https://bugzilla.kernel.org/show_bug.cgi?id=16391
Summary: Hp Envy 14 Brightness Problem (ACPI brightness control
misses _BQC function)
Product: ACPI
Version: 2.5
Platform: All
OS/Version: Linux
Tree: Mainline
Status: NEW
Severity: normal
Priority: P1
Component: ACPICA-Core
AssignedTo: [email protected]
ReportedBy: [email protected]
Regression: No
On the hp envy 14 you are unable to change the brightness of the lcd screen
information below
dmesg | grep bright
[ 0.843789] [Firmware Bug]: ACPI: ACPI brightness control misses _BQC
function
[ 0.844882] [Firmware Bug]: ACPI: ACPI brightness control misses _BQC
function
[ 0.854443] [Firmware Bug]: ACPI: ACPI brightness control misses _BQC
function
[ 1.818885] [Firmware Bug]: ACPI: ACPI brightness control misses _BQC
function
[ 1.818913] [Firmware Bug]: ACPI: ACPI brightness control misses _BQC
function
Linux envy 2.6.32-23-generic #37-Ubuntu SMP Fri Jun 11 08:03:28 UTC 2010 x86_64
GNU/Linux
acpi # cat info
version: 20090903
If you need anymore information please let me know and i will provide it
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