- 12 Oct, 2008 40 commits
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Hans Verkuil authored
Cleanup v4l2-dev.[ch], add/improve comments and add a new helper function: video_drvdata() that can get the private driver data from a file struct. Signed-off-by:
Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by:
Mauro Carvalho Chehab <mchehab@redhat.com>
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Hans Verkuil authored
Remove the priv field and let video_get/set_drvdata use dev_get_drvdata and dev_set_drvdata instead. Convert all drivers that still used priv directly. Signed-off-by:
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Hans Verkuil authored
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Hans Verkuil authored
Now that all drivers set the release callback in the video_device struct we can put in a BUG_ON in video_register_device to ensure that the callback is always there. Signed-off-by:
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Hans Verkuil authored
All drivers that call video_device_register where checked to see if they set the release callback of struct video_device. Where that callback was missing it was added. Signed-off-by:
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Hans Verkuil authored
Add a second release function: video_device_release_empty It can be used by drivers that have statically allocated video_device structs. Its use usually, but not always, indicates laziness on the part of the driver programmer. Signed-off-by:
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Hans Verkuil authored
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Hans Verkuil authored
Handle the video_exclusive_open/release functionality inside the driver. Signed-off-by:
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Hans Verkuil authored
Move the video_exclusive_open/release functionality into the driver itself. Signed-off-by:
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Hans Verkuil authored
Move the video_exclusive_open/release functionality into the driver itself. Signed-off-by:
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Andy Walls authored
cx18: Have CX23418 release buffers at end of capture. The CX23418 reuses task handles so we need to have it release the buffers associated with a task handle at the end of a capture. If we don't, buffer ids used for one type of stream in the driver (MPEG, TS, PCM), could be used for another type of stream by the CX23418, if a previously used handle is assigned to a different type of stream. The driver would drop valid buffers when this happened. Signed-off-by:
Andy Walls <awalls@radix.net> Signed-off-by:
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Andy Walls authored
cx18: Fix cx18_find_handle() and add error checking. cx18_find_handle() did not find a good task handle and would use the invalid task handle under common conditions. Added a define for the invalid task handle and added error checking as well. Signed-off-by:
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Andy Walls authored
cx18: Convert cx18_queue buffers member to atomic_t. This allows safe concurrent access to check if a queue has data without having to acquire the queue spinlock. Signed-off-by:
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Andy Walls authored
cx18: Remove redundant struct cx18_queue length member. It can be trivially computed from queue->buffers * stream->buf_size, if ever really needed. Signed-off-by:
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Andy Walls authored
cx18: get rid of ununsed buffers stolen field. It's an unused holdover from ivtv. Signed-off-by:
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Laurent Pinchart authored
When a suspended device has been reset instead of being resumed, USB core calls the reset_resume method if available instead of unbinding and rebinding the device. This patch implements reset_resume by reusing the current resume implementation and simplifies the resume method by skipping the controls restore stage. Resuming from autosuspend should be faster. Signed-off-by:
Laurent Pinchart <laurent.pinchart@skynet.be> Signed-off-by:
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Dean Anderson authored
Fix for reloading firmware when removing and reloading driver Handshaking for firmware loading and changing modes. Removes the restriction of one user per channel at a time. JPEG capture mode added. Signed-off-by:
Dean Anderson <dean@sensoray.com> Signed-off-by:
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Henrik Kretzschmar authored
Better check the video_device pointer before using it. Signed-off-by:
Henrik Kretzschmar <henne@nachtwindheim.de> Signed-off-by:
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Henrik Kretzschmar authored
The return vaule of the probe function should return -ENOMEM instead of -EBUSY if video_device_alloc() fails. Signed-off-by:
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Hans Verkuil authored
