diff options
Diffstat (limited to 'firmware/target')
| -rw-r--r-- | firmware/target/arm/imx233/creative-zen/backlight-zen.c | 16 |
1 files changed, 7 insertions, 9 deletions
diff --git a/firmware/target/arm/imx233/creative-zen/backlight-zen.c b/firmware/target/arm/imx233/creative-zen/backlight-zen.c index ef2ab615a5..7d99092e2f 100644 --- a/firmware/target/arm/imx233/creative-zen/backlight-zen.c +++ b/firmware/target/arm/imx233/creative-zen/backlight-zen.c @@ -27,6 +27,7 @@ #include "uartdbg-imx233.h" #include "pinctrl-imx233.h" #include "pwm-imx233.h" +#include "kernel.h" void backlight_hw_brightness(int level) { @@ -37,15 +38,9 @@ void backlight_hw_brightness(int level) lcd_set_contrast(level); #else unsigned val = (level + 200) * level / 1000; - if(level != 0) - { - for(unsigned mask = 0x10; mask; mask >>= 1) - imx233_uartdbg_send((val & mask) ? 0xff : 0xf8); - imx233_uartdbg_send(0); - imx233_pinctrl_set_gpio(1, 12, true); - } - else - imx233_pinctrl_set_gpio(1, 12, false); + for(unsigned mask = 0x10; mask; mask >>= 1) + imx233_uartdbg_send((val & mask) ? 0xff : 0xf8); + imx233_uartdbg_send(0); #endif } @@ -64,7 +59,9 @@ void backlight_hw_on(void) { #ifdef HAVE_LCD_ENABLE lcd_enable(true); /* power on lcd + visible display */ + sleep(HZ / 10); /* make sure screen is not white anymore */ #endif + imx233_pinctrl_set_gpio(1, 12, true); /* restore the previous backlight level */ backlight_hw_brightness(backlight_brightness); } @@ -73,6 +70,7 @@ void backlight_hw_off(void) { /* there is no real on/off but we can set to 0 brightness */ backlight_hw_brightness(0); + imx233_pinctrl_set_gpio(1, 12, false); #ifdef HAVE_LCD_ENABLE lcd_enable(false); /* power off visible display */ #endif |