summaryrefslogtreecommitdiffstats
path: root/Documentation/ABI/testing/sysfs-class-lcd
diff options
context:
space:
mode:
Diffstat (limited to '')
-rw-r--r--Documentation/ABI/testing/sysfs-class-lcd23
-rw-r--r--Documentation/ABI/testing/sysfs-class-lcd-s6e63m027
2 files changed, 50 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-class-lcd b/Documentation/ABI/testing/sysfs-class-lcd
new file mode 100644
index 000000000..35906bf7a
--- /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.
diff --git a/Documentation/ABI/testing/sysfs-class-lcd-s6e63m0 b/Documentation/ABI/testing/sysfs-class-lcd-s6e63m0
new file mode 100644
index 000000000..ae0a2d3dc
--- /dev/null
+++ b/Documentation/ABI/testing/sysfs-class-lcd-s6e63m0
@@ -0,0 +1,27 @@
+sysfs interface for the S6E63M0 AMOLED LCD panel driver
+-------------------------------------------------------
+
+What: /sys/class/lcd/<lcd>/gamma_mode
+Date: May, 2010
+KernelVersion: v2.6.35
+Contact: dri-devel@lists.freedesktop.org
+Description:
+ (RW) Read or write the gamma mode. Following three modes are
+ supported:
+ 0 - gamma value 2.2,
+ 1 - gamma value 1.9 and
+ 2 - gamma value 1.7.
+
+
+What: /sys/class/lcd/<lcd>/gamma_table
+Date: May, 2010
+KernelVersion: v2.6.35
+Contact: dri-devel@lists.freedesktop.org
+Description:
+ (RO) Displays the size of the gamma table i.e. the number of
+ gamma modes available.
+
+This is a backlight lcd driver. These interfaces are an extension to the API
+documented in Documentation/ABI/testing/sysfs-class-lcd and in
+Documentation/ABI/stable/sysfs-class-backlight (under
+/sys/class/backlight/<backlight>/).