linux-kernel - [PATCH v2 1/3] drm/probe-helper: Document drm_helper_hpd_irq

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Date:   Tue, 14 Sep 2021 12:17:22 +0200
From:   Maxime Ripard <maxime@...no.tech>
To:     dri-devel@...ts.freedesktop.org,
        Daniel Vetter <daniel.vetter@...el.com>,
        David Airlie <airlied@...ux.ie>,
        Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
        Thomas Zimmermann <tzimmermann@...e.de>,
        Maxime Ripard <maxime@...no.tech>
Cc:     Emma Anholt <emma@...olt.net>,
        linux-rpi-kernel@...ts.infradead.org,
        Dave Stevenson <dave.stevenson@...pberrypi.com>,
        Phil Elwell <phil@...pberrypi.com>,
        Tim Gover <tim.gover@...pberrypi.com>,
        Dom Cobley <dom@...pberrypi.com>,
        Sam Ravnborg <sam@...nborg.org>,
        Nicolas Saenz Julienne <nsaenz@...nel.org>,
        bcm-kernel-feedback-list@...adcom.com, linux-kernel@...r.kernel.org
Subject: [PATCH v2 1/3] drm/probe-helper: Document drm_helper_hpd_irq_event() return value

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@...no.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