linux-stable.git/drivers/media, branch v3.16.3

media: sms: Remove CONFIG_ prefix from Kconfig symbols

2014-09-17T16:21:50+00:00

commit 3c4b422adb7694418848cefc2a4669d63192c649 upstream.

X-Patchwork-Delegate: mchehab@redhat.com
Remove the CONFIG_ prefix from two Kconfig symbols in a dependency for
SMS_SIANO_DEBUGFS. This prefix is invalid inside Kconfig files.

Note that the current (common sense) dependency on SMS_USB_DRV and
SMS_SDIO_DRV being equal ensures that SMS_SIANO_DEBUGFS will not
violate its constraints. These constraint are that:
- it should only be built if SMS_USB_DRV is set;
- it can't be builtin if USB support is modular.

So drop the dependency on SMS_USB_DRV, as it is unneeded.

Fixes: 6c84b214284e ("[media] sms: fix randconfig building error")

Reported-by: Martin Walch 
Signed-off-by: Paul Bolle 
Signed-off-by: Mauro Carvalho Chehab 
Signed-off-by: Greg Kroah-Hartman

media: v4l: vb2: Fix stream start and buffer completion race

2014-09-17T16:21:49+00:00

commit bd994ddb2a12a3ff48cd549ec82cdceaea9614df upstream.

videobuf2 stores the driver streaming state internally in the queue in
the start_streaming_called variable. The state is set right after the
driver start_stream operation returns, and checked in the
vb2_buffer_done() function, typically called from the frame completion
interrupt handler. A race condition exists if the hardware finishes
processing the first frame before the start_stream operation returns.

Fix this by setting start_streaming_called to 1 before calling the
start_stream operation, and resetting it to 0 if the operation fails.

Signed-off-by: Laurent Pinchart 
Reviewed-by: Hans Verkuil 
Signed-off-by: Mauro Carvalho Chehab 
Signed-off-by: Greg Kroah-Hartman

media: v4l: vsp1: Remove the unneeded vsp1_video_buffer video field

2014-09-17T16:21:49+00:00

commit e51daefc228aa164adcc17fe8fce0f856ad0a1cc upstream.

The field is assigned but never read, remove it.

This fixes a bug caused by the struct vb2_buffer field not being be the
very first field of the vsp1_video_buffer buffer structure as required
by videobuf2.

Reported-by: Takanari Hayama 
Signed-off-by: Laurent Pinchart 
Signed-off-by: Mauro Carvalho Chehab 
Signed-off-by: Greg Kroah-Hartman

media: mt9v032: fix hblank calculation

2014-09-17T16:21:49+00:00

commit f17bc3f4707eb87bdb80b895911c551cdd606fbd upstream.

Since (min_row_time - crop->width) can be negative, we have to do a signed
comparison here. Otherwise max_t casts the negative value to unsigned int
and sets min_hblank to that invalid value.

Signed-off-by: Philipp Zabel 
Signed-off-by: Laurent Pinchart 
Signed-off-by: Mauro Carvalho Chehab 
Signed-off-by: Greg Kroah-Hartman

media: media-device: Remove duplicated memset() in media_enum_entities()

2014-09-17T16:21:49+00:00

commit f8ca6ac00d2ba24c5557f08f81439cd3432f0802 upstream.

After the zeroing the whole struct struct media_entity_desc u_ent,
it is no longer necessary to memset(0) its u_ent.name field.

Signed-off-by: Salva Peiró 
Signed-off-by: Laurent Pinchart 
Signed-off-by: Mauro Carvalho Chehab 
Signed-off-by: Greg Kroah-Hartman

media: au0828: Only alt setting logic when needed

2014-09-17T16:21:48+00:00

commit 64ea37bbd8a5815522706f0099ad3f11c7537e15 upstream.

It seems that there's a bug at au0828 hardware/firmware
related to alternate setting: when the device is already at
alt 5, a further call causes the URBs to receive -ESHUTDOWN.

I found two different encarnations of this issue:

1) at qv4l2, it fails the second time we try to open the
video screen;
2) at xawtv, when audio underrun occurs, with is very
frequent, at least on my test machine.

The fix is simple: just check if alt=5 before calling
set_usb_interface().

Signed-off-by: Mauro Carvalho Chehab 
Signed-off-by: Greg Kroah-Hartman

media: xc4000: Fix get_frequency()

2014-09-17T16:21:48+00:00

commit 4c07e32884ab69574cfd9eb4de3334233c938071 upstream.

The programmed frequency on xc4000 is not the middle
frequency, but the initial frequency on the bandwidth range.
However, the DVB API works with the middle frequency.

This works fine on set_frontend, as the device calculates
the needed offset. However, at get_frequency(), the returned
value is the initial frequency. That's generally not a big
problem on most drivers, however, starting with changeset
6fe1099c7aec, the frequency drift is taken into account at
dib7000p driver.

This broke support for PCTV 340e, with uses dib7000p demod and
xc4000 tuner.

Signed-off-by: Mauro Carvalho Chehab 
Signed-off-by: Greg Kroah-Hartman

media: xc5000: Fix get_frequency()

2014-09-17T16:21:48+00:00

commit a3eec916cbc17dc1aaa3ddf120836cd5200eb4ef upstream.

The programmed frequency on xc5000 is not the middle
frequency, but the initial frequency on the bandwidth range.
However, the DVB API works with the middle frequency.

Signed-off-by: Mauro Carvalho Chehab 
Signed-off-by: Greg Kroah-Hartman

Merge branch 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media

2014-07-21T18:44:34+00:00

Pull media fixes from Mauro Carvalho Chehab:
 "A series of driver fixes:
   - fix DVB-S tuning with tda1071
   - fix tuner probe on af9035 when the device has a bad eeprom
   - some fixes for the new si2168/2157 drivers
   - one Kconfig build fix (for omap4iss)
   - fixes at vpif error path
   - don't lock saa7134 ioctl at driver's base core level, as it now
     uses V4L2 and VB2 locking schema
   - fix audio at hdpvr driver
   - fix the aspect ratio at the digital timings table
   - one new USB ID (at gspca_pac7302): Genius i-Look 317 webcam"

* 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media:
  [media] gspca_pac7302: Add new usb-id for Genius i-Look 317
  [media] tda10071: fix returned symbol rate calculation
  [media] tda10071: fix spec inversion reporting
  [media] tda10071: add missing DVB-S2/PSK-8 FEC AUTO
  [media] tda10071: force modulation to QPSK on DVB-S
  [media] hdpvr: fix two audio bugs
  [media] davinci: vpif: missing unlocks on error
  [media] af9035: override tuner id when bad value set into eeprom
  [media] saa7134: use unlocked_ioctl instead of ioctl
  [media] media: v4l2-core: v4l2-dv-timings.c: Cleaning up code wrong value used in aspect ratio
  [media] si2168: firmware download fix
  [media] si2157: add one missing parenthesis
  [media] si2168: add one missing parenthesis
  [media] staging: tighten omap4iss dependencies

[media] gspca_pac7302: Add new usb-id for Genius i-Look 317

2014-07-15T00:06:35+00:00

Tested-and-reported-by: yullaw 

Cc: stable@vger.kernel.org
Signed-off-by: Hans de Goede 
Signed-off-by: Mauro Carvalho Chehab