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path: root/drivers/media/video/v4l2-common.c
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* V4L/DVB (13618): v4l2: Adding helper function to get dv preset descriptionMuralidharan Karicheri2009-12-161-0/+47
| | | | | | | | | | This patch adds a helper function to get description of a digital video preset added by the video timing API. This will be useful for drivers implementing the above API. Signed-off-by: Muralidharan Karicheri <m-karicheri2@ti.com> Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* V4L/DVB (13467): V4L2: Added CID's V4L2_CID_ROTATE/BG_COLORVaibhav Hiremath2009-12-051-0/+9
| | | | | | Signed-off-by: Vaibhav Hiremath <hvaibhav@ti.com> Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* V4L/DVB (12540): v4l: simplify v4l2_i2c_new_subdev and friendsHans Verkuil2009-09-191-133/+0
| | | | | | | | | | Rewrite v4l2_i2c_new_subdev as a simplified version of v4l2_i2c_new_subdev_cfg and remove v4l2_i2c_new_probed_subdev and v4l2_i2c_new_probed_subdev_addr. This simplifies this API substantially. Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* V4L/DVB (12549): v4l2: video device: Add FM TX controls default configurationsEduardo Valentin2009-09-121-0/+50
| | | | | | | | | | This patch adds basic configurations for FM TX extended controls. That includes controls names, menu strings, pointer identification, type classification and flags configuration. 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>
* V4L/DVB (12543): v4l: introduce string control support.Hans Verkuil2009-09-121-0/+2
| | | | | | | | The upcoming RDS encoder needs support for string controls. This patch implements the core implementation. Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* V4L/DVB (12003): v4l2: Move bounding code outside I2C ifdef blockTrent Piepho2009-06-231-1/+2
| | | | | | | | | | | | | | | | On Fri, 12 Jun 2009, Randy Dunlap wrote: > From: Randy Dunlap <randy.dunlap@oracle.com> > > Move v4l_bound_align_image() outside of an #ifdef CONFIG_I2C block > so that it is always built. Fixes a build error: clamp_align() should be moved as well, since it's only used by v4l_bound_align_image(). I'm attaching an alternate version that fixes this. Labeled the endif too. Reported-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Trent Piepho <xyzzy@speakeasy.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* V4L/DVB (11901): v4l2: Create helper function for bounding and aligning imagesTrent Piepho2009-06-231-1/+74
| | | | | | | | | | | | | | | | | Most hardware has limits on minimum and maximum image dimensions and also requirements about alignment. For example, image width must be even or a multiple of four. Some hardware has requirements that the total image size (width * height) be a multiple of some power of two. v4l_bound_align_image() will enforce min and max width and height, power of two alignment on width and height, and power of two alignment on total image size. It uses an efficient algorithm that will try to find the "closest" image size that meets the requirements. Signed-off-by: Trent Piepho <xyzzy@speakeasy.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* V4L/DVB (12125): v4l2: add new s_config subdev ops and ↵Hans Verkuil2009-06-231-0/+105
| | | | | | | | | | | | | | | | | | | | v4l2_i2c_new_subdev_cfg/board calls Add a new s_config core ops call: this is called with the irq and platform data to be used to initialize the subdev. Added new v4l2_i2c_new_subdev_cfg and v4l2_i2c_new_subdev_board calls that allows you to pass these new arguments. The existing v4l2_i2c_new_subdev functions were modified to also call s_config. In the future the existing v4l2_i2c_new_subdev functions will be replaced by a single v4l2_i2c_new_subdev function similar to v4l2_i2c_new_subdev_cfg but without the irq and platform_data arguments. Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* V4L/DVB (11673): v4l2-device: unregister i2c_clients when unregistering the ↵Hans Verkuil2009-06-161-0/+1
