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-rw-r--r--include/linux/pwm.h22
1 files changed, 22 insertions, 0 deletions
diff --git a/include/linux/pwm.h b/include/linux/pwm.h
index 047cd5351a3..2947a4fea6a 100644
--- a/include/linux/pwm.h
+++ b/include/linux/pwm.h
@@ -115,6 +115,28 @@ int pwmchip_remove(struct pwm_chip *chip);
struct pwm_device *pwm_request_from_chip(struct pwm_chip *chip,
unsigned int index,
const char *label);
+
+struct pwm_device *pwm_get(struct device *dev, const char *consumer);
+void pwm_put(struct pwm_device *pwm);
+
+struct pwm_lookup {
+ struct list_head list;
+ const char *provider;
+ unsigned int index;
+ const char *dev_id;
+ const char *con_id;
+};
+
+#define PWM_LOOKUP(_provider, _index, _dev_id, _con_id) \
+ { \
+ .provider = _provider, \
+ .index = _index, \
+ .dev_id = _dev_id, \
+ .con_id = _con_id, \
+ }
+
+void pwm_add_table(struct pwm_lookup *table, size_t num);
+
#endif
#endif /* __LINUX_PWM_H */