- 22 Sep, 2014 4 commits
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Hans Wennborg authored
Just returns whatever error that was returned by the i2c core, in the case of errors, only returning -EREMOTEIO if the transfer size is not what it was expected. Signed-off-by:
Hans Wennborg <hans@hanshq.net> Signed-off-by:
Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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Hans Wennborg authored
The returned code is 0, 1 or an error. It doesn't make sense to print it in hexadecimal. Signed-off-by:
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Andrey Utkin authored
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=81621Reported-by:
David Binderman <dcb314@hotmail.com> Signed-off-by:
Andrey Utkin <andrey.krieger.utkin@gmail.com> Signed-off-by:
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Mauro Carvalho Chehab authored
There are two modprobe parameters for VBI that aren't used anywhere (one for debug, the other one related to the buffer size). Get rid of them! Signed-off-by:
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- 21 Sep, 2014 36 commits
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Morgan Phillips authored
Signed-off-by:
Morgan Phillips <winter2718@gmail.com> Signed-off-by:
Hans de Goede <hdegoede@redhat.com> Signed-off-by:
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Morgan Phillips authored
Signed-off-by:
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Hans Verkuil authored
The norm_swidth function was unused and is dropped. It's not clear what the purpose of that function was. The norm_maxh function was changed so it tests for 60 Hz standards rather than for 50 Hz standards. The is the preferred order. The norm_maxw function was poorly written and used: it gives the maximum allowed line width for the given standard. For 60 Hz that's 720, but for 50 Hz that's 768 which allows for 768x576 which gives you square pixels. For 60 Hz formats it is 640x480 that gives square pixels, so there is no need to go beyond 720. The initial width was set using norm_maxh(), which was wrong. Just set to 720, that's what you normally use. Since the initial standard was NTSC anyway the initial width was always 720 anyway. Signed-off-by:
Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by:
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Hans Verkuil authored
Tested VBI support and discovered that the wrong offset was used. After this change it is now working. Verified with CC/XDS for NTSC and WSS/Teletext on PAL. It also reported the wrong start lines for the second field. That's now fixed as well. Signed-off-by:
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Hans Verkuil authored
Both adv7604 and adv7842 had the same typo in the code that sets the vertical backporch for the second interlaced field: it was assigned to vbackporch instead of il_vbackporch. In addition, the timings struct wasn't zeroed in the adv7842 driver, leaving several fields to undefined values causing the timing match function to fail. Signed-off-by:
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Hans Verkuil authored
If one or both of the timings being compared have the standards field with value 0, then accept that. Only check for matching standards if both timings have actually filled in that field. Otherwise no match will ever be found since when timings are detected the standards field will typically be set to 0 by the driver. Signed-off-by:
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Hans Verkuil authored
This is useful to test teletext capture applications like alevt and mtt. It also fixes a previously undetected bug where the PAL VBI start line of the second field was off by one. Using the new field start defines helps a lot fixing such bugs. Signed-off-by:
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Hans Verkuil authored
G_EDID is an RW ioctl, so the struct v4l2_edid isn't const. Signed-off-by:
Sakari Ailus <sakari.ailus@linux.intel.com> Signed-off-by:
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Guennadi Liakhovetski authored
A test in uvc_video_decode_isoc() checks whether an image has been received from the camera completely. For this the data amount is compared to the buffer length, which, however, doesn't have to be equal to the image size. Switch to using formats .sizeimage field for an exact expected image size. [Renamed image_size to frame_size] Signed-off-by:
Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by:
Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by:
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Mauro Carvalho Chehab authored
