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Diffstat (limited to 'include/linux/pinctrl/consumer.h')
-rw-r--r--include/linux/pinctrl/consumer.h55
1 files changed, 48 insertions, 7 deletions
diff --git a/include/linux/pinctrl/consumer.h b/include/linux/pinctrl/consumer.h
index 30865947f2d..9ad5896cfa0 100644
--- a/include/linux/pinctrl/consumer.h
+++ b/include/linux/pinctrl/consumer.h
@@ -12,12 +12,14 @@
#ifndef __LINUX_PINCTRL_CONSUMER_H
#define __LINUX_PINCTRL_CONSUMER_H
+#include <linux/err.h>
#include <linux/list.h>
#include <linux/seq_file.h>
#include "pinctrl.h"
/* This struct is private to the core and should be regarded as a cookie */
struct pinctrl;
+struct pinctrl_state;
#ifdef CONFIG_PINCTRL
@@ -26,10 +28,13 @@ extern int pinctrl_request_gpio(unsigned gpio);
extern void pinctrl_free_gpio(unsigned gpio);
extern int pinctrl_gpio_direction_input(unsigned gpio);
extern int pinctrl_gpio_direction_output(unsigned gpio);
-extern struct pinctrl * __must_check pinctrl_get(struct device *dev, const char *name);
+
+extern struct pinctrl * __must_check pinctrl_get(struct device *dev);
extern void pinctrl_put(struct pinctrl *p);
-extern int pinctrl_enable(struct pinctrl *p);
-extern void pinctrl_disable(struct pinctrl *p);
+extern struct pinctrl_state * __must_check pinctrl_lookup_state(
+ struct pinctrl *p,
+ const char *name);
+extern int pinctrl_select_state(struct pinctrl *p, struct pinctrl_state *s);
#else /* !CONFIG_PINCTRL */
@@ -52,7 +57,7 @@ static inline int pinctrl_gpio_direction_output(unsigned gpio)
return 0;
}
-static inline struct pinctrl * __must_check pinctrl_get(struct device *dev, const char *name)
+static inline struct pinctrl * __must_check pinctrl_get(struct device *dev)
{
return NULL;
}
@@ -61,17 +66,53 @@ static inline void pinctrl_put(struct pinctrl *p)
{
}
-static inline int pinctrl_enable(struct pinctrl *p)
+static inline struct pinctrl_state * __must_check pinctrl_lookup_state(
+ struct pinctrl *p,
+ const char *name)
{
- return 0;
+ return NULL;
}
-static inline void pinctrl_disable(struct pinctrl *p)
+static inline int pinctrl_select_state(struct pinctrl *p,
+ struct pinctrl_state *s)
{
+ return 0;
}
#endif /* CONFIG_PINCTRL */
+static inline struct pinctrl * __must_check pinctrl_get_select(
+ struct device *dev, const char *name)
+{
+ struct pinctrl *p;
+ struct pinctrl_state *s;
+ int ret;
+
+ p = pinctrl_get(dev);
+ if (IS_ERR(p))
+ return p;
+
+ s = pinctrl_lookup_state(p, name);
+ if (IS_ERR(s)) {
+ pinctrl_put(p);
+ return ERR_PTR(PTR_ERR(s));
+ }
+
+ ret = pinctrl_select_state(p, s);
+ if (ret < 0) {
+ pinctrl_put(p);
+ return ERR_PTR(ret);
+ }
+
+ return p;
+}
+
+static inline struct pinctrl * __must_check pinctrl_get_select_default(
+ struct device *dev)
+{
+ return pinctrl_get_select(dev, PINCTRL_STATE_DEFAULT);
+}
+
#ifdef CONFIG_PINCONF
extern int pin_config_get(const char *dev_name, const char *name,