From 6275ce9f7ffdccd414a92f6ec8fe0d7584037ee5 Mon Sep 17 00:00:00 2001
From: "Kim, Milo" <Milo.Kim@ti.com>
Date: Thu, 4 Oct 2012 17:12:50 -0700
Subject: [PATCH] backlight: lp855x: add FAST bit description for LP8556
LP8556 backlight driver supports fast refresh mode when exiting the low
power mode. This bit can be configurable in the platform side.
Signed-off-by: Milo(Woogyom) Kim <milo.kim@ti.com>
Cc: Richard Purdie <rpurdie@rpsys.net>
Cc: Bryan Wu <bryan.wu@canonical.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
include/linux/platform_data/lp855x.h | 2 ++
1 file changed, 2 insertions(+)
diff --git a/include/linux/platform_data/lp855x.h b/include/linux/platform_data/lp855x.h
index cc76f1f18f18..761f31752367 100644
--- a/include/linux/platform_data/lp855x.h
+++ b/include/linux/platform_data/lp855x.h
@@ -46,6 +46,8 @@
#define LP8556_I2C_CONFIG ((ENABLE_BL << BL_CTL_SHFT) | \
(LP8556_I2C_ONLY << BRT_MODE_SHFT))
#define LP8556_COMB2_CONFIG (LP8556_COMBINED2 << BRT_MODE_SHFT)
+#define LP8556_FAST_CONFIG BIT(7) /* use it if EPROMs should be maintained
+ when exiting the low power mode */
enum lp855x_chip_id {
LP8550,
--
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