Commit Graph

427613 Commits

Author SHA1 Message Date
Marcus Folkesson e01c15dbbd [media] media: i2c: Kconfig: create dependency to MEDIA_CONTROLLER for adv7*
These chips makes use of the media_entity in the v4l2_subdev struct
and is therefor dependent of the  MEDIA_CONTROLLER config.

Signed-off-by: Marcus Folkesson <marcus.folkesson@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
2014-03-11 10:53:29 -03:00
Gianluca Gennari 90d9c3e1ed [media] drx39xyj: fix 64 bit division on 32 bit arch
Fix this linker warning:
WARNING: "__divdi3" [media_build/v4l/drx39xyj.ko] undefined!

[m.chehab@samsung.com: add include for asm/div64.h]
Signed-off-by: Gianluca Gennari <gennarone@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
2014-03-11 10:50:36 -03:00
Hans Verkuil 5c3112b5be [media] mem2mem_testdev: improve field handling
try_fmt should just set field to NONE and not return an error if
a different field was passed.

buf_prepare should check if the field passed in from userspace has a
supported field value. At the moment only NONE is supported and ANY
is mapped to NONE.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Kamil Debski <k.debski@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
2014-03-11 10:34:56 -03:00
Hans Verkuil ca5f5fdb29 [media] mem2mem_testdev: fix field, sequence and time copying
- Set the sequence counters correctly.
- Copy timestamps, timecode, relevant buffer flags and field from
  the received buffer to the outgoing buffer.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Kamil Debski <k.debski@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
2014-03-11 10:34:36 -03:00
Hans Verkuil a773632c1f [media] mem2mem_testdev: return pending buffers in stop_streaming()
To keep the vb2 buffer administration in balance stop_streaming() must
return any pending buffers to the vb2 framework.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Kamil Debski <k.debski@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
2014-03-11 10:31:45 -03:00
Hans Verkuil 782f36ca69 [media] mem2mem_testdev: add USERPTR support
There is no reason why we shouldn't enable this here.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Kamil Debski <k.debski@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
2014-03-11 10:31:19 -03:00
Hans Verkuil f063bb6638 [media] mem2mem_testdev: set priv to 0
v4l2_compliance fix.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Kamil Debski <k.debski@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
2014-03-11 10:31:04 -03:00
Hans Verkuil 4e8ec0a46f [media] mem2mem_testdev: pick default format with try_fmt
This resolves an issue raised by v4l2-compliance: if the given format does
not exist, then pick a default format.

While there is an exception regarding this for TV capture drivers, this
m2m driver should do the right thing.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Kamil Debski <k.debski@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
2014-03-11 10:30:08 -03:00
Hans Verkuil 4340583159 [media] mem2mem_testdev: use 40ms default transfer time
The default of 1 second is a bit painful, switch to a 25 Hz framerate.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Kamil Debski <k.debski@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
2014-03-11 10:29:38 -03:00
Seung-Woo Kim ad7f22b55d [media] s5p-mfc: remove meaningless memory bank assignment
This patch removes meaningless assignment of memory bank to itself.

Signed-off-by: Seung-Woo Kim <sw0312.kim@samsung.com>
Acked-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Kamil Debski <k.debski@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
2014-03-11 10:29:09 -03:00
Joonyoung Shim d0ce898c39 [media] s5p-mfc: Replaced commas with semicolons
There is no any reason to use comma here.

Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com>
Signed-off-by: Kamil Debski <k.debski@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
2014-03-11 10:28:49 -03:00
Lars-Peter Clausen e246c3332d [media] adv7180: Add support for power down
The adv7180 has a low power mode in which the analog and the digital processing
section are shut down. Implement the s_power callback to let bridge drivers put
the part into low power mode when not needed.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
2014-03-11 10:26:38 -03:00
Lars-Peter Clausen fa5b7945ae [media] adv7180: Add support for async device registration
Add support for async device registration to the adv7180 driver.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
2014-03-11 10:26:15 -03:00
Lars-Peter Clausen 0c25534d45 [media] adv7180: Use threaded IRQ instead of IRQ + workqueue
The proper way to handle IRQs that need to be able to sleep in their IRQ handler
is to use a threaded IRQ.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
2014-03-11 10:25:58 -03:00
Lars-Peter Clausen 7933c177fa [media] adv7180: Remove duplicated probe error message
The device driver core already prints out a very similar message when a driver
fails to probe. No need to print one in the driver itself.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
2014-03-11 10:25:05 -03:00
Lars-Peter Clausen 3de0a91156 [media] adv7180: Remove unnecessary v4l2_device_unregister_subdev() from probe error path
The device can't possibly be registered at this point, so no need to to call
v4l2_device_unregister_subdev().

