diff options
Diffstat (limited to 'drivers/pwm/core.c')
| -rw-r--r-- | drivers/pwm/core.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/pwm/core.c b/drivers/pwm/core.c index e067873c6cc5..5a7f6598c05f 100644 --- a/drivers/pwm/core.c +++ b/drivers/pwm/core.c @@ -20,6 +20,9 @@ #include <dt-bindings/pwm/pwm.h> +#define CREATE_TRACE_POINTS +#include <trace/events/pwm.h> + #define MAX_PWMS 1024 static DEFINE_MUTEX(pwm_lookup_lock); @@ -114,8 +117,10 @@ static int pwm_device_request(struct pwm_device *pwm, const char *label) } } - if (pwm->chip->ops->get_state) + if (pwm->chip->ops->get_state) { pwm->chip->ops->get_state(pwm->chip, pwm, &pwm->state); + trace_pwm_get(pwm, &pwm->state); + } set_bit(PWMF_REQUESTED, &pwm->flags); pwm->label = label; @@ -472,6 +477,8 @@ int pwm_apply_state(struct pwm_device *pwm, const struct pwm_state *state) if (err) return err; + trace_pwm_apply(pwm, state); + pwm->state = *state; } else { /* |