devs/foxbox
1
0
Fork 0
forked from len0rd/rockbox
Code Pull requests Activity

Onda VX747: fix LCD bug by blocking lcd_update_rect() requests

Browse source 
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@19200 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Maurus Cuelenaere 2008-11-24 18:41:17 +00:00
parent 3761c0108c
commit 11c63f2f22
1 changed files with 6 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

6
firmware/target/mips/ingenic_jz47xx/lcd-jz4740.c
View file

@ -28,12 +28,14 @@
static volatile bool _lcd_on = false;
static volatile bool lcd_poweroff = false;
static struct mutex lcd_mtx;
/* LCD init */
void lcd_init_device(void)
{
lcd_init_controller();
_lcd_on = true;
mutex_init(&lcd_mtx);
}
void lcd_enable(bool state)
@ -57,6 +59,8 @@ bool lcd_enabled(void)
/* Update a fraction of the display. */
void lcd_update_rect(int x, int y, int width, int height)
{
mutex_lock(&lcd_mtx);
lcd_set_target(x, y, width, height);
REG_DMAC_DCCSR(DMA_LCD_CHANNEL) = 0;
@ -83,6 +87,8 @@ void lcd_update_rect(int x, int y, int width, int height)
while(REG_SLCD_STATE & SLCD_STATE_BUSY);
REG_SLCD_CTRL = 0;
mutex_unlock(&lcd_mtx);
}
/* Update the display.