/**
* Ambient Light Sensor filter for display brightness
*
* @param data The un-processed brightness setting (1-5) stored in a pointer
* @return The processed brightness value (percentage) stored in a pointer
*/
static gpointer display_brightness_filter(gpointer data)
{
int setting = GPOINTER_TO_INT(data);
if( setting < 1 ) setting = 1; else
if( setting > 100 ) setting = 100;
int brightness = setting;
int max_prof = lut_display.profiles - 1;
if( max_prof < 0 )
goto EXIT;
if( !use_als_flag )
goto EXIT;
if( als_lux_latest < 0 )
goto EXIT;
als_profile_t prof = mce_xlat_int(1,100, 0,max_prof, setting);
brightness = als_filter_run(&lut_display, prof, als_lux_latest);
EXIT:
mce_log(LL_DEBUG, "in=%d -> out=%d", setting, brightness);
return GINT_TO_POINTER(brightness);
}
/**
* Ambient Light Sensor filter for keyboard backlight brightness
*
* @param data The un-processed brightness setting (1-5) stored in a pointer
* @return The processed brightness value
*/
static gpointer key_backlight_filter(gpointer data)
{
int value = GPOINTER_TO_INT(data);
int scale = 100;
if( als_lux_latest < 0 )
goto EXIT;
scale = als_filter_run(&lut_key, ALS_PROFILE_NORMAL, als_lux_latest);
EXIT:
return GINT_TO_POINTER(value * scale / 100);
}
/**
* Ambient Light Sensor filter for LED brightness
*
* @param data The un-processed brightness setting (1-5) stored in a pointer
* @return The processed brightness value
*/
static gpointer led_brightness_filter(gpointer data)
{
int value = GPOINTER_TO_INT(data);
int scale = 40;
if( lut_led.profiles < 1 )
goto EXIT;
if( als_lux_latest < 0 )
goto EXIT;
scale = als_filter_run(&lut_led, 0, als_lux_latest);
EXIT:
return GINT_TO_POINTER(value * scale / 100);
}
/** Ambient Light Sensor filter for LPM brightness
*
* @param data The un-processed brightness setting (1-100) stored in a pointer
* @return The processed brightness value
*/
static gpointer lpm_brightness_filter(gpointer data)
{
int value = GPOINTER_TO_INT(data);
if( lut_lpm.profiles < 1 )
goto EXIT;
if( als_lux_latest < 0 )
goto EXIT;
/* Note: Input value is ignored and output is
* determined only by the als config */
value = als_filter_run(&lut_lpm, 0, als_lux_latest);
EXIT:
return GINT_TO_POINTER(value);
}
/**
* Ambient Light Sensor filter for display brightness
*
* @param data The un-processed brightness setting (1-5) stored in a pointer
* @return The processed brightness value (percentage) stored in a pointer
*/
static gpointer display_brightness_filter(gpointer data)
{
int setting = GPOINTER_TO_INT(data);
if( setting < 1 ) setting = 1; else
if( setting > 5 ) setting = 5;
int brightness = setting * 20;
if( !use_als_flag )
goto EXIT;
if( als_lux_latest < 0 )
goto EXIT;
als_profile_t prof = setting - 1;
brightness = als_filter_run(&lut_display, prof, als_lux_latest);
EXIT:
mce_log(LL_DEBUG, "in=%d -> out=%d", setting, brightness);
return GINT_TO_POINTER(brightness);
}
