ALSA: hda - add more NID->Control mapping
This set of changes add missing NID values to some static control
elemenents. Also, it handles all "Capture Source" or "Input Source"
controls.
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c
index 9cfdb77..20100b1 100644
--- a/sound/pci/hda/hda_codec.c
+++ b/sound/pci/hda/hda_codec.c
@@ -931,6 +931,7 @@
#endif
list_del(&codec->list);
snd_array_free(&codec->mixers);
+ snd_array_free(&codec->nids);
codec->bus->caddr_tbl[codec->addr] = NULL;
if (codec->patch_ops.free)
codec->patch_ops.free(codec);
@@ -985,7 +986,8 @@
mutex_init(&codec->control_mutex);
init_hda_cache(&codec->amp_cache, sizeof(struct hda_amp_info));
init_hda_cache(&codec->cmd_cache, sizeof(struct hda_cache_head));
- snd_array_init(&codec->mixers, sizeof(struct hda_nid_item), 60);
+ snd_array_init(&codec->mixers, sizeof(struct hda_nid_item), 32);
+ snd_array_init(&codec->nids, sizeof(struct hda_nid_item), 32);
snd_array_init(&codec->init_pins, sizeof(struct hda_pincfg), 16);
snd_array_init(&codec->driver_pins, sizeof(struct hda_pincfg), 16);
if (codec->bus->modelname) {
@@ -1706,7 +1708,7 @@
EXPORT_SYMBOL_HDA(snd_hda_find_mixer_ctl);
/**
- * snd_hda_ctl-add - Add a control element and assign to the codec
+ * snd_hda_ctl_add - Add a control element and assign to the codec
* @codec: HD-audio codec
* @nid: corresponding NID (optional)
* @kctl: the control element to assign
@@ -1747,6 +1749,35 @@
EXPORT_SYMBOL_HDA(snd_hda_ctl_add);
/**
+ * snd_hda_add_nid - Assign a NID to a control element
+ * @codec: HD-audio codec
+ * @nid: corresponding NID (optional)
+ * @kctl: the control element to assign
+ * @index: index to kctl
+ *
+ * Add the given control element to an array inside the codec instance.
+ * This function is used when #snd_hda_ctl_add cannot be used for 1:1
+ * NID:KCTL mapping - for example "Capture Source" selector.
+ */
+int snd_hda_add_nid(struct hda_codec *codec, struct snd_kcontrol *kctl,
+ unsigned int index, hda_nid_t nid)
+{
+ struct hda_nid_item *item;
+
+ if (nid > 0) {
+ item = snd_array_new(&codec->nids);
+ if (!item)
+ return -ENOMEM;
+ item->kctl = kctl;
+ item->index = index;
+ item->nid = nid;
+ return 0;
+ }
+ return -EINVAL;
+}
+EXPORT_SYMBOL_HDA(snd_hda_add_nid);
+
+/**
* snd_hda_ctls_clear - Clear all controls assigned to the given codec
* @codec: HD-audio codec
*/
@@ -1757,6 +1788,7 @@
for (i = 0; i < codec->mixers.used; i++)
snd_ctl_remove(codec->bus->card, items[i].kctl);
snd_array_free(&codec->mixers);
+ snd_array_free(&codec->nids);
}
/* pseudo device locking
@@ -3476,6 +3508,8 @@
for (; knew->name; knew++) {
struct snd_kcontrol *kctl;
+ if (knew->iface == -1) /* skip this codec private value */
+ continue;
kctl = snd_ctl_new1(knew, codec);
if (!kctl)
return -ENOMEM;
@@ -3496,6 +3530,32 @@
}
EXPORT_SYMBOL_HDA(snd_hda_add_new_ctls);
+/**
+ * snd_hda_add_nids - assign nids to controls from the array
+ * @codec: the HDA codec
+ * @kctl: struct snd_kcontrol
+ * @index: index to kctl
+ * @nids: the array of hda_nid_t
+ * @size: count of hda_nid_t items
+ *
+ * This helper function assigns NIDs in the given array to a control element.
+ *
+ * Returns 0 if successful, or a negative error code.
+ */
+int snd_hda_add_nids(struct hda_codec *codec, struct snd_kcontrol *kctl,
+ unsigned int index, hda_nid_t *nids, unsigned int size)
+{
+ int err;
+
+ for ( ; size > 0; size--, nids++) {
+ err = snd_hda_add_nid(codec, kctl, index, *nids);
+ if (err < 0)
+ return err;
+ }
+ return 0;
+}
+EXPORT_SYMBOL_HDA(snd_hda_add_nids);
+
#ifdef CONFIG_SND_HDA_POWER_SAVE
static void hda_set_power_state(struct hda_codec *codec, hda_nid_t fg,
unsigned int power_state);