linux/drivers/media/video/cx25840
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
..
cx25840-audio.c V4L/DVB (10953): cx25840: Fix CodingStyle errors introduced by the last patch 2009-04-06 21:44:00 -03:00
cx25840-core.c V4L/DVB (13087): cx25840: Improve detection of CX2388[578] A/V cores 2009-12-05 18:40:17 -02:00
cx25840-core.h V4L/DVB (10952): cx25840: prepare it to be used by cx231xx module 2009-04-06 21:44:00 -03:00
cx25840-firmware.c V4L/DVB (12613): cx25840: fix determining the firmware name 2009-09-12 12:19:52 -03:00
cx25840-vbi.c V4L/DVB (11309): cx25840: cleanup: remove intermediate 'ioctl' step 2009-03-30 12:43:49 -03:00
Kconfig V4L/DVB (9507): v4l: remove EXPERIMENTAL from several drivers 2008-12-29 17:53:26 -02:00
Makefile