16 	struct v4l2_pix_format *f = &dev->tch_format;  in touch_cap_queue_setup()  local
17 	unsigned int size = f->sizeimage;  in touch_cap_queue_setup()
33 	struct v4l2_pix_format *f = &dev->tch_format;  in touch_cap_buf_prepare()  local
34 	unsigned int size = f->sizeimage;  in touch_cap_buf_prepare()
115 int vivid_enum_fmt_tch(struct file *file, void  *priv, struct v4l2_fmtdesc *f)  in vivid_enum_fmt_tch()  argument
117 	if (f->index)  in vivid_enum_fmt_tch()
120 	f->pixelformat = V4L2_TCH_FMT_DELTA_TD16;  in vivid_enum_fmt_tch()
124 int vivid_g_fmt_tch(struct file *file, void *priv, struct v4l2_format *f)  in vivid_g_fmt_tch()  argument
130 	f->fmt.pix = dev->tch_format;  in vivid_g_fmt_tch()
134 int vivid_g_fmt_tch_mplane(struct file *file, void *priv, struct v4l2_format *f)  in vivid_g_fmt_tch_mplane()  argument
143 	fmt_sp2mp(&sp_fmt, f);  in vivid_g_fmt_tch_mplane()
182 	struct v4l2_pix_format *f = &dev->tch_format;  in vivid_set_touch()  local
187 	f->pixelformat = V4L2_TCH_FMT_DELTA_TD16;  in vivid_set_touch()
188 	f->width =  VIVID_TCH_WIDTH;  in vivid_set_touch()
189 	f->height = VIVID_TCH_HEIGHT;  in vivid_set_touch()
190 	f->field = V4L2_FIELD_NONE;  in vivid_set_touch()
191 	f->colorspace = V4L2_COLORSPACE_RAW;  in vivid_set_touch()
192 	f->bytesperline = f->width * sizeof(s16);  in vivid_set_touch()
193 	f->sizeimage = f->width * f->height * sizeof(s16);  in vivid_set_touch()
222 static void vivid_tch_buf_set(struct v4l2_pix_format *f,  in vivid_tch_buf_set()  argument
226 	unsigned int x = index % f->width;  in vivid_tch_buf_set()
227 	unsigned int y = index / f->width;  in vivid_tch_buf_set()
234 	if (x < f->width - 1)  in vivid_tch_buf_set()
237 		tch_buf[index - f->width] = offset + get_random_pressure();  in vivid_tch_buf_set()
238 	if (y < f->height - 1)  in vivid_tch_buf_set()
239 		tch_buf[index + f->width] = offset + get_random_pressure();  in vivid_tch_buf_set()
242 		tch_buf[index - 1 - f->width] = offset + get_random_pressure();  in vivid_tch_buf_set()
243 	if (x < f->width - 1 && y)  in vivid_tch_buf_set()
244 		tch_buf[index + 1 - f->width] = offset + get_random_pressure();  in vivid_tch_buf_set()
245 	if (x && y < f->height - 1)  in vivid_tch_buf_set()
246 		tch_buf[index - 1 + f->width] = offset + get_random_pressure();  in vivid_tch_buf_set()
247 	if (x < f->width - 1 && y < f->height - 1)  in vivid_tch_buf_set()
248 		tch_buf[index + 1 + f->width] = offset + get_random_pressure();  in vivid_tch_buf_set()
253 	struct v4l2_pix_format *f = &dev->tch_format;  in vivid_fillbuff_tch()  local
254 	int size = f->width * f->height;  in vivid_fillbuff_tch()
276 			vivid_tch_buf_set(f, tch_buf, rand % size);  in vivid_fillbuff_tch()
280 			vivid_tch_buf_set(f, tch_buf, rand % size);  in vivid_fillbuff_tch()
284 			vivid_tch_buf_set(f, tch_buf, rand % size);  in vivid_fillbuff_tch()
287 		vivid_tch_buf_set(f, tch_buf,  in vivid_fillbuff_tch()
288 				  (rand % f->height) * f->width +  in vivid_fillbuff_tch()
290 				  (f->width / TCH_PATTERN_COUNT));  in vivid_fillbuff_tch()
293 		x = f->width / 2;  in vivid_fillbuff_tch()
294 		y = f->height / 2;  in vivid_fillbuff_tch()
299 		vivid_tch_buf_set(f, tch_buf,  in vivid_fillbuff_tch()
300 				  (x - offset_x) + f->width * (y - offset_y));  in vivid_fillbuff_tch()
301 		vivid_tch_buf_set(f, tch_buf,  in vivid_fillbuff_tch()
302 				  (x + offset_x) + f->width * (y + offset_y));  in vivid_fillbuff_tch()
305 		x = f->width / 2;  in vivid_fillbuff_tch()
306 		y = f->height / 2;  in vivid_fillbuff_tch()
309 		vivid_tch_buf_set(f, tch_buf,  in vivid_fillbuff_tch()
310 				  (x - offset_x) + f->width * (y - offset_y));  in vivid_fillbuff_tch()
311 		vivid_tch_buf_set(f, tch_buf,  in vivid_fillbuff_tch()
312 				  (x + offset_x) + f->width * (y + offset_y));  in vivid_fillbuff_tch()
315 		for (x = 0; x < f->width; x++)  in vivid_fillbuff_tch()
316 			for (y = f->height / 2; y < f->height; y++)  in vivid_fillbuff_tch()
317 				tch_buf[x + f->width * y] = VIVID_MIN_PRESSURE +  in vivid_fillbuff_tch()
324 				ystart = (y * f->height) / 4 + f->height / 8;  in vivid_fillbuff_tch()
325 				xstart = (x * f->width) / 4 + f->width / 8;  in vivid_fillbuff_tch()
326 				vivid_tch_buf_set(f, tch_buf,  in vivid_fillbuff_tch()
327 						  ystart * f->width + xstart);  in vivid_fillbuff_tch()