linux/drivers/media
Andy Walls c7dd1ecdc0 V4L/DVB (13087): cx25840: Improve detection of CX2388[578] A/V cores
Add improved logic to detect the exact CX2388[578] A/V core that is being
probed.  Also cleaned up detection and logging for CX2310[12], CX2583[67],
and CX2584[0123] cores and chips.

Also added code to identify a CX2388[578] A/V decoder core that is not
responding properly.  Typical symptoms include registers 0x00-0xff
responding properly but all other registers returning the same value
(0x13 and 0x5 have been observed).  This state will cause proper detection of
'885 vs. '887 vs. '888 to fail and the chip won't respond to get configured
properly anyway.  I have no method of reseting the core to a working state at
this time; but I didn't try too hard to work one out either.  The problem
likely only occurs in development.  I suspect configuring the SYS PLL VCO to
oscillate too slowly (286.3 MHz?) before post divide may be the root cause,
when encountered.

Signed-off-by: Andy Walls <awalls@radix.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2009-12-05 18:40:17 -02:00
..
common V4L/DVB (13076): xc5000: make the definition of the FM input part of the xc5000 config struct 2009-12-05 18:40:13 -02:00
dvb V4L/DVB (13058): af9015: enable remote polling when eeprom contains 0x04 2009-12-05 18:40:06 -02:00
radio V4L/DVB (13073): radio-mr800: set radio frequency only upon success 2009-12-05 18:40:12 -02:00
video V4L/DVB (13087): cx25840: Improve detection of CX2388[578] A/V cores 2009-12-05 18:40:17 -02:00
Kconfig V4L/DVB (11881): one kconfig controls them all 2009-06-16 18:21:16 -03:00
Makefile V4L/DVB (8274): sms1xxx: build cleanup after driver relocation 2008-07-20 07:20:56 -03:00