ALSA: hda - proc - introduce Control: lines to show mixer<->NID assignment
This is an initial patch to show universal control<->NID assigment in
proc codec file. The change helps to debug codec related problems.
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/sound/pci/hda/hda_proc.c b/sound/pci/hda/hda_proc.c
index f5b783c..f465cff 100644
--- a/sound/pci/hda/hda_proc.c
+++ b/sound/pci/hda/hda_proc.c
@@ -46,6 +46,41 @@
return "UNKNOWN Widget";
}
+static void print_nid_mixers(struct snd_info_buffer *buffer,
+ struct hda_codec *codec, hda_nid_t nid)
+{
+ int i;
+ struct hda_nid_item *items = codec->mixers.list;
+ struct snd_kcontrol *kctl;
+ for (i = 0; i < codec->mixers.used; i++) {
+ if (items[i].nid == nid) {
+ kctl = items[i].kctl;
+ snd_iprintf(buffer,
+ " Control: name=\"%s\", index=%i, device=%i\n",
+ kctl->id.name, kctl->id.index, kctl->id.device);
+ }
+ }
+}
+
+static void print_nid_pcms(struct snd_info_buffer *buffer,
+ struct hda_codec *codec, hda_nid_t nid)
+{
+ int pcm, type;
+ struct hda_pcm *cpcm;
+ for (pcm = 0; pcm < codec->num_pcms; pcm++) {
+ cpcm = &codec->pcm_info[pcm];
+ for (type = 0; type < 2; type++) {
+ if (cpcm->stream[type].nid != nid || cpcm->pcm == NULL)
+ continue;
+ snd_iprintf(buffer, " Device: name=\"%s\", "
+ "type=\"%s\", device=%i\n",
+ cpcm->name,
+ snd_hda_pcm_type_name[cpcm->pcm_type],
+ cpcm->pcm->device);
+ }
+ }
+}
+
static void print_amp_caps(struct snd_info_buffer *buffer,
struct hda_codec *codec, hda_nid_t nid, int dir)
{
@@ -309,21 +344,7 @@
struct hda_codec *codec, hda_nid_t nid,
unsigned int wid_type)
{
- int pcm, conv;
- for (pcm = 0; pcm < codec->num_pcms; pcm++) {
- int type;
- struct hda_pcm *cpcm = &codec->pcm_info[pcm];
- for (type = 0; type < 2; type++) {
- if (cpcm->stream[type].nid != nid || cpcm->pcm == NULL)
- continue;
- snd_iprintf(buffer, " Device: name=\"%s\", "
- "type=\"%s\", device=%i\n",
- cpcm->name,
- snd_hda_pcm_type_name[cpcm->pcm_type],
- cpcm->pcm->device);
- }
- }
- conv = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_CONV, 0);
+ int conv = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_CONV, 0);
snd_iprintf(buffer,
" Converter: stream=%d, channel=%d\n",
(conv & AC_CONV_STREAM) >> AC_CONV_STREAM_SHIFT,
@@ -471,6 +492,7 @@
(data & (1<<i)) ? 1 : 0,
(unsol & (1<<i)) ? 1 : 0);
/* FIXME: add GPO and GPI pin information */
+ print_nid_mixers(buffer, codec, nid);
}
static void print_codec_info(struct snd_info_entry *entry,
@@ -550,6 +572,9 @@
snd_iprintf(buffer, " CP");
snd_iprintf(buffer, "\n");
+ print_nid_mixers(buffer, codec, nid);
+ print_nid_pcms(buffer, codec, nid);
+
/* volume knob is a special widget that always have connection
* list
*/
