[PATCH v2 1/3] drm/probe-helper: Document drm_helper_hpd_irq_event() return value

[Maxime Ripard <maxime@cerno.tech>]

The documentation of the drm_helper_hpd_irq_event() function didn't
document the value that function was returning. Add that part as well.

Signed-off-by: Maxime Ripard <maxime@cerno.tech>

---

Changes from v2:
  - new patch
---
 drivers/gpu/drm/drm_probe_helper.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/gpu/drm/drm_probe_helper.c b/drivers/gpu/drm/drm_probe_helper.c
index 5606bca3caa8..5b77fb5c1a32 100644
--- a/drivers/gpu/drm/drm_probe_helper.c
+++ b/drivers/gpu/drm/drm_probe_helper.c
@@ -817,6 +817,9 @@ EXPORT_SYMBOL(drm_kms_helper_poll_fini);
  *
  * Note that a connector can be both polled and probed from the hotplug handler,
  * in case the hotplug interrupt is known to be unreliable.
+ *
+ * Returns:
+ * A boolean indicating whether the connector status changed or not
  */
 bool drm_helper_hpd_irq_event(struct drm_device *dev)
 {
-- 
2.31.1