Re: Nokia N900 - audio TPA6130A2 problems

2016-01-04 Thread Pali Rohár
On Tuesday 04 August 2015 09:02:39 Peter Ujfalusi wrote: > On 08/03/2015 09:48 PM, Jarkko Nikula wrote: > > It is well possible that some regression got introduced to > > TPA6130A2 I2C communication over the years without nobody than you > > now notices. We used to do QA back in Meego N900 days but

Re: Nokia N900 - audio TPA6130A2 problems

2015-08-14 Thread Pali Rohár
On Friday 14 August 2015 22:46:49 Pavel Machek wrote: > Hi! > > > Maybe some power management problem? Something is not always > > initialized correctly? > > > > I remember that there is some problem (maybe in NoLo - Nokia > > bootloader) that sometimes chainloaded U-Boot (booted via NoLo) is > >

Re: Nokia N900 - audio TPA6130A2 problems

2015-08-14 Thread Pavel Machek
Hi! > Maybe some power management problem? Something is not always initialized > correctly? > > I remember that there is some problem (maybe in NoLo - Nokia bootloader) > that sometimes chainloaded U-Boot (booted via NoLo) is not able to > initialize mmc chip (all read operation fails). In U-B

Re: Nokia N900 - audio TPA6130A2 problems

2015-08-04 Thread Peter Ujfalusi
On 08/03/2015 09:48 PM, Jarkko Nikula wrote: > It is well possible that some regression got introduced to TPA6130A2 I2C > communication over the years without nobody than you now notices. We > used to do QA back in Meego N900 days but that was pre 3.x kernels. No major changes has been done to the

Re: Nokia N900 - audio TPA6130A2 problems

2015-08-03 Thread Pali Rohár
On Monday 03 August 2015 20:48:28 Jarkko Nikula wrote: > On 08/03/2015 09:17 PM, Pali Rohár wrote: > > On Monday 03 August 2015 20:03:16 Jarkko Nikula wrote: > >> Hi > >> > >> On 08/01/2015 01:18 PM, Pali Rohár wrote: > >>> On Saturday 25 July 2015 15:17:13 Lars-Peter Clausen wrote: > >>> Hello, y

Re: Nokia N900 - audio TPA6130A2 problems

2015-08-03 Thread Jarkko Nikula
On 08/03/2015 09:17 PM, Pali Rohár wrote: > On Monday 03 August 2015 20:03:16 Jarkko Nikula wrote: >> Hi >> >> On 08/01/2015 01:18 PM, Pali Rohár wrote: >>> On Saturday 25 July 2015 15:17:13 Lars-Peter Clausen wrote: >>> Hello, your patch did not helped. Problem is still there... >> >> For me v4.2-

Re: Nokia N900 - audio TPA6130A2 problems

2015-08-03 Thread Jarkko Nikula
Hi On 08/01/2015 01:18 PM, Pali Rohár wrote: > On Saturday 25 July 2015 15:17:13 Lars-Peter Clausen wrote: >> On 07/25/2015 12:28 PM, Pali Rohár wrote: >>> Hello, >>> >>> sometimes after rebooting Nokia N900 initializing alsa audio fails. >>> Here output from dmesg log when it happen: >>> >>> [

Re: Nokia N900 - audio TPA6130A2 problems

2015-08-03 Thread Pali Rohár
On Monday 03 August 2015 20:03:16 Jarkko Nikula wrote: > Hi > > On 08/01/2015 01:18 PM, Pali Rohár wrote: > > On Saturday 25 July 2015 15:17:13 Lars-Peter Clausen wrote: > >> On 07/25/2015 12:28 PM, Pali Rohár wrote: > >>> Hello, > >>> > >>> sometimes after rebooting Nokia N900 initializing alsa

Re: Nokia N900 - audio TPA6130A2 problems

2015-08-01 Thread Pali Rohár
On Saturday 25 July 2015 15:17:13 Lars-Peter Clausen wrote: > On 07/25/2015 12:28 PM, Pali Rohár wrote: > > Hello, > > > > sometimes after rebooting Nokia N900 initializing alsa audio fails. > > Here output from dmesg log when it happen: > > > > [6.925140] tpa6130a2 2-0060: Write failed > > [

Re: Nokia N900 - audio TPA6130A2 problems

2015-07-25 Thread Lars-Peter Clausen
On 07/25/2015 12:28 PM, Pali Rohár wrote: Hello, sometimes after rebooting Nokia N900 initializing alsa audio fails. Here output from dmesg log when it happen: [6.925140] tpa6130a2 2-0060: Write failed [6.929534] tpa6130a2 2-0060: Failed to initialize chip [6.935272] tpa6130a2: prob