drm/vc4: Fix build without DRM_VC4_HDMI_CEC

As reported by @asavah.

Fixes: https://github.com/raspberrypi/linux/issues/4771
Signed-off-by: Phil Elwell <phil@raspberrypi.com>

diff --git a/drivers/gpu/drm/vc4/vc4_hdmi.c b/drivers/gpu/drm/vc4/vc4_hdmi.c
index 6aa074714305cd32d58c429ff1d37d198568a0c0..b621fc3b1750184d103c7320f234e015a954d217 100644 (file)
--- a/drivers/gpu/drm/vc4/vc4_hdmi.c
+++ b/drivers/gpu/drm/vc4/vc4_hdmi.c
@@ -2328,7 +2328,7 @@ static int vc4_hdmi_cec_init(struct vc4_hdmi *vc4_hdmi)
 
 static void vc4_hdmi_cec_exit(struct vc4_hdmi *vc4_hdmi) {};
 
-static void vc4_hdmi_cec_resume(struct vc4_hdmi *vc4_hdmi)
+static int vc4_hdmi_cec_resume(struct vc4_hdmi *vc4_hdmi)
 {
        return 0;
 }