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Only stop backlight pwm timer if display is fully dimmed either

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on or off.


git-svn-id: svn://svn.rockbox.org/rockbox/trunk@6765 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Miika Pekkarinen 2005-06-19 10:12:11 +00:00
parent 0a81bb344e
commit 6b3a14a7fd
1 changed files with 3 additions and 2 deletions
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5
firmware/backlight.c
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@ -63,7 +63,6 @@ static unsigned int remote_backlight_timeout = 5;
#define BL_PWM_COUNT 100
/* Cycle interval in ms */
#define BL_PWM_INTERVAL 5000
#define BL_PWM_INTERVAL_IDLE 500000
#define BL_DIM_SPEED 4
#define __backlight_on __backlight_fade_in
#define __backlight_off __backlight_fade_out
@ -116,6 +115,7 @@ void TIMER1(void) __attribute__ ((interrupt_handler));
void TIMER1(void)
{
int timer_period;
bool idle = false;
#ifdef HAVE_REMOTE_LCD_DIMMABLE
int new_timer_period;
#endif
@ -133,6 +133,7 @@ void TIMER1(void)
timer_period = timer_period * bl_pwm_counter / BL_PWM_COUNT;
bl_dim_state = DIM_STATE_MAIN;
} else {
idle = true;
if (bl_dim_current)
GPIO1_OUT &= ~0x00020000;
else
@ -144,6 +145,7 @@ void TIMER1(void)
bl_pwm_remote_counter = 0;
if (bl_dim_remote_current > 0 &&
bl_dim_remote_current < BL_PWM_COUNT) {
idle = false;
GPIO_OUT &= ~0x00000800;
bl_pwm_remote_counter = bl_dim_remote_current;
if (bl_dim_state == DIM_STATE_START) {
@ -204,7 +206,6 @@ void TIMER1(void)
}
if (bl_cycle_counter >= BL_DIM_SPEED) {
bool idle = true;
if (bl_dim_target > bl_dim_current) {
bl_dim_current++;
idle = false;