From: Kuppuswamy Sathyanarayanan <[email protected]>
Add dummy functions to avoid compile time issues when CONFIG_MULTIPLEXER is not enabled. Signed-off-by: Kuppuswamy Sathyanarayanan <[email protected]> --- include/linux/mux/consumer.h | 38 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 38 insertions(+) Changes since v1: * Changed #ifdef to #if IS_ENABLED. diff --git a/include/linux/mux/consumer.h b/include/linux/mux/consumer.h index 5577e1b..df78988 100644 --- a/include/linux/mux/consumer.h +++ b/include/linux/mux/consumer.h @@ -16,6 +16,7 @@ struct device; struct mux_control; +#if IS_ENABLED(CONFIG_MULTIPLEXER) unsigned int mux_control_states(struct mux_control *mux); int __must_check mux_control_select(struct mux_control *mux, unsigned int state); @@ -29,4 +30,41 @@ void mux_control_put(struct mux_control *mux); struct mux_control *devm_mux_control_get(struct device *dev, const char *mux_name); +#else +unsigned int mux_control_states(struct mux_control *mux) +{ + return -ENODEV; +} + +int __must_check mux_control_select(struct mux_control *mux, + unsigned int state) +{ + return -ENODEV; +} + +int __must_check mux_control_try_select(struct mux_control *mux, + unsigned int state) +{ + return -ENODEV; +} + +int mux_control_deselect(struct mux_control *mux) +{ + return -ENODEV; +} + +struct mux_control *mux_control_get(struct device *dev, const char *mux_name) +{ + return ERR_PTR(-ENODEV); +} + +void mux_control_put(struct mux_control *mux) {} + +struct mux_control *devm_mux_control_get(struct device *dev, + const char *mux_name) +{ + return ERR_PTR(-ENODEV); +} +#endif + #endif /* _LINUX_MUX_CONSUMER_H */ -- 2.7.4
