diff options
| author | Michael Ellerman <mpe@ellerman.id.au> | 2021-05-08 21:12:55 +1000 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2021-05-08 21:12:55 +1000 |
| commit | f96271cefe6dfd1cb04195b76f4a33e185cd7f92 (patch) | |
| tree | f290b3e7aa9c12fdc4853ce97c150c4f9abd90a3 /include/linux/pwm.h | |
| parent | 32b48bf8514c28cdc89cd8069eceeb6e6cff0612 (diff) | |
| parent | dd860052c99b1e088352bdd4fb7aef46f8d2ef47 (diff) | |
| download | lwn-f96271cefe6dfd1cb04195b76f4a33e185cd7f92.tar.gz lwn-f96271cefe6dfd1cb04195b76f4a33e185cd7f92.zip | |
Merge branch 'master' into next
Merge master back into next, this allows us to resolve some conflicts in
arch/powerpc/Kconfig, and also re-sort the symbols under config PPC so
that they are in alphabetical order again.
Diffstat (limited to 'include/linux/pwm.h')
| -rw-r--r-- | include/linux/pwm.h | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/include/linux/pwm.h b/include/linux/pwm.h index e4d84d4db293..5bb90af4997e 100644 --- a/include/linux/pwm.h +++ b/include/linux/pwm.h @@ -91,6 +91,11 @@ struct pwm_device { * pwm_get_state() - retrieve the current PWM state * @pwm: PWM device * @state: state to fill with the current PWM state + * + * The returned PWM state represents the state that was applied by a previous call to + * pwm_apply_state(). Drivers may have to slightly tweak that state before programming it to + * hardware. If pwm_apply_state() was never called, this returns either the current hardware + * state (if supported) or the default settings. */ static inline void pwm_get_state(const struct pwm_device *pwm, struct pwm_state *state) @@ -392,8 +397,6 @@ int pwm_capture(struct pwm_device *pwm, struct pwm_capture *result, int pwm_set_chip_data(struct pwm_device *pwm, void *data); void *pwm_get_chip_data(struct pwm_device *pwm); -int pwmchip_add_with_polarity(struct pwm_chip *chip, - enum pwm_polarity polarity); int pwmchip_add(struct pwm_chip *chip); int pwmchip_remove(struct pwm_chip *chip); struct pwm_device *pwm_request_from_chip(struct pwm_chip *chip, |