TS_HEIGHT
for (y = 0; y < TS_HEIGHT; y++)
const int length = TS_WIDTH * TS_HEIGHT;
saa7146_write(dev, PROT_ADDR3, TS_WIDTH * TS_HEIGHT);
saa7146_write(dev, NUM_LINE_BYTE3, (TS_HEIGHT << 16) | TS_WIDTH);
saa7146_write(dev, PROT_ADDR3, TS_WIDTH * TS_HEIGHT);
saa7146_write(dev, NUM_LINE_BYTE3, (TS_HEIGHT << 16) | TS_WIDTH);
saa7146_write(dev, RPS_THRESH1, (TS_HEIGHT * 1) | MASK_12);
#define TS_BUFLEN (TS_WIDTH * TS_HEIGHT)