ALSA: hda - proc - show which I/O NID is associated to PCM device

Output something like:

Node 0x02 [Audio Output] wcaps 0x11: Stereo
  Device: name="ALC888 Analog", type="Audio", device=0, substream=0
  Converter: stream=0, channel=0
  ...

Signed-off-by: Jaroslav Kysela <perex@perex.cz>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

1 files changed, 5 insertions, 4 deletions

diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c
index 146f95be8737..480d1ec49c99 100644
--- a/sound/pci/hda/hda_codec.c
+++ b/sound/pci/hda/hda_codec.c
@@ -2877,14 +2877,15 @@ static int set_pcm_default_values(struct hda_codec *codec,
         return 0;
 }
 
+const char *snd_hda_pcm_type_name[HDA_PCM_NTYPES] = {
+        "Audio", "SPDIF", "HDMI", "Modem"
+};
+
 /*
  * get the empty PCM device number to assign
  */
 static int get_empty_pcm_device(struct hda_bus *bus, int type)
 {
-        static const char *dev_name[HDA_PCM_NTYPES] = {
-                "Audio", "SPDIF", "HDMI", "Modem"
-        };
         /* audio device indices; not linear to keep compatibility */
         static int audio_idx[HDA_PCM_NTYPES][5] = {
                 [HDA_PCM_TYPE_AUDIO] = { 0, 2, 4, 5, -1 },
@@ -2903,7 +2904,7 @@ static int get_empty_pcm_device(struct hda_bus *bus, int type)
                 if (!test_and_set_bit(audio_idx[type][i], bus->pcm_dev_bits))
                         return audio_idx[type][i];
 
-        snd_printk(KERN_WARNING "Too many %s devices\n", dev_name[type]);
+        snd_printk(KERN_WARNING "Too many %s devices\n", snd_hda_pcm_type_name[type]);
         return -EAGAIN;
 }