| | | | | | | | | | | | | v4l2_device. Until now I relied on i2c_del_adapter to unregister the i2c_clients for me, however, if the i2c bus is a platform bus then it is never deleted. So instead I need to unregister i2c clients when unregistering the v4l2_device. Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* V4L/DVB (11670): tuner: remove tuner_i2c_address_checkHans Verkuil2009-06-161-2/+1
| | | | | | | | | | | | | Support for tuners with i2c addresses >= 0x65 is dropped since no tuners with addresses in the range 0x65-0x6f have been found. This patch removes addresses 0x65-0x6f from the list of tuner probe addresses, it removes the kernel warning that warned if addresses in this range appeared, and it removed a hack for the cx88 that is no longer needed now that the tuner address range is reduced. Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* V4L/DVB (11373): v4l2-common: add explicit v4l2_device pointer as first arg ↵Hans Verkuil2009-04-061-14/+10
| | | | | | | | | | | | to new_(probed)_subdev The functions v4l2_i2c_new_subdev and v4l2_i2c_new_probed_subdev relied on i2c_get_adapdata to return the v4l2_device. However, this is not always possible on embedded platforms. So modify the API to pass the v4l2_device pointer explicitly. Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* V4L/DVB (11374): v4l2-common: add v4l2_i2c_new_probed_subdev_addrHans Verkuil2009-04-061-0/+11
| | | | | | | | Add utility function to probe for a single address, rather than a list of addresses. Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* V4L/DVB (11367): v4l2-common: remove legacy codeHans Verkuil2009-04-061-26/+1
| | | | | | | | | Now that all drivers are converted to v4l2_subdev we can remove legacy code in v4l2-common. Also move the documentation of the internal API to v4l2-subdev.h where it really belongs. Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* V4L/DVB (11098): v4l2-common: remove incorrect MODULE testHans Verkuil2009-03-301-4/+4
| | | | | | | | | v4l2-common doesn't have to be a module for it to call request_module(). Just remove that test. Thanks-to: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* V4L/DVB (11095): adds V4L2_CID_SHARPNESS to v4l2_ctrl_query_fill()Janne Grunau2009-03-301-0/+1
| | | | | Signed-off-by: Janne Grunau <j@jannau.net> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* V4L/DVB (10983): v4l2-common: add missing i2c_unregister_device.Hans Verkuil2009-03-301-5/+16
| | | | | | | | | If the i2c sub-device cannot be found, then we must unregister the i2c_client. Otherwise this will prevent a possible probe for a different device on that same address. Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* V4L/DVB (10698): v4l2-common: remove v4l2_ctrl_query_fill_stdHans Verkuil2009-03-301-145/+0
| | | | | | | | | | | | The v4l2_ctrl_query_fill_std() function wasn't one the best idea I ever had. It doesn't add anything valuable that cannot be expressed equally well with v4l2_ctrl_query_fill and only adds overhead. Replace it with v4l2_ctrl_query_fill() everywhere it is used and remove it from v4l2_common.c. Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* V4L/DVB (10691): v4l2-common: add v4l2_i2c_subdev_addr()Hans Verkuil2009-03-301-0/+9
| | | | | | | | Add small function to retrieve the i2c address from a v4l2_subdev pointer. Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* V4L/DVB (10687): v4l2-common/v4l2-spec: support/document write-only and ↵Hans Verkuil2009-03-301-5/+24
| | | | | | | | | | | | | | button controls The controls V4L2_CID_PAN_RESET and V4L2_CID_TILT_RESET changed their type to button controls (these are unused at the moment, so this is a safe change). The controls V4L2_CID_PAN_RELATIVE, V4L2_CID_TILT_RELATIVE, V4L2_CID_FOCUS_RELATIVE and V4L2_CID_ZOOM_RELATIVE are marked as write-only controls. Cc: Laurent Pinchart <laurent.pinchart@skynet.be> Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* V4L/DVB (10685): v4l2: add colorfx support to v4l2-common.c, and add to ↵Hans Verkuil2009-03-301-0/+12
| | | | | | | 'Changes' in spec. Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* V4L/DVB (10544): v4l2-common: add comments warning that about the sort orderHans Verkuil2009-03-301-1/+1
