207 static void vivid_fill_buff_noise(__s16 *tch_buf, int size)  in vivid_fill_buff_noise()  argument
216 			tch_buf[i] = 0;  in vivid_fill_buff_noise()
218 			tch_buf[i] = (rand / 10) % 7 - 3;  in vivid_fill_buff_noise()
228 			      __s16 *tch_buf,  in vivid_tch_buf_set()  argument
235 	tch_buf[index] = offset + get_random_pressure();  in vivid_tch_buf_set()
238 		tch_buf[index - 1] = offset + get_random_pressure();  in vivid_tch_buf_set()
240 		tch_buf[index + 1] = offset + get_random_pressure();  in vivid_tch_buf_set()
242 		tch_buf[index - f->width] = offset + get_random_pressure();  in vivid_tch_buf_set()
244 		tch_buf[index + f->width] = offset + get_random_pressure();  in vivid_tch_buf_set()
247 		tch_buf[index - 1 - f->width] = offset + get_random_pressure();  in vivid_tch_buf_set()
249 		tch_buf[index + 1 - f->width] = offset + get_random_pressure();  in vivid_tch_buf_set()
251 		tch_buf[index - 1 + f->width] = offset + get_random_pressure();  in vivid_tch_buf_set()
253 		tch_buf[index + 1 + f->width] = offset + get_random_pressure();  in vivid_tch_buf_set()
263 	__s16 *tch_buf = vb2_plane_vaddr(&buf->vb.vb2_buf, 0);  in vivid_fillbuff_tch()  local
269 	vivid_fill_buff_noise(tch_buf, size);  in vivid_fillbuff_tch()
281 			vivid_tch_buf_set(f, tch_buf, rand % size);  in vivid_fillbuff_tch()
285 			vivid_tch_buf_set(f, tch_buf, rand % size);  in vivid_fillbuff_tch()
289 			vivid_tch_buf_set(f, tch_buf, rand % size);  in vivid_fillbuff_tch()
292 		vivid_tch_buf_set(f, tch_buf,  in vivid_fillbuff_tch()
304 		vivid_tch_buf_set(f, tch_buf,  in vivid_fillbuff_tch()
306 		vivid_tch_buf_set(f, tch_buf,  in vivid_fillbuff_tch()
314 		vivid_tch_buf_set(f, tch_buf,  in vivid_fillbuff_tch()
316 		vivid_tch_buf_set(f, tch_buf,  in vivid_fillbuff_tch()
322 				tch_buf[x + f->width * y] = VIVID_MIN_PRESSURE +  in vivid_fillbuff_tch()
331 				vivid_tch_buf_set(f, tch_buf,  in vivid_fillbuff_tch()
339 		tch_buf[x] = (__force s16)__cpu_to_le16((u16)tch_buf[x]);  in vivid_fillbuff_tch()