Commit df1c5d55 authored by Francesco Dolcini's avatar Francesco Dolcini Committed by Greg Kroah-Hartman
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usb: typec: mux: gpio-sbu: Make enable gpio optional 



The enable gpio is not required when the SBU mux is used only for
orientation, make it optional.

Signed-off-by: default avatarFrancesco Dolcini <francesco.dolcini@toradex.com>
Reviewed-by: default avatarDmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: default avatarHeikki Krogerus <heikki.krogerus@linux.intel.com>
Link: https://lore.kernel.org/r/20240603083558.9629-3-francesco@dolcini.it


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent f12e04c3

drivers/usb/typec/mux/gpio-sbu-mux.c

+5 −1
Original line number Diff line number Diff line
@@ -66,6 +66,9 @@ static int gpio_sbu_mux_set(struct typec_mux_dev *mux, 
{

	struct gpio_sbu_mux *sbu_mux = typec_mux_get_drvdata(mux);



	if (!sbu_mux->enable_gpio)

		return -EOPNOTSUPP;



	mutex_lock(&sbu_mux->lock);



	switch (state->mode) {
@@ -102,7 +105,8 @@ static int gpio_sbu_mux_probe(struct platform_device *pdev) 


	mutex_init(&sbu_mux->lock);



	sbu_mux->enable_gpio = devm_gpiod_get(dev, "enable", GPIOD_OUT_LOW);

	sbu_mux->enable_gpio = devm_gpiod_get_optional(dev, "enable",

						       GPIOD_OUT_LOW);

	if (IS_ERR(sbu_mux->enable_gpio))

		return dev_err_probe(dev, PTR_ERR(sbu_mux->enable_gpio),

				     "unable to acquire enable gpio\n");