- 06 Jul, 2012 40 commits
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Hans Verkuil authored
This documents the new queue->lock and how to use it. It also removes the documentation of v4l2_disable_ioctl_locking: this is only used in gspca and will be removed once gspca has been converted to vb2. Signed-off-by:
Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by:
Mauro Carvalho Chehab <mchehab@redhat.com>
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Hans Verkuil authored
- add device_caps - set colorspace - s_parm should support a fps of 0 (== reset to nominal fps) Signed-off-by:
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Hans Verkuil authored
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Hans Verkuil authored
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Hans Verkuil authored
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Hans Verkuil authored
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Hans Verkuil authored
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Hans Verkuil authored
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Hans Verkuil authored
Add helper functions to make it easier to adapt drivers to vb2. These helpers take care of core locking and check if the filehandle is the owner of the queue. Signed-off-by:
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Hans Verkuil authored
This prepares struct video_device for easier integration with vb2. It also introduces a new lock that protects the vb2_queue. It is up to the driver to use it or not. And the driver can associate an owner filehandle with the queue to check whether queuing requests are permitted for the calling filehandle. Signed-off-by:
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Hans Verkuil authored
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Hans Verkuil authored
This also fixes incorrect error handling in create_bufs: the return code of __vb2_queue_alloc is the number of allocated buffers, and not a traditional error code. Signed-off-by:
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Hans Verkuil authored
Split off the memory and type validation. This is done both from reqbufs and create_bufs, and will also be done by vb2 helpers in a later patch. Signed-off-by:
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Hans Verkuil authored
This is now controlled by sysfs. Signed-off-by:
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Hans Verkuil authored
This is now controlled by sysfs. Signed-off-by:
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Hans Verkuil authored
v4l_i2c_print_ioctl wasn't used and v4l_print_ioctl could be replaced by v4l_printk_ioctl. Signed-off-by:
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Hans Verkuil authored
Since this could theoretically change the debug value while in the middle of v4l2-ioctl.c, we make a copy of vfd->debug to ensure consistent debug behavior. Signed-off-by:
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Hans Verkuil authored
Implement the default case which finalizes the table conversion and allows us to remove the last part of the switch. Signed-off-by:
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Hans Verkuil authored
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Hans Verkuil authored
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Hans Verkuil authored
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Hans Verkuil authored
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Hans Verkuil authored
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Hans Verkuil authored
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Hans Verkuil authored
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Hans Verkuil authored
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Hans Verkuil authored
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Hans Verkuil authored
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Hans Verkuil authored
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Hans Verkuil authored
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Hans Verkuil authored
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Hans Verkuil authored
Add the necessary plumbing to make it possible to replace the switch by a table driven implementation. The ioctls ops can either be called directly, or by calling a small function that does some additional work if needed. Signed-off-by:
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Hans Verkuil authored
The switch statement that determines how much data should be copied from userspace is replaced by a table lookup. Signed-off-by:
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Hans Verkuil authored
A block of code is moved down in the code to make later changes easier. Do just the move without other changes to keep the diff readable for the upcoming patch. Signed-off-by:
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Thomas Betker authored
Add ".has_radio = 1" for BTTV_BOARD_MAGICTVIEW061 because there are some CHP05x/CHP06x boards with a radio tuner. I still have an analog Askey Magic TView card (CHP051, PCI 144f:3002) which I use for radio only. This worked fine with kernel 2.6.37 (openSUSE 11.4), but no longer works with kernel 3.1.10 (openSUSE 12.1). The reason apparently is that ".has_radio = 1" is missing in bttv-cards.c for BTTV_BOARD_MAGICTVIEW061; when I add this line and recompile the kernel, radio is working again. The line is still missing in the latest git tree, for which I have generated the attached patch. I can't test what will happen for CHP05x/CHP06x devices without radio; however, it seems that other cards also have the problem that there are some boards with radio and some without, so I hope that this can be sorted out. Signed-off-by:
Thomas Betker <thomas.betker@freenet.de> Signed-off-by:
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Benoît Thébaudeau authored
Add ADV7393 I²C-based video encoder driver. This driver has been tested on custom hardware. It has been tested for composite output. It is derived from the ADV7343 driver. Signed-off-by:
Benoît Thébaudeau <benoit.thebaudeau@advansee.com> Signed-off-by:
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Mauro Carvalho Chehab authored
Remove variable and ignore return value of stv090x_chk_signal(). Tested by compilation only. [mchehab@redhat.com: instead of reverting and applying V3, applied just the diff patch, for the sake of a cleaner history] Signed-off-by:
Peter Senna Tschudin <peter.senna@gmail.com> Reviewed-by:
Manu Abraham <manu@linuxtv.org> Signed-off-by:
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Laurent Pinchart authored
The alternate setting number is not equal to the alternate setting index in the interface alternate settings table. Use the alternate setting number from the interface descriptor when calling usb_set_interface(). Signed-off-by:
Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by:
Ming Lei <ming.lei@canonical.com> Signed-off-by:
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Jayakrishnan authored
When video endpoint is configured as bulk, a ZLP is sent after every video frames with size as multiple of 512 bytes. This is done so that host can detect end of transfer and pass data for processing. Still, frames that are multiple of 16K in size gets dropped. The ZLP sent by camera is ignored by uvc_video_decode_bulk(). The makes sure that the ZLP is not part of a video frame before ignoring it. If ZLP follows a video frame, then it triggers completion callback. [mchehab@redhat.com: Fix a small CodingStyle issue] Signed-off-by:
Jayakrishnan Memana <jayakrishnan.memana@maxim-ic.com> Signed-off-by:
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Laurent Pinchart authored
Several developers have reported that the lack of macros for the struct uvc_xu_control_query query field in uvcvideo.h was confusing and forced them to look at the driver source code to find out what applications were supposed to pass in that field. Add a comment to the header to clarify the expected usage of the query field. Reported-by:
Paulo Assis <pj.assis@gmail.com> Signed-off-by:
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