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| author | Corentin Chary <corentin.chary@gmail.com> | 2012-06-13 09:32:01 +0200 |
|---|---|---|
| committer | Matthew Garrett <mjg@redhat.com> | 2012-07-28 00:11:48 -0400 |
| commit | f838eb5bd257e8a666aa8c451058fa198df7e299 (patch) | |
| tree | 4a0ce12abef63c20367256b24f1bdf183f284238 /drivers/platform/x86/apple-gmux.c | |
| parent | 1eb3fe1d3b6b9bf6045eb12f0c3ac12569169870 (diff) | |
| download | lwn-f838eb5bd257e8a666aa8c451058fa198df7e299.tar.gz lwn-f838eb5bd257e8a666aa8c451058fa198df7e299.zip | |
acpi: add a way to promote/demote vendor backlight drivers
Instead of adding a big blacklist in video_detect.c to set
ACPI_VIDEO_BACKLIGHT_DMI_VENDOR correctly, let external modules
promote or demote themselves when they know the generic video
module won't work.
Currently drivers where using acpi_video_unregister() directly
but:
- That didn't respect any acpi_backlight=[video|vendor] parameter
provided by the user.
- Any later call to acpi_video_register() would still re-load the
generic video module (and some gpu drivers are doing that).
This patch fix those two issues.
Signed-off-by: Corentin Chary <corentin.chary@gmail.com>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
Diffstat (limited to 'drivers/platform/x86/apple-gmux.c')
0 files changed, 0 insertions, 0 deletions