- 30 Jun, 2016 4 commits
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git://git.lwn.net/linuxMauro Carvalho Chehab authored
* 'docs-next' of git://git.lwn.net/linux: (64 commits) Add .pyc files to .gitignore Doc: PM: Fix a typo in intel_powerclamp.txt doc-rst: flat-table directive - initial implementation Documentation: add meta-documentation for Sphinx and kernel-doc Documentation: tiny typo fix in usb/gadget_multi.txt Documentation: fix wrong value in md.txt bcache: documentation formatting, edited for clarity, stripe alignment notes bcache: documentation updates and corrections Documentation: add top level 'make help' output for Sphinx Documentation/sphinx: drop modindex, we don't have python modules Documentation/sphinx: add support for specifying extra export files Documentation/sphinx: use a more sensible string split in kernel-doc extension Documentation/sphinx: remove unnecessary temporary variable kernel-doc: unify all EXPORT_SYMBOL scanning to one place kernel-doc: add support for specifying extra files for EXPORT_SYMBOLs kernel-doc: abstract filename mapping kernel-doc: add missing semi-colons in option parsing kernel-doc: do not warn about duplicate default section names kernel-doc: remove old debug cruft from dump_section() docs: kernel-doc: Add "example" and "note" to the magic section types ...
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Jonathan Corbet authored
Signed-off-by:Jonathan Corbet <corbet@lwn.net>
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Masanari Iida authored
This patch fix a spelling typo in intel_powerclamp.txt Signed-off-by:
Masanari Iida <standby24x7@gmail.com> Signed-off-by:
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Markus Heiser authored
Implements the reST flat-table directive. The ``flat-table`` is a double-stage list similar to the ``list-table`` with some additional features: * column-span: with the role ``cspan`` a cell can be extended through additional columns * row-span: with the role ``rspan`` a cell can be extended through additional rows * auto span rightmost cell of a table row over the missing cells on the right side of that table-row. With Option ``:fill-cells:`` this behavior can changed from *auto span* to *auto fill*, which automaticly inserts (empty) list tables The *list tables* formats are double stage lists. Compared to the ASCII-art they migth be less comfortable for readers of the text-files. Their advantage is, that they are easy to create/modify and that the diff of a modification is much more meaningfull, because it is limited to the modified content. The initial implementation was taken from the sphkerneldoc project [1] [1] https://github.com/return42/sphkerneldoc/commits/master/scripts/site-python/linuxdoc/rstFlatTable.pySigned-off-by:
Markus Heiser <markus.heiser@darmarIT.de> [jc: fixed typos and misspellings in the docs] Signed-off-by:
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- 28 Jun, 2016 24 commits
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Laurent Pinchart authored
YUV 4:1:1 uses 12 bits per pixel on average, not 16. Signed-off-by:
Laurent Pinchart <laurent.pinchart@ideasonboard.com> Acked-by:
Sakari Ailus <sakari.ailus@linux.intel.com> Signed-off-by:
Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Laurent Pinchart authored
The formats are interleaved with the YUV packed and miscellaneous formats, making the result confusing especially with the YUV444 format being packed and not planar like YUV410 or YUV420. Move them to their own group as the 2 planes or 3 non-contiguous planes formats to clarify the header. Signed-off-by:
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Ulrich Hecht authored
Adds ioctls DV_TIMINGS_CAP, ENUM_DV_TIMINGS, G_DV_TIMINGS, S_DV_TIMINGS, and QUERY_DV_TIMINGS. Signed-off-by:
Ulrich Hecht <ulrich.hecht+renesas@gmail.com> Signed-off-by:
Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by:
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Ulrich Hecht authored
Fix rcar_vin_try_fmt's use of an inappropriate pad number when calling the subdev set_fmt function - for the ADV7612, IDs should be non-zero. Signed-off-by:
William Towle <william.towle@codethink.co.uk> Reviewed-by:
Rob Taylor <rob.taylor@codethink.co.uk> [ulrich.hecht+renesas@gmail.com: adapted to rcar-vin rewrite] Signed-off-by:
