linux-stable.git/drivers/media, branch v3.0.9

tuner_xc2028: Allow selection of the frequency adjustment code for XC3028

2011-11-11T17:36:14+00:00

commit 9bed77ee2fb46b74782d0d9d14b92e9d07f3df6e upstream.

This device is not using the proper demod IF. Instead of using the
IF macro, it is specifying a IF frequency. This doesn't work, as xc3028
needs to load an specific SCODE for the tuner. In this case, there's
no IF table for 5 MHz.

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

dib0700: protect the dib0700 buffer access

2011-11-11T17:36:14+00:00

commit bff469f4167fdabfe15294f375577d7eadbaa1bb upstream.

This patch protects the common buffer access inside the dib0700 in order
to manage concurrent access. This protection is done using mutex.

Cc: Mauro Carvalho Chehab 
Cc: Florian Mickler 
Signed-off-by: Javier Marcet 
Signed-off-by: Olivier Grenie 
Signed-off-by: Patrick Boettcher 
[mchehab@redhat.com: dprint requires 3 arguments. Replaced by dib_info]
Signed-off-by: Mauro Carvalho Chehab 
Signed-off-by: Greg Kroah-Hartman

DiBcom: protect the I2C bufer access

2011-11-11T17:36:14+00:00

commit 79fcce3230b140f7675f8529ee53fe2f9644f902 upstream.

This patch protects the I2C buffer access in order to manage concurrent
access. This protection is done using mutex.
Furthermore, for the dib9000, if a pid filtering command is
received during the tuning, this pid filtering command is delayed to
avoid any concurrent access issue.

Cc: Mauro Carvalho Chehab 
Cc: Florian Mickler 
Signed-off-by: Olivier Grenie 
Signed-off-by: Patrick Boettcher 
Signed-off-by: Mauro Carvalho Chehab 
Signed-off-by: Greg Kroah-Hartman

uvcvideo: Set alternate setting 0 on resume if the bus has been reset

2011-11-11T17:36:13+00:00

commit d59a7b1dbce8b972ec2dc9fcaaae0bfa23687423 upstream.

If the bus has been reset on resume, set the alternate setting to 0.
This should be the default value, but some devices crash or otherwise
misbehave if they don't receive a SET_INTERFACE request before any other
video control request.

Microdia's 0c45:6437 camera has been found to require this change or it
will stop sending video data after resume.

uvc_video.c]

Signed-off-by: Ming Lei 
Signed-off-by: Laurent Pinchart 
Signed-off-by: Mauro Carvalho Chehab 
Signed-off-by: Greg Kroah-Hartman

uvcvideo: Fix crash when linking entities

2011-10-25T05:10:15+00:00

commit 4d9b2ebd335d83044b9e6656d0e604e8e1300334 upstream.

The uvc_mc_register_entity() function wrongfully selects the
media_entity associated with a UVC entity when creating links. This
results in access to uninitialized media_entity structures and can hit a
BUG_ON statement in media_entity_create_link(). Fix it.

Signed-off-by: Laurent Pinchart 
Signed-off-by: Mauro Carvalho Chehab 
Cc: Josh Boyer 
Signed-off-by: Greg Kroah-Hartman

vp7045: fix buffer setup

2011-10-03T18:40:16+00:00

commit fc61ccd35fd59d5362d37c8bf9c0526c85086c84 upstream.

dvb_usb_device_init calls the frontend_attach method of this driver which
uses vp7045_usb_ob. In order to have a buffer ready in vp7045_usb_op, it has to
be allocated before that happens.

Luckily we can use the whole private data as the buffer as it gets separately
allocated on the heap via kzalloc in dvb_usb_device_init and is thus apt for
use via usb_control_msg.

This fixes a
	BUG: unable to handle kernel paging request at 0000000000001e78

reported by Tino Keitel and diagnosed by Dan Carpenter.

Tested-by: Tino Keitel 
Signed-off-by: Florian Mickler 
Signed-off-by: Mauro Carvalho Chehab 
Signed-off-by: Greg Kroah-Hartman

nuvoton-cir: simplify raw IR sample handling

2011-10-03T18:40:15+00:00

commit de4ed0c111ed078b8729a5cc49c23197740f5bad upstream.

The nuvoton-cir driver was storing up consecutive pulse-pulse and
space-space samples internally, for no good reason, since
ir_raw_event_store_with_filter() already merges back to back like
samples types for us. This should also fix a regression introduced late
in 3.0 that related to a timeout change, which actually becomes correct
when coupled with this change. Tested with RC6 and RC5 on my own
nuvoton-cir hardware atop vanilla 3.0.0, after verifying quirky
behavior in 3.0 due to the timeout change.

Reported-by: Stephan Raue 
CC: Stephan Raue 
Signed-off-by: Jarod Wilson 
Signed-off-by: Mauro Carvalho Chehab 
Signed-off-by: Greg Kroah-Hartman

si4713-i2c: avoid potential buffer overflow on si4713

2011-07-18T16:12:21+00:00

While compiling it with Fedora 15, I noticed this issue:

  inlined from ‘si4713_write_econtrol_string’ at drivers/media/radio/si4713-i2c.c:1065:24:
  arch/x86/include/asm/uaccess_32.h:211:26: error: call to ‘copy_from_user_overflow’ declared with attribute error: copy_from_user() buffer size is not provably correct

Cc: stable@kernel.org
Signed-off-by: Mauro Carvalho Chehab 
Acked-by: Sakari Ailus 
Acked-by: Eduardo Valentin 
Reviewed-by: Eugene Teo 
Signed-off-by: Linus Torvalds

Merge branch 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6

2011-07-17T19:48:18+00:00

* 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6:
  [media] tuner-core: fix a 2.6.39 regression with mt20xx
  [media] dvb_frontend: fix race condition in stopping/starting frontend
  [media] media: fix radio-sf16fmr2 build when SND is not enabled
  [media] MEDIA: Fix non-ISA_DMA_API link failure of sound code
  [media] nuvoton-cir: make idle timeout more sane
  [media] mceusb: increase default timeout to 100ms
  [media] mceusb: Timeout unit corrections
  [media] Revert "V4L/DVB: cx23885: Enable Message Signaled Interrupts(MSI)"

[media] tuner-core: fix a 2.6.39 regression with mt20xx

2011-07-13T23:21:00+00:00

As Simon reported, digital TV broke with mt20xx tuner due to
commit ad020dc2fe9039628cf6cef42cd1b76531ee8411.

The mt20xx tuner passes V4L2_TUNER_DIGITAL_TV to tuner core. However, the
check_mode code now doesn't handle it well. Change the logic there to
avoid the breakage, and fix a test for analog-only at g_tuner.

Reported-by: Simon Arlott 
Tested-by: Simon Arlott 
Cc: stable@kernel.org
Signed-off-by: Mauro Carvalho Chehab