ALSA: hda - Add sysfs entries to hwdep devices

Added the sysfs entries to hwdep devices so that the new features
like reconfiguration can be done via sysfs.

Signed-off-by: Takashi Iwai <tiwai@suse.de>

1 files changed, 15 insertions, 2 deletions

diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c
index 5b54ac07fcbd..0741eda78a5e 100644
--- a/sound/pci/hda/hda_codec.c
+++ b/sound/pci/hda/hda_codec.c
@@ -393,6 +393,20 @@ static int snd_hda_bus_dev_free(struct snd_device *device)
         return snd_hda_bus_free(bus);
 }
 
+#ifdef CONFIG_SND_HDA_HWDEP
+static int snd_hda_bus_dev_register(struct snd_device *device)
+{
+        struct hda_bus *bus = device->device_data;
+        struct hda_codec *codec;
+        list_for_each_entry(codec, &bus->codec_list, list) {
+                snd_hda_hwdep_add_sysfs(codec);
+        }
+        return 0;
+}
+#else
+#define snd_hda_bus_dev_register        NULL
+#endif
+
 /**
  * snd_hda_bus_new - create a HDA bus
  * @card: the card entry
@@ -408,6 +422,7 @@ int __devinit snd_hda_bus_new(struct snd_card *card,
         struct hda_bus *bus;
         int err;
         static struct snd_device_ops dev_ops = {
+                .dev_register = snd_hda_bus_dev_register,
                 .dev_free = snd_hda_bus_dev_free,
         };
 
@@ -686,9 +701,7 @@ int __devinit snd_hda_codec_new(struct hda_bus *bus, unsigned int codec_addr,
         }
         snd_hda_codec_proc_new(codec);
 
-#ifdef CONFIG_SND_HDA_HWDEP
         snd_hda_create_hwdep(codec);
-#endif
 
         sprintf(component, "HDA:%08x,%08x,%08x", codec->vendor_id,
                 codec->subsystem_id, codec->revision_id);