Messages in this thread | | | Date | Wed, 10 Dec 2014 17:29:11 +0300 | From | Dmitry Tunin <> | Subject | Re: [PATCH v2] acpi: Add "acpi_osi=" for ASUS X200MA to enable brightness |
| |
This patch is only a temporary hack. This issue should be fixed by other ways. See https://bugzilla.kernel.org/show_bug.cgi?id=70241#c70
07.12.2014 17:35, Dmitry Tunin пишет: > Add "acpi_osi=" quirk for ASUS X200MA > More information can be found in UX302LA bugreport > https://bugzilla.kernel.org/show_bug.cgi?id=70241 > > I reported it to launchpad too > https://bugs.launchpad.net/ubuntu/bug/1400068 > > Cc: stable@vger.kernel.org > Signed-off-by: Dmitry Tunin <hanipouspilot@gmail.com> > --- > drivers/acpi/blacklist.c | 20 ++++++++++++++++++++ > 1 file changed, 20 insertions(+) > > diff --git a/drivers/acpi/blacklist.c b/drivers/acpi/blacklist.c > index 7556e7c..f78ed08 100644 > --- a/drivers/acpi/blacklist.c > +++ b/drivers/acpi/blacklist.c > @@ -162,6 +162,17 @@ static int __init dmi_disable_osi_win8(const struct dmi_system_id *d) > acpi_osi_setup("!Windows 2012"); > return 0; > } > +/* > + * Some ASUS models firmware declares 16 devices instead of 8 > + * 'acpi_osi=' kernel parameter fixes it > + * Without this parameters brightness keys Fn+F5 and F6 do not work > + */ > +static int __init dmi_disable_osi_all(const struct dmi_system_id *d) > +{ > + printk(KERN_NOTICE PREFIX "DMI detected: %s\n", d->ident); > + acpi_osi_setup(""); > + return 0; > +} > > static struct dmi_system_id acpi_osi_dmi_table[] __initdata = { > { > @@ -371,6 +382,15 @@ static struct dmi_system_id acpi_osi_dmi_table[] __initdata = { > DMI_MATCH(DMI_PRODUCT_NAME, "1015PX"), > }, > }, > + /* Without this brightness keys do not work */ > + { > + .callback = dmi_disable_osi_all, > + .ident = "ASUSTeK COMPUTER INC. X200MA", > + .matches = { > + DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."), > + DMI_MATCH(DMI_PRODUCT_NAME, "X200MA"), > + }, > + }, > {} > }; >
| |