ASoC: dapm: Allow explictly named mixer controls

[safe/jmp/linux-2.6] / sound / soc / soc-dapm.c

diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c
index ad0d801..6362c76 100644 (file)
--- a/sound/soc/soc-dapm.c
+++ b/sound/soc/soc-dapm.c
@@ -54,14 +54,15 @@
 static int dapm_up_seq[] = {
        snd_soc_dapm_pre, snd_soc_dapm_micbias, snd_soc_dapm_mic,
        snd_soc_dapm_mux, snd_soc_dapm_value_mux, snd_soc_dapm_dac,
-       snd_soc_dapm_mixer, snd_soc_dapm_pga, snd_soc_dapm_adc, snd_soc_dapm_hp,
-       snd_soc_dapm_spk, snd_soc_dapm_post
+       snd_soc_dapm_mixer, snd_soc_dapm_mixer_named_ctl, snd_soc_dapm_pga,
+       snd_soc_dapm_adc, snd_soc_dapm_hp, snd_soc_dapm_spk, snd_soc_dapm_post
 };
+
 static int dapm_down_seq[] = {
        snd_soc_dapm_pre, snd_soc_dapm_adc, snd_soc_dapm_hp, snd_soc_dapm_spk,
-       snd_soc_dapm_pga, snd_soc_dapm_mixer, snd_soc_dapm_dac, snd_soc_dapm_mic,
-       snd_soc_dapm_micbias, snd_soc_dapm_mux, snd_soc_dapm_value_mux,
-       snd_soc_dapm_post
+       snd_soc_dapm_pga, snd_soc_dapm_mixer_named_ctl, snd_soc_dapm_mixer,
+       snd_soc_dapm_dac, snd_soc_dapm_mic, snd_soc_dapm_micbias,
+       snd_soc_dapm_mux, snd_soc_dapm_value_mux, snd_soc_dapm_post
 };
 
 static int dapm_status = 1;
@@ -101,7 +102,8 @@ static void dapm_set_path_status(struct snd_soc_dapm_widget *w,
 {
        switch (w->id) {
        case snd_soc_dapm_switch:
-       case snd_soc_dapm_mixer: {
+       case snd_soc_dapm_mixer:
+       case snd_soc_dapm_mixer_named_ctl: {
                int val;
                struct soc_mixer_control *mc = (struct soc_mixer_control *)
                        w->kcontrols[i].private_value;
@@ -347,15 +349,33 @@ static int dapm_new_mixer(struct snd_soc_codec *codec,
                        if (path->name != (char*)w->kcontrols[i].name)
                                continue;
 
-                       /* add dapm control with long name */
-                       name_len = 2 + strlen(w->name)
-                               + strlen(w->kcontrols[i].name);
+                       /* add dapm control with long name.
+                        * for dapm_mixer this is the concatenation of the
+                        * mixer and kcontrol name.
+                        * for dapm_mixer_named_ctl this is simply the
+                        * kcontrol name.
+                        */
+                       name_len = strlen(w->kcontrols[i].name) + 1;
+                       if (w->id == snd_soc_dapm_mixer)
+                               name_len += 1 + strlen(w->name);
+
                        path->long_name = kmalloc(name_len, GFP_KERNEL);
+
                        if (path->long_name == NULL)
                                return -ENOMEM;
 
-                       snprintf(path->long_name, name_len, "%s %s",
-                                w->name, w->kcontrols[i].name);
+                       switch (w->id) {
+                       case snd_soc_dapm_mixer:
+                       default:
+                               snprintf(path->long_name, name_len, "%s %s",
+                                        w->name, w->kcontrols[i].name);
+                       break;
+                       case snd_soc_dapm_mixer_named_ctl:
+                               snprintf(path->long_name, name_len, "%s",
+                                        w->kcontrols[i].name);
+                       break;
+                       }
+
                        path->long_name[name_len - 1] = '\0';
 
                        path->kcontrol = snd_soc_cnew(&w->kcontrols[i], w,
@@ -711,6 +731,7 @@ static void dbg_dump_dapm(struct snd_soc_codec* codec, const char *action)
                case snd_soc_dapm_adc:
                case snd_soc_dapm_pga:
                case snd_soc_dapm_mixer:
+               case snd_soc_dapm_mixer_named_ctl:
                        if (w->name) {
                                in = is_connected_input_ep(w);
                                dapm_clear_walk(w->codec);
@@ -822,6 +843,7 @@ static int dapm_mixer_update_power(struct snd_soc_dapm_widget *widget,
        int found = 0;
 
        if (widget->id != snd_soc_dapm_mixer &&
+           widget->id != snd_soc_dapm_mixer_named_ctl &&
            widget->id != snd_soc_dapm_switch)
                return -ENODEV;
 
@@ -875,6 +897,7 @@ static ssize_t dapm_widget_show(struct device *dev,
                case snd_soc_dapm_adc:
                case snd_soc_dapm_pga:
                case snd_soc_dapm_mixer:
+               case snd_soc_dapm_mixer_named_ctl:
                        if (w->name)
                                count += sprintf(buf + count, "%s: %s\n",
                                        w->name, w->power ? "On":"Off");
@@ -1058,6 +1081,7 @@ static int snd_soc_dapm_add_route(struct snd_soc_codec *codec,
                break;
        case snd_soc_dapm_switch:
        case snd_soc_dapm_mixer:
+       case snd_soc_dapm_mixer_named_ctl:
                ret = dapm_connect_mixer(codec, wsource, wsink, path, control);
                if (ret != 0)
                        goto err;
@@ -1135,6 +1159,7 @@ int snd_soc_dapm_new_widgets(struct snd_soc_codec *codec)
                switch(w->id) {
                case snd_soc_dapm_switch:
                case snd_soc_dapm_mixer:
+               case snd_soc_dapm_mixer_named_ctl:
                        dapm_new_mixer(codec, w);
                        break;
                case snd_soc_dapm_mux: