- 08 Mar, 2012 26 commits
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Jean-François Moine authored
The low level traces are better done by usbmon. Signed-off-by:
Jean-François Moine <moinejf@free.fr> Signed-off-by:
Mauro Carvalho Chehab <mchehab@redhat.com>
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Jean-François Moine authored
The bridge register 11 reports the current transfer status. This value is used to know about a possible overflow and to adjust the transfer parameters (registers 07 and 08). Signed-off-by:
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Jean-François Moine authored
As the bridge register 08 defines the JPEG compression quality, it must be changed on JPEG quality change and also, the decompression tables must be adjusted when the register varies. [mchehab@redhat.com: replace a // comment by a /* */ one] Signed-off-by:
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Jean-François Moine authored
The auto gain uses the knee algorithm. Adding the setexposure control function forced to: - rename of the previous function setexposure - add a specific auto setting function Signed-off-by:
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Jean-François Moine authored
The get_jcomp control is rarely used and its main information, the JPEG quality, may be found in the images. Signed-off-by:
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Jean-François Moine authored
The autogain was always active. Signed-off-by:
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Jean-François Moine authored
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Jean-François Moine authored
The JPEG header is always the same, so, it does not need to be rebuild each time a new frame is received. Signed-off-by:
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Jean-François Moine authored
- copyright change - use the kbuild module name for messages - change module author - remove '__' from the variable types - use u8 instead of 'unsigned char' - simplify the error messages - remove useless initialization - remove useless traces Signed-off-by:
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Jean-François Moine authored
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Sylwester Nawrocki authored
Initialize the subdev name properly so it doesn't have an I2C bus and slave address appended to it. Signed-off-by:
Sylwester Nawrocki <s.nawrocki@samsung.com> Signed-off-by:
Kyungmin Park <kyungmin.park@samsung.com> Signed-off-by:
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Sylwester Nawrocki authored
Initialize the subdev name properly so it doesn't have an I2C bus and slave address appended to it. Signed-off-by:
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Sylwester Nawrocki authored
Initialize the subdev name properly so it doesn't have an I2C bus and slave address appended to it. Signed-off-by:
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Andrzej Pietrasiewicz authored
Adapt to new controls (subsampling). For encoding, the destination format now needs to be set to V4L2_PIX_FMT_JPEG and the subsampling (4:2:2 or 4:2:0) needs to be set using the respective control (V4L2_CID_JPEG_CHROMA_SUBSAMPLING). Required buffer size for destination image during encoding is no longer deduced from the format (which generally implied overestimation), but needs to be given from userspace in sizeimage. Not strictly related to the added controls, this patch also fixes setting the subsampling of the destination image for decoding, depending on the destination format. Signed-off-by:
Andrzej Pietrasiewicz <andrzej.p@samsung.com> Signed-off-by:
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Kamil Debski authored
Signed-off-by:
Kamil Debski <k.debski@samsung.com> Signed-off-by:
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Sachin Kamat authored
Add support for flipping the image horizontally and vertically. Signed-off-by:
Sachin Kamat <sachin.kamat@linaro.org> Acked-by:
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Kamil Debski authored
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Kamil Debski authored
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Javier Martin authored
Some video devices need to use contiguous memory which is not backed by pages as it happens with vmalloc. This patch provides USERPTR handling for those devices. Signed-off-by:
Javier Martin <javier.martin@vista-silicon.com> Signed-off-by:
Marek Szyprowski <m.szyprowski@samsung.com> Signed-off-by:
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Sylwester Nawrocki authored
The devm_* functions are used in the platform device probe() for data that is freed on driver removal. The managed device layer takes care of undoing actions taken in the probe callback() and freeing resources on driver detach. This eliminates the need for manually releasing resources and simplifies error handling. Signed-off-by:
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Sylwester Nawrocki authored
