X-Git-Url: http://git.rot13.org/?a=blobdiff_plain;f=src%2Ftarget%2Ffirmware%2Fcalypso%2Fbacklight.c;h=a18dcb914053c26cf577b0b1708dfbf541e00589;hb=71d21be87410f90e7f2129c02cb42e6c159d7aee;hp=e2ff29ccb356c75b0977f71dbe9fc531a9d99055;hpb=298b361b133a54f3b7c39d168e5028e69e736113;p=osmocom-bb.git

diff --git a/src/target/firmware/calypso/backlight.c b/src/target/firmware/calypso/backlight.c
index e2ff29c..a18dcb9 100644
--- a/src/target/firmware/calypso/backlight.c
+++ b/src/target/firmware/calypso/backlight.c
@@ -31,7 +31,7 @@
 
 enum pwl_reg {
 	PWL_LEVEL	= 0,
-	PWL_CTRL	= 2,
+	PWL_CTRL	= 1,
 };
 
 #define ASCONF_PWL_ENA	(1 << 4)
@@ -43,6 +43,7 @@ void bl_mode_pwl(int on)
 	reg = readw(ASIC_CONF_REG);
 
 	if (on) {
+		/* Enable pwl */
 		writeb(0x01, PWL_REG(PWL_CTRL));
 		/* Switch pin from LT to PWL */
 		reg |= ASCONF_PWL_ENA;
@@ -51,6 +52,7 @@ void bl_mode_pwl(int on)
 		/* Switch pin from PWL to LT */
 		reg |= ~ASCONF_PWL_ENA;
 		writew(reg, ASIC_CONF_REG);
+		/* Disable pwl */
 		writeb(0x00, PWL_REG(PWL_CTRL));
 	}
 }