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
2014-03-11 10:24:49 -03:00
Lars-Peter Clausen b13f4af25c [media] adv7180: Free control handler on remove()
Make sure to free the control handler when the device is removed.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
2014-03-11 10:23:35 -03:00
Lars-Peter Clausen 297a0ae32b [media] adv7180: Fix remove order
The mutex is used in the subdev callbacks, so unregister the subdev before the
mutex is destroyed.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
2014-03-11 10:21:55 -03:00
Hans Verkuil e25436581f [media] DocBook v4l2: update the G/S_EDID documentation
Document that it is now possible to call G/S_EDID from video nodes, not
just sub-device nodes. Add a note that -EINVAL will be returned if
the pad does not support EDIDs.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
2014-03-11 10:13:58 -03:00
Hans Verkuil b09dfac832 [media] adv*: replace the deprecated v4l2_subdev_edid by v4l2_edid
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
2014-03-11 10:13:15 -03:00
Hans Verkuil dd519bb34a [media] v4l2: add VIDIOC_G/S_EDID support to the v4l2 core
Support this ioctl as part of the v4l2 core. Use the new ioctl
name and struct v4l2_edid type in the existing core code.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
2014-03-11 10:06:53 -03:00
Hans Verkuil 254a477701 [media] v4l2: allow v4l2_subdev_edid to be used with video nodes
Struct v4l2_subdev_edid and the VIDIOC_SUBDEV_G/S_EDID ioctls were
specific for subdevices, but for hardware with a simple video pipeline
you do not need/want to create subdevice nodes to just get/set the EDID.

Move the v4l2_subdev_edid struct to v4l2-common.h and rename as
v4l2_edid. Add the same ioctls to videodev2.h as well, thus allowing
this API to be used with both video nodes and v4l-subdev nodes.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
2014-03-11 10:05:53 -03:00
Hans Verkuil bc826d6e39 [media] v4l2-compat-ioctl32: fix wrong VIDIOC_SUBDEV_G/S_EDID32 support
The wrong ioctl numbers were used due to a copy-and-paste error.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Cc: stable@vger.kernel.org      # for v3.7 and up
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
2014-03-11 10:04:47 -03:00
Daniel Jeong dc76df5d48 [media] lm3646: add new dual LED Flash driver
This patch adds the driver for the LM3646, dual LED Flash driver.
The LM3646 has two 1.5A sync. boost converter with dual white current source.
It is controlled via an I2C compatible interface.
Each flash brightness, torch brightness and enable/disable can be controlled.
Under voltage, input voltage monitor and thermal threshhold Faults are added.
Please refer the datasheet http://www.ti.com/lit/ds/snvs962/snvs962.pdf

Signed-off-by: Daniel Jeong <gshark.jeong@gmail.com>
Signed-off-by: Sakari Ailus <sakari.ailus@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
2014-03-11 10:00:26 -03:00
Daniel Jeong 935aa6b2e8 [media] v4l2-controls.h: Add addtional Flash fault bits
Three Flash fault are added. V4L2_FLASH_FAULT_UNDER_VOLTAGE for the case low
voltage below the min. limit. V4L2_FLASH_FAULT_INPUT_VOLTAGE for the case
falling input voltage and chip adjust flash current not occur under voltage
event. V4L2_FLASH_FAULT_LED_OVER_TEMPERATURE for the case the temperature
exceed the maximun limit

Signed-off-by: Daniel Jeong <gshark.jeong@gmail.com>
Signed-off-by: Sakari Ailus <sakari.ailus@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
2014-03-11 09:57:48 -03:00
Daniel Jeong 00ae54a728 [media] controls.xml: Document addtional Flash fault bits
Descriptions for flash faults V4L2_FLASH_FAULT_UNDER_VOLTAGE,
V4L2_FLASH_FAULT_INPUT_VOLTAGE, and V4L2_FLASH_FAULT_LED_OVER_TEMPERATURE.

