On Thu, Apr 07, 2016 at 11:54:39AM +0200, Lluís Batlle i Rossell wrote: > On Thu, Apr 07, 2016 at 03:19:04PM +0530, Kumar, Shobhit wrote: > > On Wednesday 06 April 2016 04:26 PM, Lluís Batlle i Rossell wrote: > > >I don't see any trace of pwm/lpss in dmesg, so it's normal that i915 fails > > >to find it. I wonder if there may be a problem in the ACPI table. I have > > >the DSDT and it clearly reports the: > > > > > >Name (_CID, "80860F09") // _CID: Compatible ID > > >Name (_DDN, "Intel(R) PWM Controller #2 - 80860F09") // _DDN: DOS Device Name > > > > > >Which should be the lpss pwm. But somehow it is not loaded, so I guess it > > >fails the probing. > > > > Can we put some prints in the probe routines and see whats happening in the > > pwm-lpss-platform.c driver. There is also a PCI PWM LPSS driver - > > pwm-lpss-pci.c Can you also enable that and see if the probe for that is > > being called and successful ? > > I have CONFIG_PWM_LPSS_PCI=m, but udev doesn't load it. I can try to set > it to =y. > > I will try to add some prints. I have in /sys/kernel/debug/pwm: platform/80860F09:01, 1 PWM device pwm-0 ((null) ): platform/80860F09:00, 1 PWM device pwm-0 ((null) ): So something is there. -- (Escriu-me xifrat si saps PGP / Write ciphered if you know PGP) PGP key D4831A8A - https://emailselfdefense.fsf.org/ _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx