On 05/28/2013 10:05 AM, Alex Hung wrote: > On HP m4 lapops, BIOS reports minimum backlight on boot and > causes backlight to dim completely. This ignores the initial backlight > values and set to max brightness. > > Buglink: https://bugs.launchpad.net/bugs/1184501 Same here, but since there is no acpidump attached, I'm not that sure. Thanks, Aaron > > Signed-off-by: Alex Hung <alex.hung@xxxxxxxxxxxxx> > --- > drivers/acpi/video.c | 8 ++++++++ > 1 file changed, 8 insertions(+) > > diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c > index 5b32e15..d0937ab 100644 > --- a/drivers/acpi/video.c > +++ b/drivers/acpi/video.c > @@ -464,6 +464,14 @@ static struct dmi_system_id video_dmi_table[] __initdata = { > DMI_MATCH(DMI_PRODUCT_NAME, "HP 1000 Notebook PC"), > }, > }, > + { > + .callback = video_ignore_initial_backlight, > + .ident = "HP Pavilion m4", > + .matches = { > + DMI_MATCH(DMI_BOARD_VENDOR, "Hewlett-Packard"), > + DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion m4 Notebook PC"), > + }, > + }, > {} > }; > > -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
