The acpi_video0 interface doesn't not work on Dell Inspiron 3138, so using the vendor brightness interface, instead of the acpi one.
Signed-off-by: AceLan Kao <[email protected]> --- drivers/platform/x86/dell-laptop.c | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) diff --git a/drivers/platform/x86/dell-laptop.c b/drivers/platform/x86/dell-laptop.c index c608b1d..9d2a4af 100644 --- a/drivers/platform/x86/dell-laptop.c +++ b/drivers/platform/x86/dell-laptop.c @@ -62,6 +62,7 @@ struct calling_interface_structure { struct quirk_entry { u8 touchpad_led; + u8 vendor_backlight; }; static struct quirk_entry *quirks; @@ -70,6 +71,10 @@ static struct quirk_entry quirk_dell_vostro_v130 = { .touchpad_led = 1, }; +static struct quirk_entry quirk_dell_inspiron_3138 = { + .vendor_backlight = 1, +}; + static int dmi_matched(const struct dmi_system_id *dmi) { quirks = dmi->driver_data; @@ -268,6 +273,15 @@ static struct dmi_system_id dell_quirks[] = { }, .driver_data = &quirk_dell_vostro_v130, }, + { + .callback = dmi_matched, + .ident = "Dell Inspiron 3138", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), + DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 3138"), + }, + .driver_data = &quirk_dell_inspiron_3138, + }, { } }; @@ -843,6 +857,9 @@ static int __init dell_init(void) &dell_debugfs_fops); #ifdef CONFIG_ACPI + if (quirks && quirks->vendor_backlight) + acpi_video_dmi_promote_vendor(); + /* In the event of an ACPI backlight being available, don't * register the platform controller. */ -- 1.8.3.2 -- To unsubscribe from this list: send the line "unsubscribe platform-driver-x86" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
