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From: Eduardo Valentin <eduardo.valentin@nokia.com>
Priority: normal
Signed-off-by: Eduardo Valentin <eduardo.valentin@nokia.com>
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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From: Hans Verkuil <hverkuil@xs4all.nl>
Add support for string controls to v4l2-ctl.
Also refactor the code to generalize the handling of control classes.
Priority: normal
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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From: Hans Verkuil <hverkuil@xs4all.nl>
Setting the modulator did not take all txsubchans combinations and the
correct V4L2_TUNER_CAP_LOW into account (it used V4L2_TUNER_CAP_LOW
from G_TUNER instead of G_MODULATOR).
Priority: normal
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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From: Hans Verkuil <hverkuil@xs4all.nl>
Priority: normal
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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From: Hans Verkuil <hverkuil@xs4all.nl>
The upcoming RDS encoder needs support for string controls. This patch
implements the core implementation.
Priority: normal
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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From: Mauro Carvalho Chehab <mchehab@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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From: Mauro Carvalho Chehab <mchehab@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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From: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Add V4L2 API documentation for the new V4L2_CID_BAND_STOP_FILTER control
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
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From: Randy Dunlap <randy.dunlap@oracle.com>
Reported-by: Toralf Forster <toralf.foerster@gmx.de>
Priority: high
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Jean-Francois Moine <moinejf@free.fr>
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From: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Cc: Paul Mundt <lethal@linux-sh.org>
Acked-by: Paul Mundt <lethal@linux-sh.org>
Priority: low
---
arch/sh/boards/board-ap325rxa.c | 3 ++-
drivers/media/video/mt9m111.c | 9 +++++----
drivers/media/video/mt9v022.c | 5 ++++-
drivers/media/video/mx1_camera.c | 3 ++-
drivers/media/video/ov772x.c | 6 ++++--
drivers/media/video/pxa_camera.c | 3 ++-
drivers/media/video/soc_camera.c | 14 +++++++++++---
drivers/media/video/soc_camera_platform.c | 3 ++-
drivers/media/video/tw9910.c | 3 ++-
include/media/soc_camera.h | 15 ++++++++++-----
10 files changed, 44 insertions(+), 20 deletions(-)
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From: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
This makes the soc-camera interface for V4L2 subdevices thinner yet. Handle
gain and exposure internally in each driver just like all other controls.
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Priority: low
---
drivers/media/video/mt9m001.c | 43 ++++++++++++++++++++++++-------------
drivers/media/video/mt9m111.c | 20 ++++++++++++++---
drivers/media/video/mt9t031.c | 37 +++++++++++++++++++++-----------
drivers/media/video/mt9v022.c | 43 ++++++++++++++++++++++++++++---------
drivers/media/video/soc_camera.c | 19 ----------------
include/media/soc_camera.h | 2 -
6 files changed, 100 insertions(+), 64 deletions(-)
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From: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Remove unneeded soc-camera operations, this also makes the soc-camera API to
v4l2 subdevices thinner.
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Priority: low
---
drivers/media/video/mt9m001.c | 22 ++++++--------------
drivers/media/video/mt9m111.c | 40 +++++++------------------------------
drivers/media/video/mt9t031.c | 23 +++++----------------
drivers/media/video/mt9v022.c | 8 ++++--
drivers/media/video/soc_camera.c | 11 ----------
include/media/soc_camera.h | 4 ---
6 files changed, 26 insertions(+), 82 deletions(-)
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From: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
The initial soc-camera scaling and cropping implementation turned out to be
incompliant with the V4L2 API, e.g., it expected the user to specify cropping
in output window pixels, instead of input window pixels. This patch converts
the soc-camera core and all drivers to comply with the standard.
