On Mon, Mar 12, 2012 at 11:12:17PM -0400, Pradeep Subrahmanion wrote: > Hi , > > Brightness control was not working on Acer Aspire 4736 using default ACPI interface. acer-acpi also do not support 4730 series since it uses new WMI interface. > This driver adds brightness control by accessing the LBB PCI configuration register. This approach may also work on other laptops in 4730 series .But currently , it is only tested for > Aspire 4736. 1) If there's a WMI interface to brightness control, why not use that? 2) You're hitting a hardware resource that belongs to the i915 driver, which may well cause problems. 3) Why does the ACPI interface not work? Can you attach the acpidump output? -- Matthew Garrett | mjg59@xxxxxxxxxxxxx -- To unsubscribe from this list: send the line "unsubscribe linux-fbdev" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
