diff options
| author | Aswath Govindraju <a-govindraju@ti.com> | 2022-01-07 08:44:25 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-02-04 15:47:11 +0100 |
| commit | 84564481bc4520c47e7fe9c594c0523d81e6a97a (patch) | |
| tree | 1385d09ee43714892b5a27e6a4c7282b94356b62 /include/linux/mux | |
| parent | b2fb28dedd39408268db38da98ef9c7d444623ab (diff) | |
mux: Add support for reading mux state from consumer DT node
In some cases, we might need to provide the state of the mux to be set for
the operation of a given peripheral. Therefore, pass this information using
mux-states property.
Link: https://lore.kernel.org/lkml/20211123081222.27979-1-a-govindraju@ti.com
Signed-off-by: Aswath Govindraju <a-govindraju@ti.com>
Signed-off-by: Peter Rosin <peda@axentia.se> (minor edits)
Link: https://lore.kernel.org/r/aac25be8-9515-a980-f7cb-709938c84822@axentia.se
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'include/linux/mux')
| -rw-r--r-- | include/linux/mux/consumer.h | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/include/linux/mux/consumer.h b/include/linux/mux/consumer.h index 7a09b040ac39..2e25c838f831 100644 --- a/include/linux/mux/consumer.h +++ b/include/linux/mux/consumer.h @@ -14,14 +14,19 @@ struct device; struct mux_control; +struct mux_state; unsigned int mux_control_states(struct mux_control *mux); int __must_check mux_control_select_delay(struct mux_control *mux, unsigned int state, unsigned int delay_us); +int __must_check mux_state_select_delay(struct mux_state *mstate, + unsigned int delay_us); int __must_check mux_control_try_select_delay(struct mux_control *mux, unsigned int state, unsigned int delay_us); +int __must_check mux_state_try_select_delay(struct mux_state *mstate, + unsigned int delay_us); static inline int __must_check mux_control_select(struct mux_control *mux, unsigned int state) @@ -29,18 +34,31 @@ static inline int __must_check mux_control_select(struct mux_control *mux, return mux_control_select_delay(mux, state, 0); } +static inline int __must_check mux_state_select(struct mux_state *mstate) +{ + return mux_state_select_delay(mstate, 0); +} + static inline int __must_check mux_control_try_select(struct mux_control *mux, unsigned int state) { return mux_control_try_select_delay(mux, state, 0); } +static inline int __must_check mux_state_try_select(struct mux_state *mstate) +{ + return mux_state_try_select_delay(mstate, 0); +} + int mux_control_deselect(struct mux_control *mux); +int mux_state_deselect(struct mux_state *mstate); struct mux_control *mux_control_get(struct device *dev, const char *mux_name); void mux_control_put(struct mux_control *mux); struct mux_control *devm_mux_control_get(struct device *dev, const char *mux_name); +struct mux_state *devm_mux_state_get(struct device *dev, + const char *mux_name); #endif /* _LINUX_MUX_CONSUMER_H */ |