| | | | | | | | | Control arrays as are used with v4l2_ctrl_next must be sorted from low to high. Add a comment at the top of all such arrays to warn about this. Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* V4L/DVB (10249): v4l2-common: added v4l2_i2c_tuner_addrs()Hans Verkuil2009-03-301-0/+36
| | | | | | | | | Add v4l2_i2c_tuner_addrs() to obtain the various I2C tuner addresses. This will be used in several drivers, so make this a common function as we do not want to have these I2C addresses all over the place. Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* V4L/DVB (10244): v4l2: replace a few snprintfs with strlcpyHans Verkuil2009-03-301-4/+4
| | | | | Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* V4L/DVB (10141): v4l2: debugging API changed to match against driver name ↵Hans Verkuil2009-01-021-9/+20
| | | | | | | | | | | | | | | | instead of ID. Since the i2c driver ID will be removed in the near future we have to modify the v4l2 debugging API to use the driver name instead of driver ID. Note that this API is not used in applications other than v4l2-dbg.cpp as it is for debugging and testing only. Should anyone use the old VIDIOC_G_CHIP_IDENT, then this will be logged with a warning that it is deprecated and will be removed in 2.6.30. Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* V4L/DVB (9899): v4l2: Add missing control namesLaurent Pinchart2008-12-301-11/+77
| | | | | | | | Update v4l2_ctrl_get_name() and v4l2_ctrl_get_menu() with missing control names and menu values. Signed-off-by: Laurent Pinchart <laurent.pinchart@skynet.be> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* V4L/DVB (9821): v4l2-common: add i2c helper functionsHans Verkuil2008-12-301-0/+113
| | | | | | | | Add helper functions to load i2c sub-devices, integrating them into the v4l2-framework. Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* V4L/DVB (9491): rationalise addresses to one common oneAlan Cox2008-12-291-1/+1
| | | | | Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* remove CONFIG_KMOD from driversJohannes Berg2008-10-171-4/+0
| | | | | | | | | | | | | Straight forward conversions to CONFIG_MODULE; many drivers include <linux/kmod.h> conditionally and then don't have any other conditional code so remove it from those. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Cc: video4linux-list@redhat.com Cc: David Woodhouse <dwmw2@infradead.org> Cc: linux-ppp@vger.kernel.org Cc: dm-devel@redhat.com Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
* V4L/DVB (8649): v4l2: add AAC bitrate controlHans Verkuil2008-10-121-0/+3
| | | | | | | | If you can select AAC as audio encoder, then you should also be able to set the bitrate. Add this missing control. Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* V4L/DVB (8639): saa6752hs: cleanup and add AC-3 supportHans Verkuil2008-10-121-1/+5
| | | | | | | | | Cleaned up the saa6752hs i2c driver. Add AC-3 support. Add VIDIOC_CHIP_IDENT support. Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* V4L/DVB (8637): v4l2: add v4l2_ctrl_query_menu_valid_items support functionHans Verkuil2008-10-121-1/+22
| | | | | | | | | | | v4l2_ctrl_query_menu_valid_items() makes it easy to handle control menus that have a lot of invalid 'holes'. For example, many MPEG encoders only support a limited subset of audio bitrates. In that case a driver can specify an array listing the set of valid bitrates and pass that to this function. Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* V4L/DVB (8636): v4l2: add v4l2_ctrl_get_name control support function.Hans Verkuil2008-10-121-50/+59
| | | | | | | | | Add function that returns the control name. Allows this to be used in places where the normal v4l2_ctrl_query_fill() function cannot be used (e.g. uvc). Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* V4L/DVB (8635): v4l: add AC-3 audio support to the MPEG Encoding APIHans Verkuil2008-10-121-5/+37
| | | | | | | | Some models of the saa6752hs support AC-3. Extend the API with the necessary controls for AC-3. Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* V4L/DVB (8634): v4l2: extend MPEG Encoding API with AVC and AACJanne Grunau2008-10-121-6/+8
