TCON_CH1_SCLK2_MUX_MASK 77 drivers/clk/sunxi/clk-sun4i-tcon-ch1.c reg &= reg >> TCON_CH1_SCLK2_MUX_MASK; TCON_CH1_SCLK2_MUX_MASK 90 drivers/clk/sunxi/clk-sun4i-tcon-ch1.c reg &= ~(TCON_CH1_SCLK2_MUX_MASK << TCON_CH1_SCLK2_MUX_SHIFT);