3.2.47-rc1 review patch. If anyone has any objections, please let me know. ------------------ From: Gustavo Maciel Dias Vieira <gustavo@xxxxxxxxx> commit 771d09b3c4c45d4d534a83a68e6331b97fd82e15 upstream. On a HP Pavilion dm4 laptop the BIOS sets minimum backlight on boot, completely dimming the screen. Ignore this initial value for this machine. Signed-off-by: Gustavo Maciel Dias Vieira <gustavo@xxxxxxxxx> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx> Signed-off-by: Ben Hutchings <ben@xxxxxxxxxxxxxxx> --- drivers/acpi/video.c | 8 ++++++++ 1 file changed, 8 insertions(+) --- a/drivers/acpi/video.c +++ b/drivers/acpi/video.c @@ -447,6 +447,14 @@ static struct dmi_system_id video_dmi_ta DMI_MATCH(DMI_PRODUCT_NAME, "HP Folio 13 - 2000 Notebook PC"), }, }, + { + .callback = video_ignore_initial_backlight, + .ident = "HP Pavilion dm4", + .matches = { + DMI_MATCH(DMI_BOARD_VENDOR, "Hewlett-Packard"), + DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion dm4 Notebook PC"), + }, + }, {} }; -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html