| | | | | | | | | | Adds Advanced Audio Coding (AAC) and MPEG-4 Advanced Video Coding (AVC/H.264) as audio/video codecs to the extended controls API. Updates cx2341x driver to the new values. Signed-off-by: Janne Grunau <j@jannau.net> Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* V4L/DVB (8487): videodev: replace videodev.h includes by videodev2.h where ↵Hans Verkuil2008-07-261-1/+1
| | | | | | | | | possible Several V4L2 drivers still included videodev.h. Fix this. Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
* i2c: Add support for device alias namesJean Delvare2008-04-291-2/+3
| | | | | | | | | | | | | | Based on earlier work by Jon Smirl and Jochen Friedrich. This patch allows new-style i2c chip drivers to have alias names using the official kernel aliasing system and MODULE_DEVICE_TABLE(). At this point, the old i2c driver binding scheme (driver_name/type) is still supported. Signed-off-by: Jean Delvare <khali@linux-fr.org> Cc: Jochen Friedrich <jochen@scram.de> Cc: Jon Smirl <jonsmirl@gmail.com> Cc: Kay Sievers <kay.sievers@vrfy.org>
* media: fix integer as NULL pointer warningsHarvey Harrison2008-04-281-1/+1
| | | | | | | | | | | | | | | | | | | drivers/media/video/v4l2-common.c:719:16: warning: Using plain integer as NULL pointer drivers/media/video/au0828/au0828-dvb.c:122:19: warning: Using plain integer as NULL pointer drivers/media/video/ivtv/ivtv-yuv.c:1101:22: warning: Using plain integer as NULL pointer drivers/media/video/ivtv/ivtv-yuv.c:1102:23: warning: Using plain integer as NULL pointer drivers/media/video/pvrusb2/pvrusb2-audio.c:78:39: warning: Using plain integer as NULL pointer drivers/media/video/pvrusb2/pvrusb2-video-v4l.c:84:39: warning: Using plain integer as NULL pointer drivers/media/video/pvrusb2/pvrusb2-v4l2.c:1264:9: warning: Using plain integer as NULL pointer drivers/media/video/pvrusb2/pvrusb2-context.c:197:28: warning: Using plain integer as NULL pointer drivers/media/video/pvrusb2/pvrusb2-cx2584x-v4l.c:126:39: warning: Using plain integer as NULL pointer drivers/media/video/pvrusb2/pvrusb2-dvb.c:133:32: warning: Using plain integer as NULL pointer drivers/media/video/pvrusb2/pvrusb2-dvb.c:145:31: warning: Using plain integer as NULL pointer drivers/media/video/pvrusb2/pvrusb2-dvb.c:177:55: warning: Using plain integer as NULL pointer drivers/media/video/videobuf-core.c:100:9: warning: Using plain integer as NULL pointer Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* V4L/DVB (7133): Fix Kconfig dependenciesMauro Carvalho Chehab2008-02-181-339/+12
| | | | | | | | | | | | | | | | | As pointed by Adrian Bunk, with I2C=m and VIDEO_DEV=y, videodev brokes. This patch moves the functions that videodev needs from v4l2-common. It also fixes some Kconfig changes. After this patch, I2C=m / VIDEO_DEV=y will make v4l2 core statically linked into kernel. v4l2-common will be m, and all V4L drivers will also be m. This approach is very conservative, since it is possible to have V4L drivers that don't need I2C or v4l2-common. The better is to map what drivers really need v4l2-common, making them to select v4l2-common, and allowing the others to be 'y', 'm' and 'n'. Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
* V4L/DVB (7119): Remove obsolete code from v4l2-commonMauro Carvalho Chehab2008-02-181-6/+0
| | | | Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
* V4L/DVB (7115): Fix bug #9833: regression when compiling V4L without I2CMauro Carvalho Chehab2008-02-181-22/+16
| | | | | | | | | | | | | | | | | | | | | | | Adrian Bunk reported: > > Commit 8ffbc6559493c64d6194c92d856196fdaeb8a5fb causes the following > > compile error with CONFIG_VIDEO_DEV=y/m, CONFIG_I2C=n: > > > > <-- snip --> > > > > ... > > MODPOST 26 modules > > ERROR: "i2c_attach_client" [drivers/media/video/v4l2-common.ko] undefined! > > make[2]: *** [__modpost] Error 1 > > > > <-- snip --> ... And what should happen if CONFIG_VIDEO_DEV=y, CONFIG_I2C=m? CC: Adrian Bunk <bunk@kernel.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
* V4L/DVB (6467): v4l2-common: minor cleanupsHans Verkuil2008-01-251-3/+2
| | | | | Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
* V4L/DVB (6465): Use correct error codes when chip is not recognizedHans Verkuil2008-01-251-1/+1