Removed spaces before tabs.

Signed-off-by: Daniel Jeong <gshark.jeong@gmail.com>
Signed-off-by: Sakari Ailus <sakari.ailus@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
2014-03-11 09:57:33 -03:00
Andy Shevchenko 341ef565f8 [media] lm3560: prevent memory leak in case of pdata absence
If we have no pdata defined and driver fails to register we leak memory.
Converting to devm_kzalloc prevents this to happen.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Sakari Ailus <sakari.ailus@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
2014-03-11 09:56:39 -03:00
Andy Shevchenko d1166b0f17 [media] lm3560: keep style for the comments
Let's keep the style for all comments in the code, namely using small letters
whenever it's possible.

There is no functional change.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Sakari Ailus <sakari.ailus@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
2014-03-11 09:56:26 -03:00
Andy Shevchenko bc46263b84 [media] lm3560: remove FSF address from the license
There is no need to keep the FSF address inside each file. Moreover, it might
change in future which will make this one obsolete.

There is no functional change.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Sakari Ailus <sakari.ailus@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
2014-03-11 09:56:08 -03:00
Laurent Pinchart b9db140c1e [media] v4l: of: Support empty port nodes
Empty port nodes are allowed but currently unsupported as the
v4l2_of_get_next_endpoint() function assumes that all port nodes have at
least an endpoint. Fix this.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
2014-03-11 09:38:49 -03:00
Guennadi Liakhovetski bb60fcb29b [media] MAINTAINERS: remove myself as a maintainer of VEU and VOU V4L2 drivers
Since I'm currently unable to dedicate sufficient time to the maintainership
of these two drivers update their status to "orphan" until new maintainers
appear.

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
2014-03-11 09:36:59 -03:00
Phil Edworthy cbe504d4d4 [media] media: soc_camera: rcar_vin: Add support for 10-bit YUV cameras
Add support for MBUS YUV10 BT656 and BT601 formats at rcar driver.

Signed-off-by: Phil Edworthy <phil.edworthy@renesas.com>
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
2014-03-11 09:32:26 -03:00
sensoray-dev 4a1df5e8f6 [media] s2255drv: memory leak fix
Fixes memory leak introduced by
commit 47d8c881c3.

Signed-off-by: Dean Anderson <linux-dev@sensoray.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
2014-03-11 09:28:31 -03:00
Philipp Zabel 2a0489d351 [media] tvp5150: Make debug module parameter visible in sysfs
Set permissions on the debug module parameter to make it appear in sysfs.

Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Acked-by: Lad, Prabhakar <prabhakar.csengg@gmail.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
2014-03-11 09:27:49 -03:00
Philipp Zabel 785a3de18b [media] tvp5150: Fix type mismatch warning in clamp macro
This patch fixes the following warning:

drivers/media/i2c/tvp5150.c: In function '__tvp5150_try_crop':
include/linux/kernel.h:762:17: warning: comparison of distinct pointer types lacks a cast [enabled by default]
  (void) (&__val == &__min);  \
                 ^
drivers/media/i2c/tvp5150.c:886:16: note: in expansion of macro 'clamp'
  rect->width = clamp(rect->width,
                ^
include/linux/kernel.h:763:17: warning: comparison of distinct pointer types lacks a cast [enabled by default]
  (void) (&__val == &__max);  \
                 ^
drivers/media/i2c/tvp5150.c:886:16: note: in expansion of macro 'clamp'
  rect->width = clamp(rect->width,
                ^
include/linux/kernel.h:762:17: warning: comparison of distinct pointer types lacks a cast [enabled by default]
  (void) (&__val == &__min);  \
                 ^
drivers/media/i2c/tvp5150.c:904:17: note: in expansion of macro 'clamp'
  rect->height = clamp(rect->height,
                 ^
include/linux/kernel.h:763:17: warning: comparison of distinct pointer types lacks a cast [enabled by default]
  (void) (&__val == &__max);  \
                 ^
drivers/media/i2c/tvp5150.c:904:17: note: in expansion of macro 'clamp'
  rect->height = clamp(rect->height,
                 ^

Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Acked-by: Lad, Prabhakar <prabhakar.csengg@gmail.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
2014-03-11 09:27:38 -03:00
Dan Carpenter 73a8ca4877 [media] em28xx-cards: remove a wrong indent level
This code is correct but the indenting is wrong and triggers a static
checker warning "add curly braces?".

