diff options
| author | Maurus Cuelenaere <mcuelenaere@gmail.com> | 2009-06-16 11:41:48 +0000 |
|---|---|---|
| committer | Maurus Cuelenaere <mcuelenaere@gmail.com> | 2009-06-16 11:41:48 +0000 |
| commit | 143f62e8cc2404cf6b208caca795d5b31477dd60 (patch) | |
| tree | 8b7a29456150f136058c44510f7f7e21985f2f51 /firmware/target/mips | |
| parent | d6ad019af3ebb38a026821f7c34fe1c8818f14e6 (diff) | |
Onda VX747: fix backlight driver so it doesn't 'flicker' upon init
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@21310 a1c6a512-1295-4272-9138-f99709370657
Diffstat (limited to 'firmware/target/mips')
| -rw-r--r-- | firmware/target/mips/ingenic_jz47xx/onda_vx747/backlight-onda_vx7X7.c | 11 |
1 files changed, 2 insertions, 9 deletions
diff --git a/firmware/target/mips/ingenic_jz47xx/onda_vx747/backlight-onda_vx7X7.c b/firmware/target/mips/ingenic_jz47xx/onda_vx747/backlight-onda_vx7X7.c index f2ef3f7dc1..e59f1812c1 100644 --- a/firmware/target/mips/ingenic_jz47xx/onda_vx747/backlight-onda_vx7X7.c +++ b/firmware/target/mips/ingenic_jz47xx/onda_vx747/backlight-onda_vx7X7.c @@ -35,9 +35,6 @@ static int old_val; static void set_backlight(int val) { - if(val == old_val) - return; - /* The pulse repetition frequency should be greater than 100Hz so the flickering is not perceptible to the human eye but not greater than about 1kHz. */ @@ -62,15 +59,12 @@ static void set_backlight(int val) static void set_backlight_on(void) { set_backlight(old_val); - - __tcu_enable_pwm_output(BACKLIGHT_PWM); - __tcu_start_counter(BACKLIGHT_PWM); } static void set_backlight_off(void) { - __tcu_stop_counter(BACKLIGHT_PWM); __tcu_disable_pwm_output(BACKLIGHT_PWM); + __tcu_stop_counter(BACKLIGHT_PWM); } bool _backlight_init(void) @@ -81,7 +75,7 @@ bool _backlight_init(void) __tcu_stop_counter(BACKLIGHT_PWM); __tcu_init_pwm_output_low(BACKLIGHT_PWM); __tcu_set_pwm_output_shutdown_graceful(BACKLIGHT_PWM); - __tcu_enable_pwm_output(BACKLIGHT_PWM); + __tcu_disable_pwm_output(BACKLIGHT_PWM); __tcu_select_rtcclk(BACKLIGHT_PWM); /* 32.768 kHz */ __tcu_select_clk_div1(BACKLIGHT_PWM); @@ -90,7 +84,6 @@ bool _backlight_init(void) __tcu_mask_full_match_irq(BACKLIGHT_PWM); old_val = MAX_BRIGHTNESS_SETTING; - set_backlight_on(); return true; } |