Re: [PATCH RESEND] ACPI: Blacklist Win8 OSI for some HP laptop 2013 models

From: Takashi Iwai
Date: Mon Jan 13 2014 - 06:33:35 EST


At Mon, 13 Jan 2014 12:46:31 +0100,
Rafael J. Wysocki wrote:
>
> On Monday, January 13, 2014 12:14:18 PM Takashi Iwai wrote:
> > The BIOS on recent HP laptops behaves differently with Win8 OSI,
> > e.g. no backlight control and no rfkill are available. List them in
> > the blacklist as a workaround.
> >
> > This patch tries to reduce the added items by matching "G1" suffix,
> > e.g. machines are named like "HP ProBook 430 G1".
> >
> > Bugzilla: https://bugzilla.novell.com/show_bug.cgi?id=856294
> > Signed-off-by: Takashi Iwai <tiwai@xxxxxxx>
> > ---
> >
> > Rafael, could you check this?
> > If the problem were only about the backlight, we could fix differenly,
> > but BIOS on these machines seems to switching more other functions
> > like rfkill.
>
> It looks like I have this patch in my linux-next branch.

OK, thanks!


Takashi

>
> Thanks!
>
>
> > drivers/acpi/blacklist.c | 50 ++++++++++++++++++++++++++++++++++++++++++++++++
> > 1 file changed, 50 insertions(+)
> >
> > diff --git a/drivers/acpi/blacklist.c b/drivers/acpi/blacklist.c
> > index 078c4f7fe2dd..40c91f5052ef 100644
> > --- a/drivers/acpi/blacklist.c
> > +++ b/drivers/acpi/blacklist.c
> > @@ -323,6 +323,56 @@ static struct dmi_system_id acpi_osi_dmi_table[] __initdata = {
> > DMI_MATCH(DMI_PRODUCT_VERSION, "2349D15"),
> > },
> > },
> > + {
> > + .callback = dmi_disable_osi_win8,
> > + .ident = "HP ProBook 2013 models",
> > + .matches = {
> > + DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
> > + DMI_MATCH(DMI_PRODUCT_NAME, "HP ProBook "),
> > + DMI_MATCH(DMI_PRODUCT_NAME, " G1"),
> > + },
> > + },
> > + {
> > + .callback = dmi_disable_osi_win8,
> > + .ident = "HP EliteBook 2013 models",
> > + .matches = {
> > + DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
> > + DMI_MATCH(DMI_PRODUCT_NAME, "HP EliteBook "),
> > + DMI_MATCH(DMI_PRODUCT_NAME, " G1"),
> > + },
> > + },
> > + {
> > + .callback = dmi_disable_osi_win8,
> > + .ident = "HP ZBook 14",
> > + .matches = {
> > + DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
> > + DMI_MATCH(DMI_PRODUCT_NAME, "HP ZBook 14"),
> > + },
> > + },
> > + {
> > + .callback = dmi_disable_osi_win8,
> > + .ident = "HP ZBook 15",
> > + .matches = {
> > + DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
> > + DMI_MATCH(DMI_PRODUCT_NAME, "HP ZBook 15"),
> > + },
> > + },
> > + {
> > + .callback = dmi_disable_osi_win8,
> > + .ident = "HP ZBook 17",
> > + .matches = {
> > + DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
> > + DMI_MATCH(DMI_PRODUCT_NAME, "HP ZBook 17"),
> > + },
> > + },
> > + {
> > + .callback = dmi_disable_osi_win8,
> > + .ident = "HP EliteBook 8780w",
> > + .matches = {
> > + DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
> > + DMI_MATCH(DMI_PRODUCT_NAME, "HP EliteBook 8780w"),
> > + },
> > + },
> >
> > /*
> > * BIOS invocation of _OSI(Linux) is almost always a BIOS bug.
> >
>
> --
> I speak only for myself.
> Rafael J. Wysocki, Intel Open Source Technology Center.
>
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