Add support for cropping and composition setup on the video capture node through VIDIOC_S/G_SELECTION ioctls. S/G_CROP, CROPCAP ioctls are still supported for applications since the core will translate them to *_selection handler calls. Signed-off-by:
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Sylwester Nawrocki authored
Add VIDIOC_PREPARE_BUF and VIDIOC_CREATE_BUFS ioctl handlers to enable support for multi-size buffer queue. Signed-off-by:
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Sylwester Nawrocki authored
The devm_* functions are used in the platform device probe() for data that is freed on driver removal. The managed device layer takes care of undoing actions taken in the probe callback() and freeing resources on driver detach. This eliminates the need for manually releasing resources and simplifies error handling. Signed-off-by:
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Sylwester Nawrocki authored
The driver used the regulator API so it should depend on REGULATOR. [mchehab@redhat.com: break depends on on two lines, instead of using a \] Signed-off-by:
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Sylwester Nawrocki authored
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Gianluca Gennari authored
Il 29/02/2012 22:30, Geert Uytterhoeven ha scritto: > http://kisskb.ellerman.id.au/kisskb/buildresult/5759200/ ERROR: > "__udivdi3" [drivers/media/dvb/frontends/rtl2830.ko] undefined! > The following patch fixed the warning on my 32 bit system. Signed-off-by:
Gianluca Gennari <gennarone@gmail.com> Acked-by:
Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by:
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- 01 Mar, 2012 3 commits
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Sylwester Nawrocki authored
Add short documentation providing the driver usage details. Signed-off-by:
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Sylwester Nawrocki authored
This patch replaces VIDIOC_S/G_JPEGCOMP ioctl handlers with V4L2_CID_JPEG_QUALITY control. Additionally it enables JPEG subsampling and the restart interval configuration through V4L2_CID_JPEG_SUBSAMPLING and V4L2_CID_JPEG_RESTART_INTERVAL controls. For the decoder video node only V4L2_CID_JPEG_SUBSAMPLING is available as a read-only control. Signed-off-by:
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Sylwester Nawrocki authored
This patch is a prerequisite for per file handle control handlers. Signed-off-by:
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- 28 Feb, 2012 11 commits
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Sylwester Nawrocki authored
Add DocBook entries for the JPEG control class. Signed-off-by:
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Sylwester Nawrocki authored
The V4L2_CID_JPEG_CLASS control class is intended to expose various adjustable parameters of JPEG encoders and decoders. Following controls are defined: - V4L2_CID_JPEG_CHROMA_SUBSAMPLING, - V4L2_CID_JPEG_RESTART_INTERVAL, - V4L2_CID_JPEG_COMPRESSION_QUALITY, - V4L2_CID_JPEG_ACTIVE_MARKER. This covers only a part of relevant standard specifications. More controls should be added in future if required. The purpose of V4L2_CID_JPEG_CLASS class is also to replace some functionality covered by VIDIOC_S/G_JPEGCOMP ioctls, i.e. the JPEG markers presence and compression quality control. The applications and drivers should switch from the ioctl to control based API, as described in the subsequent patches for the Media API DocBook. Signed-off-by:
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Michael Krufky authored
Signed-off-by:
Michael Krufky <mkrufky@kernellabs.com> Signed-off-by:
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Antti Palosaari authored
Hardware is not accessible when device is sleeping. Preventing such IOCTLs when sleep should be job of DVB CORE... Signed-off-by:
Antti Palosaari <crope@iki.fi> Signed-off-by:
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Antti Palosaari authored
* some style issues * remove rtl2832u device IDs * move USB IDs to correct place Signed-off-by:
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Antti Palosaari authored
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Antti Palosaari authored
Implement I2C functionality according to real RTL2830 demod. Do not send register page in first byte of each I2C write, instead use logic to set page using own write when needed. Page register is physical register 0 as generally used. Signed-off-by:
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Antti Palosaari authored
It is almost perfect now! Signed-off-by:
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Antti Palosaari authored
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Antti Palosaari authored
Do not return error for demod attach in case of mxl5005s tuner. Signed-off-by:
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Antti Palosaari authored
For now it supports only Realtek RTL2831U chip. RTL2831U is integrated DVB USB interface and DVB-T demod. DVB-T demod integrated to RTL2831U is Realtek RTL2830. Supported tuners are QT1010, MT2060 and MXL5005S. Signed-off-by:
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