aboutsummaryrefslogtreecommitdiffstats
path: root/Documentation/ABI/testing
diff options
context:
space:
mode:
authorCorentin Chary <corentincj@iksaif.net>2009-08-28 08:56:44 -0400
committerLen Brown <len.brown@intel.com>2009-08-28 15:21:12 -0400
commit243ca3e401bc62e704785d215931f1a51fd53bd7 (patch)
tree513e97e3fb2dd05185606538ceb0f46a2e6f4b11 /Documentation/ABI/testing
parent3c4c1b69a2d76ac9a1c716233fde956dba757d76 (diff)
video/lcd: document sysfs interface
Date and KernelVersion may be wrong because the lcd interface was introduced before git initial import. Cc: Richard Purdie <rpurdie@rpsys.net> Signed-off-by: Corentin Chary <corentincj@iksaif.net> Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'Documentation/ABI/testing')
-rw-r--r--Documentation/ABI/testing/sysfs-class-lcd23
1 files changed, 23 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-class-lcd b/Documentation/ABI/testing/sysfs-class-lcd
new file mode 100644
index 000000000000..35906bf7aa70
--- /dev/null
+++ b/Documentation/ABI/testing/sysfs-class-lcd
@@ -0,0 +1,23 @@
1What: /sys/class/lcd/<lcd>/lcd_power
2Date: April 2005
3KernelVersion: 2.6.12
4Contact: Richard Purdie <rpurdie@rpsys.net>
5Description:
6 Control LCD power, values are FB_BLANK_* from fb.h
7 - FB_BLANK_UNBLANK (0) : power on.
8 - FB_BLANK_POWERDOWN (4) : power off
9
10What: /sys/class/lcd/<lcd>/contrast
11Date: April 2005
12KernelVersion: 2.6.12
13Contact: Richard Purdie <rpurdie@rpsys.net>
14Description:
15 Current contrast of this LCD device. Value is between 0 and
16 /sys/class/lcd/<lcd>/max_contrast.
17
18What: /sys/class/lcd/<lcd>/max_contrast
19Date: April 2005
20KernelVersion: 2.6.12
21Contact: Richard Purdie <rpurdie@rpsys.net>
22Description:
23 Maximum contrast for this LCD device.