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Ulrich Hecht authored
Add detection of source pad number for drivers aware of the media controller API, so that rcar-vin can create device nodes to support modern drivers such as adv7604.c (for HDMI on Lager) and the converted adv7180.c (for composite) underneath. Building rcar_vin gains a dependency on CONFIG_MEDIA_CONTROLLER, in line with requirements for building the drivers associated with it. Signed-off-by:
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Hans Verkuil authored
The comments for the unlocked v4l2_ctrl_s_ctrl* functions were wrong (copy and pasted from the locked variants). Fix this, since it is confusing. Acked-by:
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Alexey Khoroshilov authored
Memory allocated for maxiradio device is not deallocated when the device is removed. Found by Linux Driver Verification project (linuxtesting.org). Signed-off-by:
Alexey Khoroshilov <khoroshilov@ispras.ru> Signed-off-by:
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Helen Fornazier authored
If *nplanes is not zero, it should use the requested size if valid Signed-off-by:
Helen Koike <helen.koike@collabora.co.uk> Signed-off-by:
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Ismael Luceno authored
Additionally, now it specifies which channels it's showing. Signed-off-by:
Ismael Luceno <ismael@iodev.co.uk> Signed-off-by:
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Laurent Pinchart authored
The dv_timings_cap() and enum_dv_timings() pad operations take a pad number as an input argument and return the DV timings capabilities and list of supported DV timings for that pad. Commit bd3e275f ("[media] media: i2c: adv7604: Use v4l2-dv-timings helpers") broke this as it started ignoring the pad number, always returning the information associated with the currently selected input. Fix it. Fixes: bd3e275f ("[media] media: i2c: adv7604: Use v4l2-dv-timings helpers") Signed-off-by:
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Markus Pargmann authored
This patch adds V4L2 controls for Auto Exposure Control and Auto Gain Control settings. These settings include low pass filter, update frequency of these settings and the update interval for those units. [Avoid forward declarations] [Fix 80 columns limit violation] [Rename controls to avoid underscores in names] [Fix the AEC maximum shutter width on MT9V032] Signed-off-by:
Markus Pargmann <mpa@pengutronix.de> Signed-off-by:
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Markus Pargmann authored
The power_on function of the driver resets the chip and sets the CHIP_CONTROL register to 0. This switches the operating mode to slave. The s_stream function sets the correct mode. But this caused problems on a board where the camera chip is operated as master. The camera started after a random amount of time streaming an image, I observed between 10 and 300 seconds. The STRFM_OUT and STLN_OUT pins are not connected on this board which may cause some issues in slave mode. I could not find any documentation about this. Keeping the chip in master mode after the reset helped to fix this issue for me. Signed-off-by:
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Axel Lin authored
Since commit b4226107 ("regmap: i2c: fallback to SMBus if the adapter does not support standard I2C"), regmap-i2c will check the I2C_FUNC_SMBUS_[BYTE|WORD]_DATA functionality based on the regmap_config setting if the adapter does not support standard I2C. So remove the I2C_FUNC_SMBUS_WORD_DATA functionality check in the driver code. Signed-off-by:
Axel Lin <axel.lin@ingics.com> Signed-off-by:
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Laurent Pinchart authored
The of_gpio.h header isn't needed, don't include it. Reported-by:
Philipp Zabel <p.zabel@pengutronix.de> Signed-off-by:
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Guennadi Liakhovetski authored
If the driver fails to reset the camera or to set up control handlers, it has to power the camera back off. Signed-off-by:
Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by:
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Julia Lawall authored
This v4l2_subdev_internal_ops structure is never modified. All other v4l2_subdev_internal_ops structures are declared as const. Done with the help of Coccinelle. Signed-off-by:
