Do core interrupt masking in a less general fashion and save some instructions to decrease size and speed things up a little bit. Small fix to a few places where interrupts would get enabled again where they shouldn't have been (context switching calls when disabled).

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@16811 a1c6a512-1295-4272-9138-f99709370657

1 files changed, 4 insertions, 4 deletions

diff --git a/firmware/target/arm/ipod/backlight-nano_video.c b/firmware/target/arm/ipod/backlight-nano_video.c
index 6d77e2bd03..647bab9ac6 100644
--- a/firmware/target/arm/ipod/backlight-nano_video.c
+++ b/firmware/target/arm/ipod/backlight-nano_video.c
@@ -43,11 +43,11 @@ void _backlight_set_brightness(int val)
     {
         do
         {
-            oldlevel = set_irq_level(HIGHEST_IRQ_LEVEL);
+            oldlevel = disable_irq_save();
             GPIO_CLEAR_BITWISE(GPIOD_OUTPUT_VAL, 0x80);
             udelay(10);
             GPIO_SET_BITWISE(GPIOD_OUTPUT_VAL, 0x80);
-            set_irq_level(oldlevel);
+            restore_irq(oldlevel);
             udelay(10);
         }
         while (++current_dim < val);
@@ -56,11 +56,11 @@ void _backlight_set_brightness(int val)
     {
         do
         {
-            oldlevel = set_irq_level(HIGHEST_IRQ_LEVEL);
+            oldlevel = disable_irq_save();
             GPIO_CLEAR_BITWISE(GPIOD_OUTPUT_VAL, 0x80);
             udelay(200);
             GPIO_SET_BITWISE(GPIOD_OUTPUT_VAL, 0x80);
-            set_irq_level(oldlevel);
+            restore_irq(oldlevel);
             udelay(10);
         }
         while (--current_dim > val);