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Priority: low
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From: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Priority: low
---
drivers/media/video/mx1_camera.c | 38 ++++++++++--------
drivers/media/video/mx3_camera.c | 46 ++++++++++++---------
drivers/media/video/pxa_camera.c | 54 ++++++++++++++-----------
drivers/media/video/sh_mobile_ceu_camera.c | 61 ++++++++++++++-------------
4 files changed, 110 insertions(+), 89 deletions(-)
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From: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Priority: low
---
drivers/media/video/soc_camera.c | 8 +++-----
1 files changed, 3 insertions(+), 5 deletions(-)
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From: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Priority: low
---
drivers/media/video/mt9m001.c | 20 +++++++++++---------
drivers/media/video/mt9m111.c | 11 +++++------
drivers/media/video/mt9t031.c | 16 ++++++++--------
drivers/media/video/mt9v022.c | 16 ++++++++--------
drivers/media/video/ov772x.c | 6 +++---
drivers/media/video/tw9910.c | 6 +++---
6 files changed, 38 insertions(+), 37 deletions(-)
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From: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Use v4l2_subdev_call() instead of v4l2_device_call_until_err() in all host
drivers and in soc-camera core.
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Priority: low
---
drivers/media/video/mx1_camera.c | 12 ++++------
drivers/media/video/mx3_camera.c | 10 ++++----
drivers/media/video/pxa_camera.c | 9 ++++---
drivers/media/video/sh_mobile_ceu_camera.c | 17 ++++++---------
drivers/media/video/soc_camera.c | 30 ++++++++++++++-------------
include/media/soc_camera.h | 14 +++++++++---
6 files changed, 48 insertions(+), 44 deletions(-)
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From: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Remove set_crop soc-camera device method and switch to s_crop from v4l2-subdev
video operations. Also extend non-i2c drivers to also hold a pointer to their
v4l2-subdev instance in control device driver-data, i.e., in
dev_get_drvdata((struct device *)to_soc_camera_control(icd))
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Priority: low
---
drivers/media/video/mt9m001.c | 23 +++---
drivers/media/video/mt9m111.c | 9 +-
drivers/media/video/mt9t031.c | 9 +-
drivers/media/video/mt9v022.c | 23 +++---
drivers/media/video/mx1_camera.c | 8 ++-
drivers/media/video/mx3_camera.c | 7 +-
drivers/media/video/ov772x.c | 19 -----
drivers/media/video/pxa_camera.c | 7 +-
drivers/media/video/sh_mobile_ceu_camera.c | 110 ++++++++++++++-------------
drivers/media/video/soc_camera.c | 4 +-
drivers/media/video/soc_camera_platform.c | 28 ++++----
drivers/media/video/tw9910.c | 31 ++++----
include/media/soc_camera.h | 3 +-
13 files changed, 142 insertions(+), 139 deletions(-)
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From: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Use host-side image scaling when the client fails to set the requested format.
We also have to take scaling into account when performing host-side cropping.
Similar to cropping we try to use client-side scaling as much as possible to
preserve bus bandwidth and optimise the frame-rate.
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Priority: low
---
drivers/media/video/sh_mobile_ceu_camera.c | 392 +++++++++++++++++++++++-----
1 files changed, 321 insertions(+), 71 deletions(-)
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From: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
The current tw9910 driver does not implement cropping correctly. Therefore, and
also because various rectangles in struct soc_camera_device are in user scale,
we cannot and shall not use rect_current as window location.
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Priority: low
---
drivers/media/video/tw9910.c | 6 ++++--
1 files changed, 4 insertions(+), 2 deletions(-)
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From: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
OV772x sensors cannot crop, they only support two fixed formats: VGA and QVGA.
We should not change the format when requested to crop, only S_FMT can do this.
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Priority: low
---
drivers/media/video/ov772x.c | 17 ++++++++---------
1 files changed, 8 insertions(+), 9 deletions(-)
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From: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Prohibit S_FMT and S_CROP with a different window width or height after video
buffer initialisation. This simplifies the work to be done in specific host and
client drivers, and it doesn't seem to make much sense to allow these changes.
We do however allow S_CROP with equal width and height to just move the window,
this doesn't affect video buffer management and is usually easy enough to
implement.