drivers/media/usb/hackrf/hackrf.c:64:3: warning: this decimal constant is unsigned only in ISO C90 [enabled by default] .rangehigh = 4294967294, /* max u32, hw goes over 7GHz */ ^ Signed-off-by: -
Antti Palosaari authored
HackRF SDR driver. Video4Linux USB device. Signed-off-by:
Antti Palosaari <crope@iki.fi> Signed-off-by:
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Antti Palosaari authored
V4L2 driver for HackRF SDR. Very basic version, with reduced feature set. Driver implements receiver only, hardware supports also transmitter. USB ID 1d50:6089. Model HackRF One Signed-off-by:
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Laurent Pinchart authored
The ARGB32 pixel format's fourcc value is defined to 'BA24' in the videodev2.h header, but documented as 'AX24'. Fix the documentation. Reported-by:
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Laurent Pinchart authored
The existing RGB555X pixel format is ill-defined in respect to its alpha bit and its meaning is driver dependent. Create new standard ARGB555X and XRGB555X variants with clearly defined meanings and make the existing variant deprecated. The new pixel formats 4CC values have been selected to match the DRM 4CCs for the same in-memory formats. Signed-off-by:
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Laurent Pinchart authored
Replace strncpy + manually setting the terminating '\0' with an strlcpy call. Reported-by:
Joe Perches <joe@perches.com> Signed-off-by:
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Paul Fertser authored
As reported on [1], this device needs this quirk to be able to reliably initialise the webcam. [1] http://ubuntuforums.org/showthread.php?t=2145996 Cc: stable@vger.kernel.org Signed-off-by:
Paul Fertser <fercerpav@gmail.com> Signed-off-by:
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William Manley authored
The uvcvideo webcam driver exposes the v4l2 control "Exposure (Absolute)" which allows the user to control the exposure time of the webcam, essentially controlling the brightness of the received image. By default the webcam automatically adjusts the exposure time automatically but the if you set the control "Exposure, Auto"="Manual Mode" the user can fix the exposure time. Unfortunately it seems that the Logitech C920 has a firmware bug where it will forget that it's in manual mode temporarily during initialisation. This means that the camera doesn't respect the exposure time that the user requested if they request it before starting to stream video. They end up with a video stream which is either too bright or too dark and must reset the controls after video starts streaming. This patch introduces the quirk UVC_QUIRK_RESTORE_CTRLS_ON_INIT which causes the cached controls to be re-uploaded to the camera immediately after initialising the camera. This quirk is applied to the C920 to work around this camera bug. Signed-off-by:
William Manley <will@williammanley.net> Signed-off-by:
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Vincent Palatin authored
Map V4L2_CID_TILT_SPEED and V4L2_CID_PAN_SPEED to the standard UVC CT_PANTILT_RELATIVE_CONTROL terminal control request. Tested by plugging a Logitech ConferenceCam C3000e USB camera and controlling pan/tilt from the userspace using the VIDIOC_S_CTRL ioctl. Verified that it can pan and tilt at the same time in both directions. Signed-off-by:
Vincent Palatin <vpalatin@chromium.org> Reviewed-by:
Pawel Osciak <posciak@chromium.org> Signed-off-by:
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Vincent Palatin authored
The V4L2_CID_PAN_SPEED and V4L2_CID_TILT_SPEED controls allow to move the camera by setting its rotation speed around its axis. Signed-off-by:
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Prabhakar Lad authored
this patch removes unneeded dependency of ARCH_OMAP3 on VIDEO_DM6446_CCDC. Also the top level platform Makefile descended into davinci/ without any dependency so just drop the dependency obj-y, as obj-$(CONFIG_ARCH_DAVINCI) already exists. Reported-by:
Andreas Ruprecht <rupran@einserver.de> Signed-off-by:
Lad, Prabhakar <prabhakar.csengg@gmail.com> Signed-off-by:
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Prabhakar Lad authored
It is possible to call STREAMON without having any buffers queued. So vb2_is_streaming() can return true without start_streaming() having been called. Only after at least one buffer has been queued will start_streaming be called. The check vb2_is_streaming() is incorrect as this would start the DMA without having proper DMA pointers set up. this patch uses vb2_start_streaming_called() instead to check is streaming was called. Signed-off-by:
