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authorAntti Palosaari <crope@iki.fi>2011-11-12 22:33:30 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2011-12-30 15:30:03 -0200
commite90ab840fb826621c8c01cc9e70ca3f0889fa416 (patch)
tree68863d3856baab231f7cd39d762bf20312fbc995 /kernel/Kconfig.preempt
parent6cf1056f0a7ecb543d4b523f6c55a5587fc455f2 (diff)
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[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>
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