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
2014-03-11 09:27:14 -03:00
Jon Mason 6fb0e403e4 [media] staging/dt3155v4l: use PCI_VENDOR_ID_INTEL
Use PCI_VENDOR_ID_INTEL instead of creating its own vendor ID #define.

Signed-off-by: Jon Mason <jdmason@kudzu.us>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
2014-03-11 09:26:53 -03:00
Hans Verkuil fbcb2dc351 [media] media DocBook: fix NV16M description
The NV16M description contained some copy-and-paste text from NV12M,
suggesting that this format is a 4:2:0 format when it really is a
4:2:2 format.

Fixed the text.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
2014-03-11 09:26:37 -03:00
Arnd Bergmann f97881fe50 [media] arv: fix sleep_on race
interruptible_sleep_on is racy and going away. In the arv driver that
race has probably never caused problems since it would require a whole
video frame to be captured before the read function has a chance to
go to sleep, but using wait_event_interruptible lets us kill off the
old interface. In order to do this, we have to slightly adapt the
meaning of the ar->start_capture field to distinguish between not having
started a frame and having completed it.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
2014-03-11 09:23:10 -03:00
Geert Uytterhoeven 111eeaa73a [media] v4l: VIDEO_SH_VOU should depend on HAS_DMA
If NO_DMA=y:

    warning: (VIDEO_DM6446_CCDC && VIDEO_DM355_CCDC && VIDEO_DM365_ISIF && VIDEO_OMAP2_VOUT && VIDEO_SH_VOU && VIDEO_VIU && VIDEO_TIMBERDALE && VIDEO_MX1 && VIDEO_OMAP1) selects VIDEOBUF_DMA_CONTIG which has unmet direct dependencies (MEDIA_SUPPORT && HAS_DMA)

    drivers/built-in.o: In function `videobuf_vm_close':
    videobuf-dma-contig.c:(.text+0x407aa0): undefined reference to `videobuf_queue_cancel'
    drivers/built-in.o: In function `__videobuf_dc_alloc':
    videobuf-dma-contig.c:(.text+0x407ba2): undefined reference to `dma_alloc_coherent'
    drivers/built-in.o: In function `__videobuf_mmap_mapper':
    videobuf-dma-contig.c:(.text+0x407d44): undefined reference to `dma_free_coherent'
    drivers/built-in.o: In function `free_buffer':
    sh_vou.c:(.text+0x41f73a): undefined reference to `videobuf_waiton'
    drivers/built-in.o: In function `sh_vou_poll':
    sh_vou.c:(.text+0x41f884): undefined reference to `videobuf_poll_stream'
    drivers/built-in.o: In function `sh_vou_buf_prepare':
    sh_vou.c:(.text+0x41fdf6): undefined reference to `videobuf_iolock'
    drivers/built-in.o: In function `sh_vou_reqbufs':
    sh_vou.c:(.text+0x4203b0): undefined reference to `videobuf_reqbufs'
    drivers/built-in.o: In function `sh_vou_querybuf':
    sh_vou.c:(.text+0x42040a): undefined reference to `videobuf_querybuf'
    drivers/built-in.o: In function `sh_vou_qbuf':
    sh_vou.c:(.text+0x42045e): undefined reference to `videobuf_qbuf'
    drivers/built-in.o: In function `sh_vou_dqbuf':
    sh_vou.c:(.text+0x4204c2): undefined reference to `videobuf_dqbuf'
    drivers/built-in.o: In function `sh_vou_streamon':
    sh_vou.c:(.text+0x420572): undefined reference to `videobuf_streamon'
    drivers/built-in.o: In function `sh_vou_streamoff':
    sh_vou.c:(.text+0x4205d2): undefined reference to `videobuf_streamoff'
    drivers/built-in.o: In function `sh_vou_mmap':
    sh_vou.c:(.text+0x420c46): undefined reference to `videobuf_mmap_mapper'

VIDEO_SH_VOU selects VIDEOBUF_DMA_CONTIG, which bypasses its dependency on
HAS_DMA.  Make VIDEO_SH_VOU depend on HAS_DMA to fix this.

