r_x               149 drivers/input/touchscreen/colibri-vf50-ts.c 			int r_x = (1000 * val_x) / VF_ADC_MAX;
r_x               151 drivers/input/touchscreen/colibri-vf50-ts.c 			val_p = (r_x * val_z2) / val_z1 - r_x;