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Prabhakar Lad authored
It is possible to call STREAMON without having any buffers queued. So vb2_is_streaming() can return true without start_streaming() having been called. Only after at least one buffer has been queued will start_streaming be called. The check vb2_is_streaming() is incorrect as this would start the DMA without having proper DMA pointers set up. this patch uses vb2_start_streaming_called() instead to check is streaming was called. Signed-off-by:
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Prabhakar Lad authored
this patch adds a helper to get the status if start_streaming() was called successfully. Signed-off-by:
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Prabhakar Lad authored
this patch drops setting of vb2 buffer state to VB2_BUF_STATE_ACTIVE, as any buffer queued to the driver is marked ACTIVE by the vb2 core. Signed-off-by:
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Prabhakar Lad authored
this patch drops setting of vb2 buffer state to VB2_BUF_STATE_ACTIVE, as any buffer queued to the driver is marked ACTIVE by the vb2 core. Signed-off-by:
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Hans de Goede authored
All the infrastructure for this is already there, and despite our desires for the old videobuf code to go away, it is currently still in use in 18 drivers. Allowing reqbufs(0) makes these drivers behave consistent with modern drivers, making live easier for userspace, see e.g. : https://bugzilla.gnome.org/show_bug.cgi?id=735660Signed-off-by:
Marek Szyprowski <m.szyprowski@samsung.com> Signed-off-by:
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Hans Verkuil authored
(Changes since v2: dropped local variable as suggested by Laurent) Commit f035eb4e (videobuf2: fix lockdep warning) unfortunately removed the mmap_sem lock that is needed around the call to __qbuf_userptr. Amazingly nobody noticed this (especially me as the author) until Jan Kara pointed this out to me. Signed-off-by:
Jan Kara <jack@suse.cz> Acked-by:
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Rasmus Villemoes authored
Test for definedness of the macro which is actually defined, and which matches the name of the file. Signed-off-by:
Rasmus Villemoes <linux@rasmusvillemoes.dk> Signed-off-by:
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Rasmus Villemoes authored
Three trailing underscores is one too many. Signed-off-by:
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Axel Lin authored
This ensures device->streaming has correct status. Signed-off-by:
Axel Lin <axel.lin@ingics.com> Acked-by:
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Himangi Saraogi authored
This patch introduces the use of the function usb_endpoint_is_int_in. The Coccinelle semantic patch that makes these changes is as follows: @@ struct usb_endpoint_descriptor *epd; @@ - ((epd->bEndpointAddress & \(USB_ENDPOINT_DIR_MASK\|0x80\)) == - \(USB_DIR_IN\|0x80\)) + usb_endpoint_dir_in(epd) @@ struct usb_endpoint_descriptor *epd; @@ - ((epd->bmAttributes & \(USB_ENDPOINT_XFERTYPE_MASK\|3\)) == - \(USB_ENDPOINT_XFER_INT\|3\)) + usb_endpoint_xfer_int(epd) @@ struct usb_endpoint_descriptor *epd; @@ - (usb_endpoint_xfer_int(epd) && usb_endpoint_dir_in(epd)) + usb_endpoint_is_int_in(epd) Signed-off-by:
Himangi Saraogi <himangi774@gmail.com> Acked-by:
Julia Lawall <julia.lawall@lip6.fr> Signed-off-by:
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Antti Palosaari authored
Use RegMap API to handle all the boring I2C register access boilerplate stuff. Signed-off-by:
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Antti Palosaari authored
foo_dev seems to be most correct term for the structure holding data of each device instance. It is most used term in Kernel codebase and also examples from book Linux Device Drivers, Third Edition, uses it. Signed-off-by:
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Antti Palosaari authored
There is no need to print module name nor function name as those are done by kernel logging system when dev_xxx logging is used and driver is proper I2C driver. Signed-off-by:
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Antti Palosaari authored
Convert driver from DVB proprietary model to common I2C model. Signed-off-by:
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Antti Palosaari authored
Used tda18212 tuner is implemented as a I2C driver. Use em28xx tuner I2C client for tda18212 driver. Signed-off-by:
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