Hi Kamal, My problem: Brightness keys not reducing the brightness.
I have tried using the fix provided by you through the patches. I am not able to see it working. My configuration : Dell Studio 1558 + Ubuntu 10.04.1 LTS \n \l I see the following messages , when I use my brightness keys , even after applying the fixes suggested: [ 143.057696] ACPI: Failed to switch the brightness [ 143.331337] ACPI: Failed to switch the brightness [ 143.759626] ACPI: Failed to switch the brightness [ 144.286108] ACPI: Failed to switch the brightness [ 150.313202] ACPI: Failed to switch the brightness [ 150.575592] ACPI: Failed to switch the brightness [ 150.764477] ACPI: Failed to switch the brightness [ 150.949346] ACPI: Failed to switch the brightness [ 151.117692] ACPI: Failed to switch the brightness [ 151.267894] ACPI: Failed to switch the brightness [ 152.695798] ACPI: Failed to switch the brightness [ 152.980604] ACPI: Failed to switch the brightness [ 153.252080] ACPI: Failed to switch the brightness [ 153.643935] ACPI: Failed to switch the brightness [ 162.714570] ACPI: Failed to switch the brightness [ 162.893770] ACPI: Failed to switch the brightness [ 163.082020] ACPI: Failed to switch the brightness [ 163.258148] ACPI: Failed to switch the brightness [ 163.412940] ACPI: Failed to switch the brightness [ 163.598386] ACPI: Failed to switch the brightness [ 163.771619] ACPI: Failed to switch the brightness [ 163.948742] ACPI: Failed to switch the brightness [ 188.533360] ACPI: Failed to switch the brightness Please let me know, what needs to be done, if I have missed anything here. I appreciate you help! Thank you, Praveen. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/568611 Title: Screen brightness control fails on Dell Studio 1558 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
