diff mbox

[13/24] video/lcd: document sysfs interface

Message ID 1251464215-6540-14-git-send-email-corentincj@iksaif.net (mailing list archive)
State Accepted
Headers show

Commit Message

Corentin Chary Aug. 28, 2009, 12:56 p.m. UTC
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>
---
 Documentation/ABI/testing/sysfs-class-lcd |   23 +++++++++++++++++++++++
 1 files changed, 23 insertions(+), 0 deletions(-)
 create mode 100644 Documentation/ABI/testing/sysfs-class-lcd

Comments

Richard Purdie Sept. 1, 2009, 2:43 p.m. UTC | #1
On Fri, 2009-08-28 at 14:56 +0200, Corentin Chary wrote:
> Date and KernelVersion may be wrong because the lcd
> interface was introduced before git initial import.
> 
> Signed-off-by: Corentin Chary <corentincj@iksaif.net>
Acked-by: Richard Purdie <rpurdie@linux.intel.com>

> ---
>  Documentation/ABI/testing/sysfs-class-lcd |   23 +++++++++++++++++++++++
>  1 files changed, 23 insertions(+), 0 deletions(-)
>  create mode 100644 Documentation/ABI/testing/sysfs-class-lcd


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diff mbox

Patch

diff --git a/Documentation/ABI/testing/sysfs-class-lcd b/Documentation/ABI/testing/sysfs-class-lcd
new file mode 100644
index 0000000..35906bf
--- /dev/null
+++ b/Documentation/ABI/testing/sysfs-class-lcd
@@ -0,0 +1,23 @@ 
+What:		/sys/class/lcd/<lcd>/lcd_power
+Date:		April 2005
+KernelVersion:	2.6.12
+Contact:	Richard Purdie <rpurdie@rpsys.net>
+Description:
+		Control LCD power, values are FB_BLANK_* from fb.h
+		 - FB_BLANK_UNBLANK (0)   : power on.
+		 - FB_BLANK_POWERDOWN (4) : power off
+
+What:		/sys/class/lcd/<lcd>/contrast
+Date:		April 2005
+KernelVersion:	2.6.12
+Contact:	Richard Purdie <rpurdie@rpsys.net>
+Description:
+		Current contrast of this LCD device. Value is between 0 and
+		/sys/class/lcd/<lcd>/max_contrast.
+
+What:		/sys/class/lcd/<lcd>/max_contrast
+Date:		April 2005
+KernelVersion:	2.6.12
+Contact:	Richard Purdie <rpurdie@rpsys.net>
+Description:
+		Maximum contrast for this LCD device.