PS2_SAMPLE_CLK    165 drivers/input/serio/sun4i-ps2.c 	clk_scdf = src_clk / PS2_SAMPLE_CLK - 1;
PS2_SAMPLE_CLK    166 drivers/input/serio/sun4i-ps2.c 	clk_pcdf = PS2_SAMPLE_CLK / PS2_SCLK - 1;