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authorAswath Govindraju <a-govindraju@ti.com>2022-01-07 08:44:25 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2022-02-04 15:47:11 +0100
commit84564481bc4520c47e7fe9c594c0523d81e6a97a (patch)
tree1385d09ee43714892b5a27e6a4c7282b94356b62 /include/linux/mux
parentb2fb28dedd39408268db38da98ef9c7d444623ab (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.h18
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 */