On Wednesday 19 November 2014 20:23:36 Matthew Garrett wrote: > On Wed, Nov 19, 2014 at 10:34:16AM -0800, Darren Hart wrote: > > I'm somewhat concerned that this patch doubles the size of > > this driver. When we're adding this much code, I have to > > ask - does it make sense to grow this driver rather than > > create a new one? > > There'd be a fair amount of code duplication in splitting it. >
Yes. dell-laptop.ko implements functions for doing Dell SMBIOS calls which are needed for keyboard backlight. > > There is no ACPI backlight driver on these systems? We need > > a platform driver? > > ACPI doesn't specify keyboard backlight control, so this ends > up being very vendor specific. dell-laptop.ko is not ACPI driver. It is using Dell SMBIOS calls. And I do not know about Dell specific ACPI interface for keyboard backlight. So Darren, ask this question someone from Dell. -- Pali Rohár [email protected]
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