad7e0b6876a94b0d8428dcef510b49 |
|
29-Jan-2013 |
Javier Martin <javier.martin@vista-silicon.com> |
[media] media: ov7670: add support for ov7675
ov7675 and ov7670 share the same registers but there is no way
to distinguish them at runtime. However, they require different
tweaks to achieve the desired resolution. For this reason this
patch adds a new ov7675 entry to the ov7670_id table.
Signed-off-by: Javier Martin <javier.martin@vista-silicon.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
|
| c01b7429e2b713a3d039cd2b1a94dc1b97cdf321 |
|
30-Oct-2012 |
Javier Martin <javier.martin@vista-silicon.com> |
[media] media: ov7670: Allow 32x maximum gain for yuv422
4x gain ceiling is not enough to capture a decent image in conditions
of total darkness and only a LED light source. Allow a maximum gain
of 32x instead.
This doesn't have any drawback since the image quality in 'normal'
light conditions is the same.
Signed-off-by: Javier Martin <javier.martin@vista-silicon.com>
Acked-by: Jonathan Corbet <corbet@lwn.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
|
| cb7a01ac324bf2ee2c666f37ac867e4135f9785a |
|
14-Aug-2012 |
Mauro Carvalho Chehab <mchehab@redhat.com> |
[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>
|