On Mon, Sep 8, 2014 at 9:19 AM, Ran Shalit <ranshalit@xxxxxxxxx> wrote: >>> The control on led brightness value is done as part of dedicated >>> character device which was written for the purpose of brightness >>> control (which uses i2c bus) >>> I wander if this is possible using the linux PM capabilities, and how >>> this should be done. >> In either case it should be possible as per my understanding. You need >> to implement >> it in the appropriate PM handlers. >> case1 ----> write the appropriate code in driver->pm->suspend >> case2 ----> write the appropriate code in driver->pm->runtime_idle >> > Where should be the command to change brightness to minimum through > i2c ? In runtime_suspend ? > If you want to reduce brightness to minimum when the character device goes in a runtime-suspend mode, then Yes. (Please include kernelnewbies, as others will also be able to respond to your query and rectify if I am mistaken) _______________________________________________ Kernelnewbies mailing list Kernelnewbies@xxxxxxxxxxxxxxxxx http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies