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Priority: low
---
drivers/media/video/soc_camera.c | 14 ++++++++++++--
1 files changed, 12 insertions(+), 2 deletions(-)
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From: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
V4L2 API mandates, that drivers do not update the argument of the S_CROP
ioctl() with the actual geometry. Comply.
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Priority: low
---
drivers/media/video/soc_camera.c | 39 ++++++++++++++++++++++---------------
1 files changed, 23 insertions(+), 16 deletions(-)
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From: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Priority: low
---
drivers/media/video/tw9910.c | 14 ++++++++++++--
1 files changed, 12 insertions(+), 2 deletions(-)
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From: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Not all video capture devices can configure arbitrary cropping, whereas the
CEU module on SuperH CPUs can crop with pixel precision. However, we want to
use camera cropping if possible to save bandwidth and increase the frame-rate.
This patch verifies whether the camera managed to crop exactly the requested
rectangle, and if not, uses host-side cropping. To be able to crop on CEU we
have to preserve camera rectangle too, for which the host_priv member in
struct soc_camera_device is used. We now allocate memory dynamically, thus we
have to use the .put_formats() method from struct soc_camera_host_ops to free
it.
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Priority: low
---
drivers/media/video/sh_mobile_ceu_camera.c | 309 +++++++++++++++++++++++-----
1 files changed, 259 insertions(+), 50 deletions(-)
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From: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Remove .set_std() method from struct soc_camera_ops, use .s_std() from
struct v4l2_subdev_core_ops instead.
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Priority: low
---
drivers/media/video/soc_camera.c | 7 ++-----
include/media/soc_camera.h | 1 -
2 files changed, 2 insertions(+), 6 deletions(-)
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From: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Patch
[PATCH] video: use videobuf_waiton() in sh_mobile_ceu free_buffer()
was not quite correct. It closed a race, but introduced a potential
lock-up, if for some reason an interrupt does not come. This has been
observed in tests with tw9910. This patch safely dequeues buffers without
waiting for their completion. It also moves a buffer state assignment
under a spinlock to make it atomic with queuing of the buffer.
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Priority: low
---
drivers/media/video/sh_mobile_ceu_camera.c | 27 +++++++++++++++++++++++++++
1 files changed, 27 insertions(+), 0 deletions(-)
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From: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
The move of format translation initialisation into soc_camera_open() was
temporary for the soc-camera as platform driver intermediate step, put it back
into soc_camera_probe(). Also add a .put_formats() method to
soc_camera_host_ops to free any resources host driver might have allocated in
.get_formats().
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Priority: low
---
drivers/media/video/soc_camera.c | 50 ++++++++++++++++++++++++++-----------
include/media/soc_camera.h | 7 +++++
2 files changed, 42 insertions(+), 15 deletions(-)
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From: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
V4L2 drivers are allowed to configure a geometry different than what has been
requested by the user with S_CROP, but then they have to adjust the input
rectangle accordingly. Fix ov772x to comply with this requirement.
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Priority: low
---
drivers/media/video/ov772x.c | 10 ++++++++--
1 files changed, 8 insertions(+), 2 deletions(-)
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From: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
1. soc-camera always requests a valid rectangle, when calling .s_fmt(), no need
to check and adjust
2. in .s_crop(), if the rectangle exceeds sensor limits, push it to the
respective border instead of centering
3. take into account left and top borders when checking
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Priority: low
---
drivers/media/video/mt9t031.c | 18 +++++++++---------
1 files changed, 9 insertions(+), 9 deletions(-)
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From: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Priority: low
---
drivers/media/video/ov772x.c | 11 +++++++----
1 files changed, 7 insertions(+), 4 deletions(-)
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From: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Switch to using struct v4l2_rect in struct soc_camera_device for uniformity and
simplicity.
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Priority: low
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From: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Use the V4L2_CID_SHARPNESS control to switch SH-mobile camera low-pass filter.
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Priority: low
---
drivers/media/video/sh_mobile_ceu_camera.c | 54 +++++++++++++++++++++++++++-
1 files changed, 53 insertions(+), 1 deletions(-)
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From: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Until now soc-camera only supported client (sensor) controls. This patch
enables camera-host drivers to implement their own controls too.
