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-rw-r--r--drivers/acpi/acpi_video.c48
-rw-r--r--drivers/acpi/video_detect.c35
2 files changed, 35 insertions, 48 deletions
diff --git a/drivers/acpi/acpi_video.c b/drivers/acpi/acpi_video.c
index a7c3d11e0dac..99894fbcf4e3 100644
--- a/drivers/acpi/acpi_video.c
+++ b/drivers/acpi/acpi_video.c
@@ -47,9 +47,6 @@ module_param(brightness_switch_enabled, bool, 0644);
static bool allow_duplicates;
module_param(allow_duplicates, bool, 0644);
-static int disable_backlight_sysfs_if = -1;
-module_param(disable_backlight_sysfs_if, int, 0444);
-
#define REPORT_OUTPUT_KEY_EVENTS 0x01
#define REPORT_BRIGHTNESS_KEY_EVENTS 0x02
static int report_key_events = -1;
@@ -394,14 +391,6 @@ static int video_set_bqc_offset(const struct dmi_system_id *d)
return 0;
}
-static int video_disable_backlight_sysfs_if(
- const struct dmi_system_id *d)
-{
- if (disable_backlight_sysfs_if == -1)
- disable_backlight_sysfs_if = 1;
- return 0;
-}
-
static int video_set_device_id_scheme(const struct dmi_system_id *d)
{
device_id_scheme = true;
@@ -475,40 +464,6 @@ static const struct dmi_system_id video_dmi_table[] = {
},
/*
- * Some machines have a broken acpi-video interface for brightness
- * control, but still need an acpi_video_device_lcd_set_level() call
- * on resume to turn the backlight power on. We Enable backlight
- * control on these systems, but do not register a backlight sysfs
- * as brightness control does not work.
- */
- {
- /* https://bugzilla.kernel.org/show_bug.cgi?id=21012 */
- .callback = video_disable_backlight_sysfs_if,
- .ident = "Toshiba Portege R700",
- .matches = {
- DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
- DMI_MATCH(DMI_PRODUCT_NAME, "PORTEGE R700"),
- },
- },
- {
- /* https://bugs.freedesktop.org/show_bug.cgi?id=82634 */
- .callback = video_disable_backlight_sysfs_if,
- .ident = "Toshiba Portege R830",
- .matches = {
- DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
- DMI_MATCH(DMI_PRODUCT_NAME, "PORTEGE R830"),
- },
- },
- {
- /* https://bugzilla.kernel.org/show_bug.cgi?id=21012 */
- .callback = video_disable_backlight_sysfs_if,
- .ident = "Toshiba Satellite R830",
- .matches = {
- DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
- DMI_MATCH(DMI_PRODUCT_NAME, "SATELLITE R830"),
- },
- },
- /*
* Some machine's _DOD IDs don't have bit 31(Device ID Scheme) set
* but the IDs actually follow the Device ID Scheme.
*/
@@ -1770,9 +1725,6 @@ static void acpi_video_dev_register_backlight(struct acpi_video_device *device)
if (result)
return;
- if (disable_backlight_sysfs_if > 0)
- return;
-
name = kasprintf(GFP_KERNEL, "acpi_video%d", count);
if (!name)
return;
diff --git a/drivers/acpi/video_detect.c b/drivers/acpi/video_detect.c
index db2474fe58ac..0d9064a9804c 100644
--- a/drivers/acpi/video_detect.c
+++ b/drivers/acpi/video_detect.c
@@ -611,6 +611,41 @@ static const struct dmi_system_id video_detect_dmi_table[] = {
},
/*
+ * These Toshibas have a broken acpi-video interface for brightness
+ * control. They also have an issue where the panel is off after
+ * suspend until a special firmware call is made to turn it back
+ * on. This is handled by the toshiba_acpi kernel module, so that
+ * module must be enabled for these models to work correctly.
+ */
+ {
+ /* https://bugzilla.kernel.org/show_bug.cgi?id=21012 */
+ .callback = video_detect_force_native,
+ /* Toshiba Portégé R700 */
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "PORTEGE R700"),
+ },
+ },
+ {
+ /* Portégé: https://bugs.freedesktop.org/show_bug.cgi?id=82634 */
+ /* Satellite: https://bugzilla.kernel.org/show_bug.cgi?id=21012 */
+ .callback = video_detect_force_native,
+ /* Toshiba Satellite/Portégé R830 */
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "R830"),
+ },
+ },
+ {
+ .callback = video_detect_force_native,
+ /* Toshiba Satellite/Portégé Z830 */
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "Z830"),
+ },
+ },
+
+ /*
* Desktops which falsely report a backlight and which our heuristics
* for this do not catch.
*/