PWM_LUMINANCE_SCALE (reference) in projects: device - OpenGrok search results

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Searched refs:PWM_LUMINANCE_SCALE (Results 1 - 1 of 1) sorted by relevance

/device/soc/rockchip/common/sdk_linux/drivers/video/backlight/
H A D	pwm_bl.c	154 #define PWM_LUMINANCE_SCALE (1 << PWM_LUMINANCE_SHIFT) /* luminance scale / macro 178 PWM_LUMINANCE_SCALE. Convert to a percentage, still in cie1931() 183 if (lightness <= (0x8 * PWM_LUMINANCE_SCALE)) { in cie1931() 186 retval = (lightness + (0x10 * PWM_LUMINANCE_SCALE)) / 0x74; in cie1931() 219 retval = cie1931((i * PWM_LUMINANCE_SCALE) / data->max_brightness) * period; in pwm_backlight_brightness_default() 220 retval = DIV_ROUND_CLOSEST_ULL(retval, PWM_LUMINANCE_SCALE); in pwm_backlight_brightness_default()

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