Without prefix debugfs can't properly create component
debug information tree when driver register more than
one component per device, in this case two. Fix this.
debugfs: Directory 'fef00700.hdmi' with parent 'vc4-hdmi-0' already present!
Signed-off-by: Ivan T. Ivanov <iiva...@suse.de>
---
drivers/gpu/drm/vc4/vc4_hdmi.c | 13 +++++++++++++
1 file changed, 13 insertions(+)
diff --git a/drivers/gpu/drm/vc4/vc4_hdmi.c b/drivers/gpu/drm/vc4/vc4_hdmi.c
index aab1b36ceb3c..62b057f88df5 100644
--- a/drivers/gpu/drm/vc4/vc4_hdmi.c
+++ b/drivers/gpu/drm/vc4/vc4_hdmi.c
@@ -1523,6 +1523,9 @@ static int vc4_hdmi_audio_init(struct vc4_hdmi *vc4_hdmi)
struct snd_soc_dai_link *dai_link = &vc4_hdmi->audio.link;
struct snd_soc_card *card = &vc4_hdmi->audio.card;
struct device *dev = &vc4_hdmi->pdev->dev;
+#ifdef CONFIG_DEBUG_FS
+ struct snd_soc_component *comp;
+#endif
const __be32 *addr;
int index;
int ret;
@@ -1577,6 +1580,16 @@ static int vc4_hdmi_audio_init(struct vc4_hdmi *vc4_hdmi)
return ret;
}
+#ifdef CONFIG_DEBUG_FS
+ comp = snd_soc_lookup_component(dev, vc4_hdmi_audio_cpu_dai_comp.name);
+ if (comp)
+ comp->debugfs_prefix = "cpu";
+
+ comp = snd_soc_lookup_component(dev, vc4_hdmi_audio_component_drv.name);
+ if (comp)
+ comp->debugfs_prefix = "codec";
+#endif
+
dai_link->cpus = &vc4_hdmi->audio.cpu;
dai_link->codecs = &vc4_hdmi->audio.codec;
dai_link->platforms = &vc4_hdmi->audio.platform;
--
2.32.0
