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[media] au8522: fix lock detection to be more reliable
authorDevin Heitmueller <dheitmueller@kernellabs.com>
Wed, 19 Apr 2017 23:13:50 +0000 (20:13 -0300)
committerMauro Carvalho Chehab <mchehab@s-opensource.com>
Tue, 6 Jun 2017 10:50:19 +0000 (07:50 -0300)
commitb01052ab0924f07a80538974806f9681d8ea74d1
tree9acac16f46393b4dcfb610ad3af3f5e112787687tree | snapshot
parent6211d28eabf40759d7e48fe23ee55e68aa8b9ba7commit | diff
[media] au8522: fix lock detection to be more reliable

Only looking at the lock register causes the status to float
between locked and not locked when there is no signal.  So improve
the logic to also examine the state of the FSC PLL, which results
in the lock status being consistently reported.

Signed-off-by: Devin Heitmueller <dheitmueller@kernellabs.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
drivers/media/dvb-frontends/au8522_decoder.c diff | blob | history
Domain: System / Kernel;