Fix the LCD line remaining active after shutdown on grayscale ipods (FS#5199). Original patch by Tomasz Mon, modified by me.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@14907 a1c6a512-1295-4272-9138-f99709370657

1 files changed, 9 insertions, 0 deletions

diff --git a/firmware/target/arm/ipod/lcd-gray.c b/firmware/target/arm/ipod/lcd-gray.c
index 265cc447d7..707075b701 100644
--- a/firmware/target/arm/ipod/lcd-gray.c
+++ b/firmware/target/arm/ipod/lcd-gray.c
@@ -368,3 +368,12 @@ void lcd_update(void)
 {
     lcd_update_rect(0, 0, LCD_WIDTH, LCD_HEIGHT);
 }
+
+#ifdef HAVE_LCD_SHUTDOWN
+/* LCD powerdown */
+void lcd_shutdown(void)
+{
+    lcd_cmd_and_data(R_POWER_CONTROL, 0x1500); /* Turn off op amp power */
+    lcd_cmd_and_data(R_POWER_CONTROL, 0x1502); /* Put LCD driver in standby */
+}
+#endif