rpc_pmmap: Add support for 255 levels of backlight control using PWM

Increase the number of backlight control levels supported through
PMIC PWM approach from 100 levels to 255 levels

Change-Id: If01c46b8506197ad4edb7abaf4a0c263e40aac9f
Signed-off-by: Padmanabhan Komanduru <pkomandu@codeaurora.org>
diff --git a/arch/arm/mach-msm/rpc_pmapp.c b/arch/arm/mach-msm/rpc_pmapp.c
index 811e63c..1d18553 100644
--- a/arch/arm/mach-msm/rpc_pmapp.c
+++ b/arch/arm/mach-msm/rpc_pmapp.c
@@ -548,7 +548,7 @@
 
 int pmapp_disp_backlight_set_brightness(int value)
 {
-	if (value < 0 || value > 100)
+	if (value < 0 || value > 255)
 		return -EINVAL;
 
 	return pmapp_rpc_set_only(value, 0, 0, 0, 1,