On Thu, 28 Mar 2013 15:35:56 +0200 Timo Teras <timo.te...@iki.fi> wrote:
> On Thu, 28 Mar 2013 09:40:52 -0300 > Mauro Carvalho Chehab <mche...@redhat.com> wrote: > > > Em Thu, 28 Mar 2013 10:52:01 +0200 > > Timo Teras <timo.te...@iki.fi> escreveu: > > > > > On Wed, 27 Mar 2013 16:10:49 +0200 > > > Timo Teras <timo.te...@iki.fi> wrote: > > > > > > > On Tue, 26 Mar 2013 10:20:56 +0200 > > > > Timo Teras <timo.te...@iki.fi> wrote: > > > > > > > > > I did manage to get decent traces with USBlyzer evaluation > > > > > version. > > > > > > > > Nothing _that_ exciting there. Though, there's quite a bit of > > > > differences on certain register writes. I tried copying the > > > > changed parts, but did not really help. > > > > > > > > Turning on saa7115 debug gave: > > > > > > > > saa7115 1-0025: chip found @ 0x4a (ID 000000000000000) does not > > > > match a known saa711x chip. > > > > > > Well, I just made saa7115.c ignore this ID check, and defeault to > > > saa7113 which is apparently the chip used. > > > > > > And now it looks like things start to work a lot better. > > > > > > Weird that the saa7113 chip is missing the ID string. Will > > > continue testing. > > > > That could happen if saa7113 is behind some I2C bridge and when > > saa7113 is not found when the detection code is called. > > Smells to me that they replaced the saa7113 with cheaper clone that > does not support the ID string. > > Sounds like the same issue as: > http://www.spinics.net/lists/linux-media/msg57926.html > > Additionally noted that something is not initialized right: > > With PAL signal: > - there's some junk pixel in beginning of each line (looks like pixes > from previous lines end), sync issue? > - some junk lines at the end > - distorted colors when white and black change between pixels Still have not figured out this one. Could be probably related to the saa7113 differences. > With NTSC signal: > - unable to get a lock, and the whole picture looks garbled NTSC started working after I removed all the saa711x writes to following registers: R_14_ANAL_ADC_COMPAT_CNTL R_15_VGATE_START_FID_CHG R_16_VGATE_STOP R_17_MISC_VGATE_CONF_AND_MSB - Timo -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
