On Thu, Mar 28, 2013 at 04:54:59PM +0200, Timo Teras wrote: > On Thu, 28 Mar 2013 15:35:56 +0200 > Timo Teras <timo.teras@xxxxxx> wrote: > > > On Thu, 28 Mar 2013 09:40:52 -0300 > > Mauro Carvalho Chehab <mchehab@xxxxxxxxxx> wrote: > > > > > Em Thu, 28 Mar 2013 10:52:01 +0200 > > > Timo Teras <timo.teras@xxxxxx> escreveu: > > > > > > > On Wed, 27 Mar 2013 16:10:49 +0200 > > > > Timo Teras <timo.teras@xxxxxx> wrote: > > > > > > > > > On Tue, 26 Mar 2013 10:20:56 +0200 > > > > > Timo Teras <timo.teras@xxxxxx> 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 > This is the exact same behavior as i see on the gm7113c chip in the stk1160, and the smi2021 devices. See here: http://www.spinics.net/lists/linux-media/msg63163.html > - Timo > -- > To unsubscribe from this list: send the line "unsubscribe linux-media" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