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Hans Verkuil authored
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Harvey Harrison authored
___swab32 is an internal detail of the implementation. Acked-by:
Mike Isely <isely@pobox.com> Signed-off-by:
Harvey Harrison <harvey.harrison@gmail.com> Signed-off-by:
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Antoine Jacquet authored
Signed-off-by:
Antoine Jacquet <royale@zerezo.com> Signed-off-by:
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Antoine Jacquet authored
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Antoine Jacquet authored
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Antoine Jacquet authored
Remove the dtv5100-fe.c dummy frontend and replace it by the real frontend for the chipset. Signed-off-by:
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Antoine Jacquet authored
Basic support for AME DTV-5100 USB2.0 DVB-T using the qt1010 tuner and a dummy frontend. Signed-off-by:
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Antoine Jacquet authored
Count the users and do not use video_exclusive_open() anymore. Signed-off-by:
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Antoine Jacquet authored
Remove the Big Kernel Lock from zr364xx driver after pushdown. Now using an internal locking mecanism on open(). Signed-off-by:
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Mauro Carvalho Chehab authored
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Julia Lawall authored
The kernel.h macro DIV_ROUND_UP performs the computation (((n) + (d) - 1) / (d)) but is perhaps more readable. An extract of the semantic patch that makes this change is as follows: (http://www.emn.fr/x-info/coccinelle/) // <smpl> @haskernel@ @@ @depends on haskernel@ expression n,d; @@ ( - (n + d - 1) / d + DIV_ROUND_UP(n,d) | - (n + (d - 1)) / d + DIV_ROUND_UP(n,d) ) @depends on haskernel@ expression n,d; @@ - DIV_ROUND_UP((n),d) + DIV_ROUND_UP(n,d) @depends on haskernel@ expression n,d; @@ - DIV_ROUND_UP(n,(d)) + DIV_ROUND_UP(n,d) // </smpl> Signed-off-by:
Julia Lawall <julia@diku.dk> Signed-off-by:
Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
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Harvey Harrison authored
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Felipe Balbi authored
This driver sure needs some rework. For now, let's try to clean it up a bit before start reimplementing anything. checkpatch.pl still not happy with this driver after this patch, but the most annoying errors are gone, comments now use C-style only, labels are well placed and some other minor fixes. Some more clean up patches will come as I work on this driver. Please review it carefully. Cc: Mauro Carvalho Chehab <mchehab@infradead.org> Cc: Henk Vergonet <henk.vergonet@gmail.com> [mchehab@infradead.org: Manually fixed some conflicts with a previous patch] Signed-off-by:
Felipe Balbi <felipe.balbi@nokia.com> Signed-off-by:
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Hans Verkuil authored
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Hans Verkuil authored
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Hans Verkuil authored
This driver is for VERY old i2c-over-parallel port teletext receiver boxes. Rather then spending effort on converting this driver to V4L2, and since it is extremely unlikely that anyone still uses one of these devices, it was decided to drop it (after discussing this as well with the original author, Phil Blundell). Signed-off-by:
Phil Blundell <philb@gnu.org> Signed-off-by:
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Hans Verkuil authored
Old driver for the dpc7146 demonstration board that is no longer relevant. The last time this was tested on actual hardware was probably around 2002. Since this is a driver for a demonstration board the decision was made (after discussing this with the original author, Michael Hunold) to remove it rather than spending a lot of effort continually updating this driver to stay in sync with the latest internal V4L2 or I2C API. Signed-off-by:
Michael Hunold <hunold@linuxtv.org> Signed-off-by:
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Stefan Herbrechtsmeier authored
Make .power and .reset callbacks per camera instead of per host, also move their invocation to camera drivers. .arch/arm/mach-pxa/include/mach/camera.h | 2 - Signed-off-by:
Stefan Herbrechtsmeier <hbmeier@hni.uni-paderborn.de> Signed-off-by:
Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by:
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Guennadi Liakhovetski authored
Fix a typo in Kconfig, simplify error checking, further minor cleanup. Tested-by:
Robert Jarzmik <robert.jarzmik@free.fr> Signed-off-by:
Guennadi Liakhovetski <g.iakhovetski@gmx.de> Signed-off-by:
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Guennadi Liakhovetski authored
i2c_smbus_write_word_data() returns 0 or a negative error, hence no need to check for "> 0". Signed-off-by:
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