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usb: typec: mux: gpio-sbu: Make enable gpio optional

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

Signed-off-by: Francesco Dolcini <francesco.dolcini@toradex.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Link: https://lore.kernel.org/r/20240603083558.9629-3-francesco@dolcini.it
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Francesco Dolcini
2024-06-03 10:35:58 +02:00
committed by Greg Kroah-Hartman
parent f12e04c39e
commit df1c5d55ab
1 changed files with 5 additions and 1 deletions
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drivers/usb/typec/mux/gpio-sbu-mux.c
+5 -1
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@@ -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");