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@xxxxxxxxxxxxxxx Signed-off-by: Dmitry Tunin <hanipouspilot@xxxxxxxxx> --- 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"), + }, + }, {} };
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