On Tue, Apr 07, 2009 at 04:20:34PM +0800, Zhang Rui wrote: > All subsystems can register a set of callbacks for backlight control in > its own way, e.g. ACPI, platform driver, i915. > And the backlight manager only exports one single I/F to users, like: > ----| > |----brightness > |----actual_brightness > |----max_brightness > |----... > |----mode > and it supports multiple modes, e.g. > 1. generic ---ACPI > 2. platform---platform drivers > 3. legacy-----i915
This seems to be a lot of complexity for an uncommon case. Is there any real need to modify the mode at runtime? What happens if the platform driver gets loaded before i915? -- Matthew Garrett | mj...@srcf.ucam.org ------------------------------------------------------------------------------ This SF.net email is sponsored by: High Quality Requirements in a Collaborative Environment. Download a free trial of Rational Requirements Composer Now! http://p.sf.net/sfu/www-ibm-com -- _______________________________________________ Dri-devel mailing list Dri-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/dri-devel