From 9aabfcbadeb01a73f5d05bf98c03adaf86a90294 Mon Sep 17 00:00:00 2001
From: funman <funman@a1c6a512-1295-4272-9138-f99709370657>
Date: Tue, 20 Jul 2010 05:55:32 +0000
Subject: [PATCH] buttonlight for new fuzev2

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@27501 a1c6a512-1295-4272-9138-f99709370657
---
 firmware/target/arm/as3525/sansa-fuzev2/backlight-fuzev2.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/firmware/target/arm/as3525/sansa-fuzev2/backlight-fuzev2.c b/firmware/target/arm/as3525/sansa-fuzev2/backlight-fuzev2.c
index 6797903ba..eebe9b945 100644
--- a/firmware/target/arm/as3525/sansa-fuzev2/backlight-fuzev2.c
+++ b/firmware/target/arm/as3525/sansa-fuzev2/backlight-fuzev2.c
@@ -38,6 +38,10 @@ bool _backlight_init(void)
     ascodec_write_pmu(AS3543_BACKLIGHT, 1, 0x80);
     ascodec_write_pmu(AS3543_BACKLIGHT, 2, backlight_brightness * 10);
 
+    /* needed for button light */
+    if (fuzev2_variant == 1)
+        ascodec_write_pmu(0x1a, 1, 0x30);   /* MUX_PWGD = PWM */
+
     return true;
 }
 
@@ -65,6 +69,10 @@ void _buttonlight_on(void)
         GPIOB_PIN(5) = (1<<5);
         buttonlight_is_on = 1;
     }
+    else
+    {
+        ascodec_write_pmu(0x1a, 6, 0x80);   /* PWM inverted */
+    }
 }
 
 void _buttonlight_off(void)
@@ -75,4 +83,8 @@ void _buttonlight_off(void)
         GPIOB_DIR &= ~(1<<5);
         buttonlight_is_on = 0;
     }
+    else
+    {
+        ascodec_write_pmu(0x1a, 6, 0);      /* PWM not inverted */
+    }
 }
-- 
2.11.4.GIT