R92C_GPIO_IO_SEL
rtwn_write_1(sc, R92C_GPIO_IO_SEL,
rtwn_read_1(sc, R92C_GPIO_IO_SEL) << 4);
rtwn_write_1(sc, R92C_GPIO_IO_SEL,
rtwn_read_1(sc, R92C_GPIO_IO_SEL) << 4);
reg = rtwn_read_1(sc, R92C_GPIO_IO_SEL);
reg = rtwn_read_2(sc, R92C_GPIO_IO_SEL) & ~0x00f0;
rtwn_write_2(sc, R92C_GPIO_IO_SEL, reg);
rtwn_setbits_1(sc, R92C_GPIO_IO_SEL, 0xf0, 0xc0);