static void lcd_send_serial()

in panel.c [683:707]

• 19 lines of code
• 3 McCabe index (conditional complexity)

static void lcd_send_serial(int byte)
{
	int bit;

	/*
	 * the data bit is set on D0, and the clock on STROBE.
	 * LCD reads D0 on STROBE's rising edge.
	 */
	for (bit = 0; bit < 8; bit++) {
		clear_bit(LCD_BIT_CL, bits);	/* CLK low */
		panel_set_bits();
		if (byte & 1) {
			set_bit(LCD_BIT_DA, bits);
		} else {
			clear_bit(LCD_BIT_DA, bits);
		}

		panel_set_bits();
		udelay(2);  /* maintain the data during 2 us before CLK up */
		set_bit(LCD_BIT_CL, bits);	/* CLK high */
		panel_set_bits();
		udelay(1);  /* maintain the strobe during 1 us */
		byte >>= 1;
	}
}