projects / ipfire-2.x.git / blame
| Commit | Line | Data |
|---|---|---|
| 2cb7cef9 BS |
1 | From: Thomas Renninger <trenn@suse.de> |
| 2 | Subject: Blacklist HP laptop (6530b) to not use generic ACPI backlight interface | |
| 3 | References: bnc#491802 | |
| 4 | Patch-Mainline: never, this will be IGD driven which is too risky to backport | |
| 5 | ||
| 6 | ||
| 7 | Signed-off-by: Thomas Renninger <trenn@suse.de> | |
| 8 | ||
| 9 | --- | |
| 10 | drivers/acpi/video_detect.c | 20 ++++++++++++++++++++ | |
| 11 | 1 file changed, 20 insertions(+) | |
| 12 | ||
| 13 | Index: linux-2.6.27-SLE11_BRANCH/drivers/acpi/video_detect.c | |
| 14 | =================================================================== | |
| 15 | --- linux-2.6.27-SLE11_BRANCH.orig/drivers/acpi/video_detect.c | |
| 16 | +++ linux-2.6.27-SLE11_BRANCH/drivers/acpi/video_detect.c | |
| 17 | @@ -142,6 +142,25 @@ find_video(acpi_handle handle, u32 lvl, | |
| 18 | return AE_OK; | |
| 19 | } | |
| 20 | ||
| 21 | +static int set_dmi_blacklisting(const struct dmi_system_id *id) | |
| 22 | +{ | |
| 23 | + printk(KERN_NOTICE "%s detected - adjusting backlight video\n", | |
| 24 | + id->ident); | |
| 25 | + acpi_video_support |= (long)id->driver_data; | |
| 26 | + return 0; | |
| 27 | +} | |
| 28 | + | |
| 29 | +static struct dmi_system_id video_backlight_blacklist[] = { | |
| 30 | + { set_dmi_blacklisting, | |
| 31 | + "HP 6530b", { | |
| 32 | + DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"), | |
| 33 | + DMI_MATCH(DMI_PRODUCT_NAME, "6530b") | |
| 34 | + }, | |
| 35 | + (void *) ACPI_VIDEO_BACKLIGHT_DMI_VENDOR | |
| 36 | + }, | |
| 37 | + {}, | |
| 38 | +}; | |
| 39 | + | |
| 40 | /* | |
| 41 | * Returns the video capabilities of a specific ACPI graphics device | |
| 42 | * | |
| 43 | @@ -176,6 +195,7 @@ long acpi_video_get_capabilities(acpi_ha | |
| 44 | * ACPI_VIDEO_BACKLIGHT_DMI_VENDOR; | |
| 45 | *} | |
| 46 | */ | |
| 47 | + dmi_check_system(video_backlight_blacklist); | |
| 48 | } else { | |
| 49 | status = acpi_bus_get_device(graphics_handle, &tmp_dev); | |
| 50 | if (ACPI_FAILURE(status)) { |