]> git.baikalelectronics.ru Git - kernel.git/commit
[media] af9015: limit I2C access to keep FW happy
authorAntti Palosaari <crope@iki.fi>
Sun, 13 Nov 2011 01:33:30 +0000 (22:33 -0300)
committerMauro Carvalho Chehab <mchehab@redhat.com>
Fri, 30 Dec 2011 17:30:03 +0000 (15:30 -0200)
commit46e7ab70ca6199593802d91e753031f90eac5c0a
tree68863d3856baab231f7cd39d762bf20312fbc995
parent9834ac8eb283293cae6c3d474249b6c386ca8648
[media] af9015: limit I2C access to keep FW happy

AF9015 firmware does not like if it gets interrupted by I2C adapter
request on some critical phases. During normal operation I2C adapter
is used only 2nd demodulator and tuner on dual tuner devices.

Override demodulator callbacks and use mutex for limit access to
those "critical" paths to keep AF9015 happy.

Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
drivers/media/dvb/dvb-usb/af9015.c
drivers/media/dvb/dvb-usb/af9015.h