diff options
| -rw-r--r-- | include/sound/soc.h | 13 | ||||
| -rw-r--r-- | sound/soc/soc-core.c | 35 | ||||
| -rw-r--r-- | sound/soc/soc-dapm.c | 34 |
3 files changed, 78 insertions, 4 deletions
diff --git a/include/sound/soc.h b/include/sound/soc.h index af23f4228869..3eb92ef6c83f 100644 --- a/include/sound/soc.h +++ b/include/sound/soc.h @@ -450,6 +450,7 @@ struct snd_soc_cache_ops { /* SoC Audio Codec device */ struct snd_soc_codec { const char *name; + const char *name_prefix; int id; struct device *dev; struct snd_soc_codec_driver *driver; @@ -577,6 +578,11 @@ struct snd_soc_dai_link { struct snd_soc_ops *ops; }; +struct snd_soc_prefix_map { + const char *dev_name; + const char *name_prefix; +}; + /* SoC card */ struct snd_soc_card { const char *name; @@ -611,6 +617,13 @@ struct snd_soc_card { struct snd_soc_pcm_runtime *rtd; int num_rtd; + /* + * optional map of kcontrol, widget and path name prefixes that are + * associated per device + */ + struct snd_soc_prefix_map *prefix_map; + int num_prefixes; + struct work_struct deferred_resume_work; /* lists of probed devices belonging to this card */ diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c index 3d70ce58d03c..2540efd67ee7 100644 --- a/sound/soc/soc-core.c +++ b/sound/soc/soc-core.c @@ -1397,6 +1397,23 @@ static void soc_remove_dai_link(struct snd_soc_card *card, int num) } } +static void soc_set_name_prefix(struct snd_soc_card *card, + struct snd_soc_codec *codec) +{ + int i; + + if (card->prefix_map == NULL) + return; + + for (i = 0; i < card->num_prefixes; i++) { + struct snd_soc_prefix_map *map = &card->prefix_map[i]; + if (map->dev_name && !strcmp(codec->name, map->dev_name)) { + codec->name_prefix = map->name_prefix; + break; + } + } +} + static void rtd_release(struct device *dev) {} static int soc_probe_dai_link(struct snd_soc_card *card, int num) @@ -1406,6 +1423,7 @@ static int soc_probe_dai_link(struct snd_soc_card *card, int num) struct snd_soc_codec *codec = rtd->codec; struct snd_soc_platform *platform = rtd->platform; struct snd_soc_dai *codec_dai = rtd->codec_dai, *cpu_dai = rtd->cpu_dai; + const char *temp; int ret; dev_dbg(card->dev, "probe %s dai link %d\n", card->name, num); @@ -1440,6 +1458,7 @@ static int soc_probe_dai_link(struct snd_soc_card *card, int num) /* probe the CODEC */ if (!codec->probed) { codec->dapm.card = card; + soc_set_name_prefix(card, codec); if (codec->driver->probe) { ret = codec->driver->probe(codec); if (ret < 0) { @@ -1492,11 +1511,15 @@ static int soc_probe_dai_link(struct snd_soc_card *card, int num) /* now that all clients have probed, initialise the DAI link */ if (dai_link->init) { + /* machine controls, routes and widgets are not prefixed */ + temp = rtd->codec->name_prefix; + rtd->codec->name_prefix = NULL; ret = dai_link->init(rtd); if (ret < 0) { printk(KERN_ERR "asoc: failed to init %s\n", dai_link->stream_name); return ret; } + rtd->codec->name_prefix = temp; } /* Make sure all DAPM widgets are instantiated */ @@ -2072,14 +2095,22 @@ int snd_soc_add_controls(struct snd_soc_codec *codec, const struct snd_kcontrol_new *controls, int num_controls) { struct snd_card *card = codec->card->snd_card; + char prefixed_name[44], *name; int err, i; for (i = 0; i < num_controls; i++) { const struct snd_kcontrol_new *control = &controls[i]; - err = snd_ctl_add(card, snd_soc_cnew(control, codec, NULL)); + if (codec->name_prefix) { + snprintf(prefixed_name, sizeof(prefixed_name), "%s %s", + codec->name_prefix, control->name); + name = prefixed_name; + } else { + name = control->name; + } + err = snd_ctl_add(card, snd_soc_cnew(control, codec, name)); if (err < 0) { dev_err(codec->dev, "%s: Failed to add %s: %d\n", - codec->name, control->name, err); + codec->name, name, err); return err; } } diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c index bc2ec06943c0..60c8dec49480 100644 --- a/sound/soc/soc-dapm.c +++ b/sound/soc/soc-dapm.c @@ -1295,6 +1295,7 @@ static void dapm_free_widgets(struct snd_soc_dapm_context *dapm) list_for_each_entry_safe(w, next_w, &dapm->widgets, list) { list_del(&w->list); + kfree(w->name); kfree(w); } @@ -1346,11 +1347,25 @@ static int snd_soc_dapm_add_route(struct snd_soc_dapm_context *dapm, { struct snd_soc_dapm_path *path; struct snd_soc_dapm_widget *wsource = NULL, *wsink = NULL, *w; - const char *sink = route->sink; + const char *sink; const char *control = route->control; - const char *source = route->source; + const char *source; + char prefixed_sink[80]; + char prefixed_source[80]; int ret = 0; + if (dapm->codec->name_prefix) { + snprintf(prefixed_sink, sizeof(prefixed_sink), "%s %s", + dapm->codec->name_prefix, route->sink); + sink = prefixed_sink; + snprintf(prefixed_source, sizeof(prefixed_source), "%s %s", + dapm->codec->name_prefix, route->source); + source = prefixed_source; + } else { + sink = route->sink; + source = route->source; + } + /* find src and dest widgets */ list_for_each_entry(w, &dapm->widgets, list) { @@ -1978,10 +1993,25 @@ int snd_soc_dapm_new_control(struct snd_soc_dapm_context *dapm, const struct snd_soc_dapm_widget *widget) { struct snd_soc_dapm_widget *w; + size_t name_len; if ((w = dapm_cnew_widget(widget)) == NULL) return -ENOMEM; + name_len = strlen(widget->name) + 1; + if (dapm->codec->name_prefix) + name_len += 1 + strlen(dapm->codec->name_prefix); + w->name = kmalloc(name_len, GFP_KERNEL); + if (w->name == NULL) { + kfree(w); + return -ENOMEM; + } + if (dapm->codec->name_prefix) + snprintf(w->name, name_len, "%s %s", + dapm->codec->name_prefix, widget->name); + else + snprintf(w->name, name_len, "%s", widget->name); + w->dapm = dapm; w->codec = dapm->codec; INIT_LIST_HEAD(&w->sources); |