Lines Matching defs:alpha
23 /* Maximum value for alpha on ISP interface */
72 * Compute an alpha value for the ISP kernel from sigma value on the host
78 s32 alpha;
82 alpha = XNR_MAX_ALPHA;
84 alpha = ((IA_CSS_XNR3_SIGMA_SCALE * XNR_ALPHA_SCALE_FACTOR) + offset) / sigma;
86 if (alpha > XNR_MAX_ALPHA)
87 alpha = XNR_MAX_ALPHA;
90 return alpha;
167 /* alpha's are represented in qN.5 format */
168 to->alpha.y0 = alpha_y0;
169 to->alpha.u0 = alpha_u0;
170 to->alpha.v0 = alpha_v0;
171 to->alpha.ydiff = min(max(alpha_ydiff, min_diff), max_diff);
172 to->alpha.udiff = min(max(alpha_udiff, min_diff), max_diff);
173 to->alpha.vdiff = min(max(alpha_vdiff, min_diff), max_diff);