drm/radeon: fix audio disable on dce6+

commit d7eb0a09 upstream.

Properly clear the enable bit when audio disable is requested.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Jiri Slaby <jslaby@suse.cz>

drivers/gpu/drm/radeon/dce6_afmt.c

@@ -231,7 +231,7 @@ static void dce6_audio_enable(struct radeon_device *rdev,
 			      bool enable)
 {
 	WREG32_ENDPOINT(pin->offset, AZ_F0_CODEC_PIN_CONTROL_HOTPLUG_CONTROL,
-			AUDIO_ENABLED);
+			enable ? AUDIO_ENABLED : 0);
 	DRM_INFO("%s audio %d support\n", enable ? "Enabling" : "Disabling", pin->id);
 }