diff options
| author | Alex Hung <alex.hung@canonical.com> | 2020-09-13 16:34:03 -0600 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-11-05 11:06:59 +0100 |
| commit | 16d8a0bddab4a2304ccaed994f0eae17bd3a9bf1 (patch) | |
| tree | 672ef5109573c9509e63ec7ba7101e9470b05314 /drivers/acpi | |
| parent | 423ea50fa008a59f1f074a23f9d845d887fade56 (diff) | |
ACPI: video: use ACPI backlight for HP 635 Notebook
commit b226faab4e7890bbbccdf794e8b94276414f9058 upstream.
The default backlight interface is AMD's radeon_bl0 which does not
work on this system, so use the ACPI backlight interface on it
instead.
BugLink: https://bugs.launchpad.net/bugs/1894667
Cc: All applicable <stable@vger.kernel.org>
Signed-off-by: Alex Hung <alex.hung@canonical.com>
[ rjw: Changelog edits ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/acpi')
| -rw-r--r-- | drivers/acpi/video_detect.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/acpi/video_detect.c b/drivers/acpi/video_detect.c index ab1da5e6e7e3..86ffb4af4afc 100644 --- a/drivers/acpi/video_detect.c +++ b/drivers/acpi/video_detect.c @@ -274,6 +274,15 @@ static const struct dmi_system_id video_detect_dmi_table[] = { DMI_MATCH(DMI_PRODUCT_NAME, "530U4E/540U4E"), }, }, + /* https://bugs.launchpad.net/bugs/1894667 */ + { + .callback = video_detect_force_video, + .ident = "HP 635 Notebook", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"), + DMI_MATCH(DMI_PRODUCT_NAME, "HP 635 Notebook PC"), + }, + }, /* Non win8 machines which need native backlight nevertheless */ { |