commit 4807e8459bce ("i2c: mux: pca954x: Use the descriptor-based GPIO
API") moved this driver over to the gpio descriptor API, which means
we now have a dependency on GPIOLIB and get this build error when
it is disabled:
i2c/muxes/i2c-mux-pca954x.c: In function 'pca954x_probe':
i2c/muxes/i2c-mux-pca954x.c:204:2: error: implicit declaration of function 'devm_gpiod_get' [-Werror=implicit-function-declaration]
gpio = devm_gpiod_get(&client->dev, "reset");
^
i2c/muxes/i2c-mux-pca954x.c:204:7: warning: assignment makes pointer from integer without a cast [enabled by default]
gpio = devm_gpiod_get(&client->dev, "reset");
^
i2c/muxes/i2c-mux-pca954x.c:206:3: error: implicit declaration of function 'gpiod_direction_output' [-Werror=implicit-function-declaration]
gpiod_direction_output(gpio, 0);
^
This adds the dependency in Kconfig as we do for other similar drivers.
Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
Cc: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>
Cc: Linus Walleij <linus.walleij@xxxxxxxxxx>
Cc: Wolfram Sang <wsa@xxxxxxxxxxxxx>
diff --git a/drivers/i2c/muxes/Kconfig b/drivers/i2c/muxes/Kconfig
index f7f9865b..f6d313e 100644
--- a/drivers/i2c/muxes/Kconfig
+++ b/drivers/i2c/muxes/Kconfig
@@ -40,6 +40,7 @@ config I2C_MUX_PCA9541
config I2C_MUX_PCA954x
tristate "Philips PCA954x I2C Mux/switches"
+ depends on GPIOLIB
help
If you say yes here you get support for the Philips PCA954x
I2C mux/switch devices.
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