pwm: add period and polarity to struct pwm_lookup
Add period and polarity members to struct pwm_lookup so that platforms
using the lookup table can be treated the same way as those using the
device tree.
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
diff --git a/drivers/pwm/core.c b/drivers/pwm/core.c
index a804713..4b66bf0 100644
--- a/drivers/pwm/core.c
+++ b/drivers/pwm/core.c
@@ -661,10 +661,16 @@
}
}
+ mutex_unlock(&pwm_lookup_lock);
+
if (chip)
pwm = pwm_request_from_chip(chip, index, con_id ?: dev_id);
+ if (IS_ERR(pwm))
+ return pwm;
- mutex_unlock(&pwm_lookup_lock);
+ pwm_set_period(pwm, p->period);
+ pwm_set_polarity(pwm, p->polarity);
+
return pwm;
}
diff --git a/include/linux/pwm.h b/include/linux/pwm.h
index 4717f54..2f45e2f 100644
--- a/include/linux/pwm.h
+++ b/include/linux/pwm.h
@@ -274,6 +274,8 @@
unsigned int index;
const char *dev_id;
const char *con_id;
+ unsigned int period;
+ enum pwm_polarity polarity;
};
#define PWM_LOOKUP(_provider, _index, _dev_id, _con_id) \