At Sat, 01 May 2010 22:19:14 +0200, Thoralf Freitag wrote: > > I tried to find a way for switching/control Mute LED on an HP DV 7 > notebook. I found a solution which is very ugly. According the solution > described here > (http://mailman.alsa-project.org/pipermail/alsa-devel/2009-April/016126.html) > I changed the value for LED control in this manner: > > diff -u alsa-driver-1.0.23/sound/pci/hda/patch_sigmatel.c > alsa-driver-1.0.23_b/sound/pci/hda/patch_sigmatel.c > --- alsa-driver-1.0.23/sound/pci/hda/patch_sigmatel.c 2010-04-16 > 13:10:10.000000000 +0200 > +++ alsa-driver-1.0.23_b/sound/pci/hda/patch_sigmatel.c 2010-05-01 > 21:37:36.719063655 +0200 > @@ -4952,9 +4952,9 @@ > } > } > if (muted) > - spec->gpio_data &= ~spec->gpio_led; /* orange */ > + spec->gpio_data &= ~0x01; /* orange */ > else > - spec->gpio_data |= spec->gpio_led; /* white */ > + spec->gpio_data |= 0x01; /* white */ > > if (!spec->gpio_led_polarity) { > /* LED state is inverted on these systems */ > > I hate this solution. Maybe someone of the programming experts could > give me a way to make it better. On which position should I make which > changes ? The mute LED is set up in find_mute_led_gpio(). If your BIOS doesn't give the proper information, you can add the device statically in hp_blike_system(). Takashi _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
