From a6a10feace21bfc4ccc55a72c6e9386b465f894b Mon Sep 17 00:00:00 2001
From: jethead71 <jethead71@a1c6a512-1295-4272-9138-f99709370657>
Date: Tue, 11 Jan 2011 04:51:24 +0000
Subject: [PATCH] SA9200: Implement the backlight hold handling.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@29030 a1c6a512-1295-4272-9138-f99709370657
---
 firmware/target/arm/philips/sa9200/button-sa9200.c | 20 +++++++++++++++++---
 1 file changed, 17 insertions(+), 3 deletions(-)

diff --git a/firmware/target/arm/philips/sa9200/button-sa9200.c b/firmware/target/arm/philips/sa9200/button-sa9200.c
index 9fab3d406..e3d569f42 100644
--- a/firmware/target/arm/philips/sa9200/button-sa9200.c
+++ b/firmware/target/arm/philips/sa9200/button-sa9200.c
@@ -30,6 +30,8 @@
 static int int_btn = BUTTON_NONE;
 
 #ifndef BOOTLOADER
+static bool hold_button_old = false;
+
 void button_init_device(void)
 {
     /* The touchpad is powered on and initialized in power-sa9200.c
@@ -72,8 +74,10 @@ void button_int(void)
     }
 }
 #else
-void button_init_device(void){}
-#endif /* bootloader */
+void button_init_device(void)
+{
+}
+#endif /* BOOTLOADER */
 
 bool button_hold(void)
 {
@@ -86,8 +90,18 @@ bool button_hold(void)
 int button_read_device(void)
 {
     int btn = int_btn;
+    bool hold = !(GPIOL_INPUT_VAL & 0x40);
+
+#ifndef BOOTLOADER
+    /* Backlight hold handling */
+    if (hold != hold_button_old)
+    {
+        hold_button_old = hold;
+        backlight_hold_changed(hold);
+    }
+#endif
 
-    if (button_hold())
+    if (hold)
         return BUTTON_NONE;
 
     if (!(GPIOB_INPUT_VAL & 0x20)) btn |= BUTTON_POWER;
-- 
2.11.4.GIT