Julia Lawall <Julia.Lawall@lip6.fr> Signed-off-by:
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Sakari Ailus authored
The value is not used after the assignment. Signed-off-by:
Sakari Ailus <sakari.ailus@iki.fi> Signed-off-by:
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Hans Verkuil authored
Users won't know what to put in this module option if it isn't described. Signed-off-by:
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Ezequiel Garcia authored
Audio hw params are shared across all DMA channels, so if the user changes any of these while any DMA channel is enabled, it will impact the enabled channels, potentially causing serious instability issues. This commit avoids such situation, by preventing any hw param change (on any DMA channel) if any other DMA audio channel is capturing. Signed-off-by:
Ezequiel Garcia <ezequiel@vanguardiasur.com.ar> Signed-off-by:
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Ezequiel Garcia authored
Currently, the driver has a fixed period size of 4096 bytes (2048 frames). Since this hardware can configure the audio capture size, this commit allows a period size range of [512-4096]. This is very useful to reduce the audio latency. Signed-off-by:
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Ezequiel Garcia authored
Now that we've introduced the dma_mode parameter to pick the DMA operation, let's use it to also select the audio DMA operation. When dma_mode != memcpy, the driver will avoid using memcpy in the audio capture path, and the DMA hardware operation will act directly on the ALSA buffers. Signed-off-by:
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Ezequiel Garcia authored
Now that the driver has the infrastructure to support more DMA modes, let's add the DMA scatter-gather mode. In this mode, the device delivers sequential top-bottom frames. The scatter-gather logic is based on staging's tw686x-kh driver (by Krzysztof Ha?asa). Tested-by:
Tim Harvey <tharvey@gateworks.com> Signed-off-by:
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Ezequiel Garcia authored
Now that the driver has the infrastructure to support more DMA modes, let's add the DMA contiguous interlaced frame mode. In this mode, the DMA P and B buffers are programmed with the user-provided buffers. When a P (or B) frame is ready, a new buffer is dequeued into P (or B). In addition to interlaced fields, the device can also be programmed to deliver alternate fields. Only interlaced mode is supported for now. Tested-by:
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Ezequiel Garcia authored
Let's set the corner stone to support all the DMA modes available on this device. For stability reasons, the driver is currently setting DMA frame mode, and using single DMA buffers to get the P and B buffers. Each frame is then memcpy'ed into the user buffer. However, other platforms might be interested in avoiding this memcpy, or in taking advantage of the chip's DMA scatter-gather capabilities. To achieve this, this commit introduces a "dma_mode" module parameter, and a tw686x_dma_ops struct. This will allow to define functions to alloc/free DMA buffers, and to return the frames to userspace. The memcpy-based method described above is named as dma_mode="memcpy". Current alloc/free functions are renamed as tw686x_memcpy_xxx, and are now used through a memcpy_dma_ops. Tested-by:
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- 24 Jun, 2016 12 commits
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Mauro Carvalho Chehab authored
Those structs are used only at bdisp-hw, so they shouldn't be there in a header file that it is used elsewhere. This fixes the following Gcc 6.1 warnings: In file included from drivers/media/platform/sti/bdisp/bdisp-debug.c:11:0: drivers/media/platform/sti/bdisp/bdisp-filter.h:207:65: warning: ‘bdisp_v_spec’ defined but not used [-Wunused-const-variable=] static const struct __maybe_unused bdisp_filter_v_spec bdisp_v_spec[] = { ^~~~~~~~~ In file included from drivers/media/platform/sti/bdisp/bdisp-debug.c:11:0: drivers/media/platform/sti/bdisp/bdisp-filter.h:23:65: warning: ‘bdisp_h_spec’ defined but not used [-Wunused-const-variable=] static const struct __maybe_unused bdisp_filter_h_spec bdisp_h_spec[] = { ^~~~~~~~~ Signed-off-by: -
Mauro Carvalho Chehab authored