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Priority: low
---
drivers/media/video/soc_camera.c | 24 ++++++++++++++++++++++++
include/media/soc_camera.h | 4 ++++
2 files changed, 28 insertions(+), 0 deletions(-)
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From: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
The V4L2_CID_BAND_STOP_FILTER control is used to switch the "Banding Filter" on
OV772x cameras on and off and to set the minimum AEC value in BDBASE register.
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Priority: low
---
drivers/media/video/ov772x.c | 52 ++++++++++++++++++++++++++++++++++++++++-
1 files changed, 50 insertions(+), 2 deletions(-)
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From: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Add a new V4L2_CID_BAND_STOP_FILTER integer control, which either switches the
band-stop filter off, or sets it to a certain strength.
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Priority: low
---
include/linux/videodev2.h | 3 ++-
1 files changed, 2 insertions(+), 1 deletions(-)
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From: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Convert the soc-camera framework to use the v4l2-(sub)dev API. Start using
v4l2-subdev operations. Only a part of the interface between the
soc_camera core, soc_camera host drivers on one side and soc_camera device
drivers on the other side is replaced so far. The rest of the interface
will be replaced in incremental steps, and will require extensions and,
possibly, modifications to the v4l2-subdev code.
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Priority: low
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From: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
We will be registering and unregistering the soc_camera_platform platform
device multiple times, therefore we need a .release() method and have to
nullify the kobj.
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Cc: Paul Mundt <lethal@linux-sh.org>
Acked-by: Paul Mundt <lethal@linux-sh.org>
Priority: low
---
arch/sh/boards/board-ap325rxa.c | 13 +++++++++++--
1 files changed, 11 insertions(+), 2 deletions(-)
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From: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Priority: low
---
include/media/soc_camera_platform.h | 1 -
1 files changed, 0 insertions(+), 1 deletions(-)
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From: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Update ap325rxa to specify .bus_id in struct soc_camera_link explicitly, remove
unused .iface from struct soc_camera_platform_info.
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Cc: Paul Mundt <lethal@linux-sh.org>
Acked-by: Paul Mundt <lethal@linux-sh.org>
Priority: low
---
arch/sh/boards/board-ap325rxa.c | 3 ++-
1 files changed, 2 insertions(+), 1 deletions(-)
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From: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Convert soc-camera core and all drivers to platform device API. We already
converted platforms to register a platform device for each soc-camera client,
now we remove the compatibility code and switch completely to the new scheme.
This is a preparatory step for the v4l2-subdev conversion.
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Priority: low
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From: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Add a struct device pointer to struct soc_camera_platform_info and let the user
(ap325rxa) pass it down to soc_camera_platform.c in its .add_device() method.
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Cc: Paul Mundt <lethal@linux-sh.org>
Acked-by: Paul Mundt <lethal@linux-sh.org>
Priority: low
---
arch/sh/boards/board-ap325rxa.c | 2 ++
include/media/soc_camera_platform.h | 3 +++
2 files changed, 5 insertions(+), 0 deletions(-)
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From: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
soc_camera_platform.c is only used by y SuperH ap325rxa board. This patch
converts soc_camera_platform.c and its users for the soc-camera platform-
device conversion and also extends soc-camera core to handle non-I2C cameras.
