len0rd/rockbox
1
0
Fork 1
mirror of https://github.com/Rockbox/rockbox.git synced 2025-11-13 07:02:31 -05:00
Code Issues Projects Releases Packages Wiki Activity Actions

iPod Video LCD: Avoid white flash when entering sleep mode or shutting off.

Browse source 
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@29026 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Andree Buschmann 2011-01-10 20:56:19 +00:00
parent fadfa211d3
commit 9c5ce4d42e
2 changed files with 4 additions and 1 deletions
Download patch file Download diff file Expand all files Collapse all files

1
firmware/target/arm/ipod/backlight-nano_video.c
View file

@ -97,7 +97,6 @@ void _backlight_hw_enable(bool on)
{ {
GPIO_CLEAR_BITWISE(GPIOD_OUTPUT_VAL, 0x80); GPIO_CLEAR_BITWISE(GPIOD_OUTPUT_VAL, 0x80);
GPIO_CLEAR_BITWISE(GPIOB_OUTPUT_VAL, 0x08); GPIO_CLEAR_BITWISE(GPIOB_OUTPUT_VAL, 0x08);
sleep(HZ/20);
} }
enabled = on; enabled = on;
} }

4
firmware/target/arm/ipod/video/lcd-video.c
View file

@ -509,6 +509,10 @@ static void bcm_command(unsigned cmd)
static void bcm_powerdown(void) static void bcm_powerdown(void)
{ {
/* Immediately switch off the backlight to avoid flashing. */
_backlight_hw_enable(false);
/* Not sure what this does. */
bcm_write32(0x10001400, bcm_read32(0x10001400) & ~0xF0); bcm_write32(0x10001400, bcm_read32(0x10001400) & ~0xF0);
/* Blanks the LCD and decreases power consumption /* Blanks the LCD and decreases power consumption