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
2014-03-11 09:22:48 -03:00
Hans Verkuil c817d927b0 [media] v4l2-ctrls: replace BUG_ON by WARN_ON
BUG_ON is unnecessarily strict.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
2014-03-11 09:22:22 -03:00
Fengguang Wu 9b05837352 [media] drivers/media/usb/usbtv/usbtv-core.c:119:22: sparse: symbol 'usbtv_id_table' was not declared. Should it be static?
tree:   git://linuxtv.org/media_tree.git master
head:   a3550ea665
commit: a3550ea665 [499/499] [media] usbtv: split core and video implementation
reproduce: make C=1 CF=-D__CHECK_ENDIAN__

sparse warnings: (new ones prefixed by >>)

>> drivers/media/usb/usbtv/usbtv-core.c:119:22: sparse: symbol 'usbtv_id_table' was not declared. Should it be static?
>> drivers/media/usb/usbtv/usbtv-core.c:129:19: sparse: symbol 'usbtv_usb_driver' was not declared. Should it be static?

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
2014-03-11 09:22:07 -03:00
Mauro Carvalho Chehab 0d49e77611 drx-j: Fix post-BER calculus on QAM modulation
There are two troubles there:
	1) the bit error measure were not accumulating;
	2) it was missing the bit count.

Fix them.

Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
2014-03-11 07:43:54 -03:00
Mauro Carvalho Chehab ee0f4a1444 drx-j: use ber_count var
drivers/media/dvb-frontends/drx39xyj/drxj.c: In function 'ctrl_get_qam_sig_quality':
drivers/media/dvb-frontends/drx39xyj/drxj.c:9468:6: warning: variable 'ber_cnt' set but not used [-Wunused-but-set-variable]
  u32 ber_cnt = 0; /* BER count */
      ^

By reading the comment, it is said that BER should be calculated as:
	qam_pre_rs_ber = frac_times1e6( ber_cnt, rs_bit_cnt );

Also, it makes sense to take the mantissa into account, so fix the
code to do what's commented.

Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
2014-03-11 07:37:21 -03:00
Mauro Carvalho Chehab d591590e1b [media] drx-j: enable DVBv5 stats
Now that everything is set, let's enable DVBv5 stats, for
applications that support it.

DVBv3 apps will still work.

Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
2014-03-11 07:37:21 -03:00
Mauro Carvalho Chehab 80846a5c2f [media] drx-j: Fix detection of no signal
When the signal is 7, it means that no signal was received.

Value experimentally measured.

Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
2014-03-11 07:37:20 -03:00
Mauro Carvalho Chehab 6983257813 [media] drx-j: properly handle bit counts on stats
Instead of just assuming that the min resolution is 1E-6,
pass both bit error and bit counts for userspace to calculate
BER. The same applies for PER, for 8VSB. It is not clear how
to get the packet count for QAM. So, for now, don't expose PER
for QAM.

Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
2014-03-11 07:37:20 -03:00
Mauro Carvalho Chehab 03fdfbfd3b [media] drx-j: Prepare to use DVBv5 stats
Convert the stats internally to use DVBv5. For now, it will keep
showing everything via DVBv3 API only, as the .len value were
not initialized.

That allows testing if the new stats code didn't break anything.

A latter patch will add the final bits for the DVBv5 stats to
fully work.

Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
2014-03-11 07:37:19 -03:00
Mauro Carvalho Chehab 80e5ed14e1 [media] drx-j: re-add get_sig_strength()
We'll need to use this function. Restore it from the
git history.

This function will be used on the next patch.

Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
2014-03-11 07:37:19 -03:00
Mauro Carvalho Chehab 6f64c522bc [media] drx-j: Don't use "state" for DVB lock state
State is already used on other places for the state struct.
Don't use it here, to avoid troubles with latter patches.

Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
2014-03-11 07:37:18 -03:00