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

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-Boot I

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 not able to

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 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: [6.925140] tpa6130a2

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-rc5 works, i.e.

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, your patch did not

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 audio fails. Here

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 [6.929534]

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:

Nokia N900 - audio TPA6130A2 problems

2015-07-25 Thread Pali Rohár
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: probe of 2-0060 failed with error -121 [