Gcc 6.1 warns about an unused table: drivers/media/i2c/adv7842.c:2400:27: warning: 'prim_mode_txt' defined but not used [-Wunused-const-variable=] static const char * const prim_mode_txt[] = { ^~~~~~~~~~~~~ That seems to be useful for debug, and likely were used before. While we could simply remove, let's comment it out, for now. Signed-off-by: -
Mauro Carvalho Chehab authored
Gcc 6.1 warns about an unused table: drivers/media/usb/em28xx/em28xx-dvb.c:907:38: warning: 'pctv_461e_m88ds3103_config' defined but not used [-Wunused-const-variable=] static const struct m88ds3103_config pctv_461e_m88ds3103_config = { ^~~~~~~~~~~~~~~~~~~~~~~~~~ That's a left over of patch 76b91be3 ('em28xx: PCTV 461e use I2C client for demod and SEC'). Remove the dead code. Signed-off-by: -
Mauro Carvalho Chehab authored
Gcc 6.1 warns about some unused vars. Remove them: drivers/media/platform/vivid/vivid-vid-cap.c:40:2: warning: 'tpf_default' defined but not used [-Wunused-const-variable=] tpf_default = {.numerator = 1, .denominator = 30}; ^~~~~~~~~~~ drivers/media/platform/vivid/vivid-sdr-cap.c:54:27: warning: 'NUM_FORMATS' defined but not used [-Wunused-const-variable=] static const unsigned int NUM_FORMATS = ARRAY_SIZE(formats); ^~~~~~~~~~~ Signed-off-by: -
Mauro Carvalho Chehab authored
Gcc 6.1 warns about some unused tables: drivers/media/pci/zoran/zr36016.c:251:18: warning: 'zr016_yoff' defined but not used [-Wunused-const-variable=] static const int zr016_yoff[] = { 8, 9, 7 }; ^~~~~~~~~~ drivers/media/pci/zoran/zr36016.c:250:18: warning: 'zr016_xoff' defined but not used [-Wunused-const-variable=] static const int zr016_xoff[] = { 20, 20, 20 }; ^~~~~~~~~~ Those tables aren't used anywere. So, remove them. Signed-off-by: -
Mauro Carvalho Chehab authored
As Gcc6.1 warned, those tables are currently unused: drivers/media/tuners/r820t.c:349:18: warning: 'r820t_mixer_gain_steps' defined but not used [-Wunused-const-variable=] static const int r820t_mixer_gain_steps[] = { ^~~~~~~~~~~~~~~~~~~~~~ drivers/media/tuners/r820t.c:345:18: warning: 'r820t_lna_gain_steps' defined but not used [-Wunused-const-variable=] static const int r820t_lna_gain_steps[] = { ^~~~~~~~~~~~~~~~~~~~ They're actually used only by a routine that it is currently commented out. So, move those tables to be together with such code and comment them out. Signed-off-by: -
Mauro Carvalho Chehab authored
Those tables are currently unused, so comment them out: drivers/media/dvb-frontends/dib0090.c:852:18: warning: 'rf_ramp_pwm_sband' defined but not used [-Wunused-const-variable=] static const u16 rf_ramp_pwm_sband[] = { ^~~~~~~~~~~~~~~~~ drivers/media/dvb-frontends/dib0090.c:800:18: warning: 'bb_ramp_pwm_boost' defined but not used [-Wunused-const-variable=] static const u16 bb_ramp_pwm_boost[] = { ^~~~~~~~~~~~~~~~~ Signed-off-by: -
Mauro Carvalho Chehab authored
Avoid this warning: drivers/media/dvb-frontends/drx39xyj/drxj.c:1243:18: warning: 'nicam_presc_table_val' defined but not used [-Wunused-const-variable=] static const u16 nicam_presc_table_val[43] = { ^~~~~~~~~~~~~~~~~~~~~ Signed-off-by: -
Jani Nikula authored
Describe Sphinx, reStructuredText, the kernel-doc extension, the kernel-doc structured documentation comments, etc. The kernel-doc parts are based on kernel-doc-nano-HOWTO.txt, by Tim <twaugh@redhat.com>. Signed-off-by:
Jani Nikula <jani.nikula@intel.com> Signed-off-by:
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Mauro Carvalho Chehab authored
The PCI device ID table is only used if compiled with modules support. When compiled with modules disabled, this is now producing this bogus warning: drivers/media/pci/cx25821/cx25821-alsa.c:696:35: warning: 'cx25821_audio_pci_tbl' defined but not used [-Wunused-const-variable=] static const struct pci_device_id cx25821_audio_pci_tbl[] = { ^~~~~~~~~~~~~~~~~~~~~ Fix it by annotating that the function may not be used. Signed-off-by: -
Mauro Carvalho Chehab authored
The header file has some private static structures that are used only by the C file. Move those structures to the C file, in order to shut up gcc 6.1 warnings. Signed-off-by: -
Mauro Carvalho Chehab authored
The header file has some private static structures that are used only by the C file. Move those structures to the C file, in order to shut up gcc 6.1 warnings. Signed-off-by:
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