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Searched refs:lightness (Results 1 – 2 of 2) sorted by relevance

/Linux-v4.19/drivers/video/backlight/
Dpwm_bl.c178 static u64 cie1931(unsigned int lightness, unsigned int scale) in cie1931() argument
182 lightness *= 100; in cie1931()
183 if (lightness <= (8 * scale)) { in cie1931()
184 retval = DIV_ROUND_CLOSEST_ULL(lightness * 10, 9023); in cie1931()
186 retval = int_pow((lightness + (16 * scale)) / 116, 3); in cie1931()
/Linux-v4.19/Documentation/media/uapi/v4l/
Dsubdev-formats.rst7378 - The hue, saturation, value or lightness and optional alpha components