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Cc: Paul Mundt <lethal@linux-sh.org>
Acked-by: Paul Mundt <lethal@linux-sh.org>
Priority: low
---
arch/sh/boards/board-ap325rxa.c | 43 ++++++++++++++++++------
drivers/media/video/soc_camera.c | 61 ++++++++++++++++++++++++++--------
include/media/soc_camera.h | 6 +++
include/media/soc_camera_platform.h | 2 +
4 files changed, 86 insertions(+), 26 deletions(-)
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From: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
kernel-sync:
---
arch/arm/mach-pxa/pcm990-baseboard.c | 54 +++++++++++++++++++++++++++------
1 files changed, 44 insertions(+), 10 deletions(-)
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From: Jean-Francois Moine <moinejf@free.fr>
- bad sensor power
- bad edge gain/threshold
- set back the auto gain
- light frequency filter inverted
Priority: high
Signed-off-by: Jean-Francois Moine <moinejf@free.fr>
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From: Mauro Carvalho Chehab <mchehab@redhat.com>
/marune/build/v4l-dvb-master/v4l/bttv-driver.c:4635: warning: implicit declaration of function 'PCI_VDEVICE'
/marune/build/v4l-dvb-master/v4l/bttv-driver.c:4635: error: 'BROOKTREE' undeclared here (not in a function)
/marune/build/v4l-dvb-master/v4l/bttv-driver.c:4635: error: initializer element is not constant
/marune/build/v4l-dvb-master/v4l/bttv-driver.c:4635: error: (near initialization for 'bttv_pci_tbl[0].vendor')
/marune/build/v4l-dvb-master/v4l/bttv-driver.c:4636: error: initializer element is not constant
/marune/build/v4l-dvb-master/v4l/bttv-driver.c:4636: error: (near initialization for 'bttv_pci_tbl[1].vendor')
/marune/build/v4l-dvb-master/v4l/bttv-driver.c:4637: error: initializer element is not constant
/marune/build/v4l-dvb-master/v4l/bttv-driver.c:4637: error: (near initialization for 'bttv_pci_tbl[2].vendor')
/marune/build/v4l-dvb-master/v4l/bttv-driver.c:4638: error: initializer element is not constant
/marune/build/v4l-dvb-master/v4l/bttv-driver.c:4638: error: (near initialization for 'bttv_pci_tbl[3].vendor')
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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From: Mauro Carvalho Chehab <mchehab@redhat.com>
Instead of just printing the associated devices, go further and display
the device major/minors and the associated event interface. The output
will look like:
device = /dev/video0
bus info = usb-0000:00:1d.7-8
sysfs path = /sys/devices/pci0000:00/0000:00:1d.7/usb1/1-8
Associated devices:
usb_endpoint:usbdev1.8_ep00 (dev 252,20)
i2c-adapter:i2c-4
input:input9:event6 (dev 13,70)
sound:pcmC1D0c (dev 116,9)
sound:dsp1 (dev 14,19)
sound:audio1 (dev 14,20)
sound:controlC1 (dev 116,10)
sound:mixer1 (dev 14,16)
dvb:dvb0.frontend0 (dev 212,0)
dvb:dvb0.demux0 (dev 212,1)
dvb:dvb0.dvr0 (dev 212,2)
dvb:dvb0.net0 (dev 212,3)
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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From: Mauro Carvalho Chehab <mchehab@redhat.com>
Priority: normal
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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From: Mauro Carvalho Chehab <mchehab@redhat.com>
The sysfs interface stores links to the other devices associated with a
V4L link.
Improves this util to display those associated subdevices. This small
tool can be used inside other V4L applications to properly associate
audio, input, sound and dvb devices with a /dev/video? file.
device = /dev/video0
bus info = usb-0000:00:1d.7-8
sysfs path = /sys/devices/pci0000:00/0000:00:1d.7/usb1/1-8
Subdevs: usb_endpoint:usbdev1.8_ep00 i2c-adapter:i2c-4 input:input8
sound:pcmC1D0c sound:dsp1 sound:audio1 sound:controlC1 sound:mixer1
dvb:dvb0.frontend0 dvb:dvb0.demux0 dvb:dvb0.dvr0 dvb:dvb0.net0
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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From: Andy Walls <awalls@radix.net>
DIV_ROUND_CLOSEST() is not available on older kernels. Include compat.h
in a few files to fix building v4l-dvb from mercurial on older kernels.
Reported-by: Lou Otway <lotway@nildram.co.uk>
Reported-by: Avo Aasma <Avo.Aasma@webit.ee>
Signed-off-by: Andy Walls <awalls@radix.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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