1 files changed, 69 insertions, 0 deletions

diff --git a/firmware/target/arm/s5l8702/ipod6g/backlight-6g.c b/firmware/target/arm/s5l8702/ipod6g/backlight-6g.c
new file mode 100644
index 0000000000..7d1c8bde13
--- /dev/null
+++ b/firmware/target/arm/s5l8702/ipod6g/backlight-6g.c
@@ -0,0 +1,69 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ * $Id: backlight-nano2g.c 28601 2010-11-14 20:39:18Z theseven $
+ *
+ * Copyright (C) 2009 by Dave Chapman
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ****************************************************************************/
+#include <stdbool.h>
+
+#include "config.h"
+#include "kernel.h"
+#include "backlight.h"
+#include "backlight-target.h"
+#include "pmu-target.h"
+
+#ifdef HAVE_LCD_SLEEP
+bool lcd_active(void);
+void lcd_awake(void);
+void lcd_update(void);
+#endif
+
+void backlight_hw_brightness(int brightness)
+{
+    pmu_write(0x28, brightness);
+}
+
+void backlight_hw_on(void)
+{
+#ifdef HAVE_LCD_SLEEP
+    if (!lcd_active())
+    {
+        lcd_awake();
+        lcd_update();
+        sleep(HZ/20);
+    }
+#endif
+    pmu_write(0x29, 1);
+}
+
+void backlight_hw_off(void)
+{
+    pmu_write(0x29, 0);
+}
+
+bool backlight_hw_init(void)
+{
+    /* LEDCTL: overvoltage protection enabled, OCP limit is 500mA */
+    pmu_write(0x2a, 0x05);
+
+    pmu_write(0x2b, 0x14);  /* T_dimstep = 16 * value / 32768 */
+    backlight_hw_brightness(DEFAULT_BRIGHTNESS_SETTING);
+
+    backlight_hw_on();
+
+    return true;
+}