On Sunday 23 November 2014 15:50:45 Pali Rohár wrote: > This patch adds support for configuring keyboard backlight > settings on supported Dell laptops. It exports kernel leds > interface and uses Dell SMBIOS tokens or keyboard class > interface. > > With this patch it is possible to set: > * keyboard backlight level > * timeout after which will be backlight automatically turned > off * input activity triggers (keyboard, touchpad, mouse) > which enable backlight * ambient light settings > > Settings are exported via sysfs: > /sys/class/leds/dell::kbd_backlight/ > > Code is based on newly released documentation by Dell in > libsmbios project. > > Signed-off-by: Pali Rohár <pali.rohar@xxxxxxxxx> > Signed-off-by: Gabriele Mazzotta <gabriele.mzt@xxxxxxxxx> > --- > Changes since v1: > * returns also -EIO/-ENXIO (with helper function > dell_smi_error) * simplify code to have less levels of > indentation > * style fixes > * add some comments > --- > drivers/platform/x86/dell-laptop.c | 1023 > +++++++++++++++++++++++++++++++++++- 1 file changed, 1019 > insertions(+), 4 deletions(-) > Darren, Matthew: can you review this v2 code? I would like to see keyboard backlight support in 3.19 kernel. -- Pali Rohár pali.rohar@xxxxxxxxx
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