When requesting GPIO, the GPIOD_IS_OUT is missed in flag, so the GPIO is set the input mode not output and cause mux not work.

Signed-off-by: Ye Li ye.li@nxp.com --- drivers/i2c/muxes/i2c-mux-gpio.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/i2c/muxes/i2c-mux-gpio.c b/drivers/i2c/muxes/i2c-mux-gpio.c index 28f6400..e8b124f 100644 --- a/drivers/i2c/muxes/i2c-mux-gpio.c +++ b/drivers/i2c/muxes/i2c-mux-gpio.c @@ -106,7 +106,7 @@ static int i2c_mux_gpio_probe(struct udevice *dev) }

ret = gpio_request_list_by_name(dev, "mux-gpios", gpios, mux->n_gpios, - GPIOD_IS_OUT_ACTIVE); + GPIOD_IS_OUT | GPIOD_IS_OUT_ACTIVE); if (ret <= 0) { dev_err(dev, "Failed to request mux-gpios\n"); return ret;