| | | | | | | | | | If the chip isn't recognized, then the correct errors should be returned. The v4l2_i2c_attach() utility function will return 0 for all errors except -ENOMEM to provide proper compatibility support for the old I2C probing function. Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
* V4L/DVB (6451): v4l2: add support for bus-based I2C driversHans Verkuil2008-01-251-0/+31
| | | | | | | | | | | | | | | | Two new headers were added: one for I2C drivers that are only used by V4L2 drivers converted to the new bus-based I2C API, and one that can be used by both converted and unconverted drivers (at the expense of some additional overhead). To support the legacy I2C API a helper function was added to v4l2-common.c. These headers take care of all the 'boilerplate' code that all V4L2 I2C drivers have in common and will automatically support the bus-based I2C API introduced in kernel 2.6.22. Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
* V4L/DVB (6384): Replace TDA9887_SET_CONFIG by TUNER_SET_CONFIGMauro Carvalho Chehab2008-01-251-1/+1
| | | | | | | | | | | | | Currently, the only tuner-specific device that allows special configurations is tda9887. However, tea5767 also may require some special configurations (for example, to specify a different Xtal freq). This patch replaces TDA9887_SET_CONFIG by a more generic internal ioctl (TUNER_SET_CONFIG). The newer one allows specifying what tuner is appliable to a configuration set, and allows an arbitrary configuration struct. Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
* V4L/DVB (6321): Remove obsolete VIDIOC_S/G_MPEGCOMP ioctlsHans Verkuil2007-10-221-2/+0
| | | | | | | | Remove the obsolete VIDIOC_G_MPEGCOMP and VIDIOC_S_MPEGCOMP ioctls from the V4L2 API as per the removal schedule (October 2007). Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
* Convert files to UTF-8 and some cleanupsJan Engelhardt2007-10-191-1/+1
| | | | | | | | | | | | | | | | | | * Convert files to UTF-8. * Also correct some people's names (one example is Eißfeldt, which was found in a source file. Given that the author used an ß at all in a source file indicates that the real name has in fact a 'ß' and not an 'ss', which is commonly used as a substitute for 'ß' when limited to 7bit.) * Correct town names (Goettingen -> Göttingen) * Update Eberhard Mönkeberg's address (http://lkml.org/lkml/2007/1/8/313) Signed-off-by: Jan Engelhardt <jengelh@gmx.de> Signed-off-by: Adrian Bunk <bunk@kernel.org>
* V4L/DVB (6289): Remove reference to dead CONFIG_UST and ust.h headerRobert P. J. Day2007-10-101-5/+0
| | | | | Signed-off-by: Robert P. J. Day <rpjday@mindspring.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
* V4L/DVB (6088): cx2341x: some controls can't be changed while the device is busyHans Verkuil2007-10-091-0/+1
| | | | | | | | | | | | | | The driver should now pass the 'busy' state of the device to the cx2341x module whenever controls are set or tried. -EBUSY will be returned if the device is busy and the user attempts to modify certain 'dangerous' controls. It concerns controls that change the audio or video compression mode and bitrates. The cx88-blackbird and pvrusb2 drivers currently always pass '0' (not busy) to the cx2341x, effectively keeping the old behavior for now. Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
* V4L/DVB (5869): Add check for valid control ID to v4l2_ctrl_next.Hans Verkuil2007-07-201-5/+14
| | | | | | | | | If v4l2_ctrl_next is called without the V4L2_CTRL_FLAG_NEXT_CTRL then it should check whether the passed control ID is valid and return 0 if it isn't. Otherwise a for-loop over the control IDs will never end. Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
* header cleaning: don't include smp_lock.h when not usedRandy Dunlap2007-05-081-1/+0
| | | | | | | | | | | | Remove includes of <linux/smp_lock.h> where it is not used/needed. Suggested by Al Viro. Builds cleanly on x86_64, i386, alpha, ia64, powerpc, sparc, sparc64, and arm (all 59 defconfigs). Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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