3 files changed, 33 insertions, 19 deletions

diff --git a/include/sound/soc-dapm.h b/include/sound/soc-dapm.h
index 27a72d5d4b00..2037c45adfe6 100644
--- a/include/sound/soc-dapm.h
+++ b/include/sound/soc-dapm.h
@@ -286,6 +286,8 @@ struct device;
         .info = snd_soc_info_volsw, \
         .get = snd_soc_dapm_get_volsw, .put = snd_soc_dapm_put_volsw, \
         .private_value = SOC_SINGLE_VALUE(reg, shift, max, invert, 1) }
+#define SOC_DAPM_SINGLE_VIRT(xname, max) \
+        SOC_DAPM_SINGLE(xname, SND_SOC_NOPM, 0, max, 0)
 #define SOC_DAPM_SINGLE_TLV(xname, reg, shift, max, invert, tlv_array) \
 {       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
         .info = snd_soc_info_volsw, \
@@ -300,6 +302,8 @@ struct device;
         .tlv.p = (tlv_array), \
         .get = snd_soc_dapm_get_volsw, .put = snd_soc_dapm_put_volsw, \
         .private_value = SOC_SINGLE_VALUE(reg, shift, max, invert, 0) }
+#define SOC_DAPM_SINGLE_TLV_VIRT(xname, max, tlv_array) \
+        SOC_DAPM_SINGLE(xname, SND_SOC_NOPM, 0, max, 0, tlv_array)
 #define SOC_DAPM_ENUM(xname, xenum) \
 {       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
         .info = snd_soc_info_enum_double, \
diff --git a/include/sound/soc.h b/include/sound/soc.h
index d22cb0a06feb..b429dba57bf6 100644
--- a/include/sound/soc.h
+++ b/include/sound/soc.h
@@ -1088,7 +1088,8 @@ struct snd_soc_pcm_runtime {
 /* mixer control */
 struct soc_mixer_control {
         int min, max, platform_max;
-        unsigned int reg, rreg, shift, rshift;
+        int reg, rreg;
+        unsigned int shift, rshift;
         unsigned int invert:1;
         unsigned int autodisable:1;
 };
diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c
index 177f8a1938da..9273216f22fc 100644
--- a/sound/soc/soc-dapm.c
+++ b/sound/soc/soc-dapm.c
@@ -499,18 +499,22 @@ static void dapm_set_path_status(struct snd_soc_dapm_widget *w,
                 int val;
                 struct soc_mixer_control *mc = (struct soc_mixer_control *)
                         w->kcontrol_news[i].private_value;
-                unsigned int reg = mc->reg;
+                int reg = mc->reg;
                 unsigned int shift = mc->shift;
                 int max = mc->max;
                 unsigned int mask = (1 << fls(max)) - 1;
                 unsigned int invert = mc->invert;
 
-                val = soc_widget_read(w, reg);
-                val = (val >> shift) & mask;
-                if (invert)
-                        val = max - val;
+                if (reg != SND_SOC_NOPM) {
+                        val = soc_widget_read(w, reg);
+                        val = (val >> shift) & mask;
+                        if (invert)
+                                val = max - val;
+                        p->connect = !!val;
+                } else {
+                        p->connect = 0;
+                }
 
-                p->connect = !!val;
         }
         break;
         case snd_soc_dapm_mux: {
@@ -2792,7 +2796,7 @@ int snd_soc_dapm_get_volsw(struct snd_kcontrol *kcontrol,
         struct snd_soc_card *card = codec->card;
         struct soc_mixer_control *mc =
                 (struct soc_mixer_control *)kcontrol->private_value;
-        unsigned int reg = mc->reg;
+        int reg = mc->reg;
         unsigned int shift = mc->shift;
         int max = mc->max;
         unsigned int mask = (1 << fls(max)) - 1;
@@ -2805,7 +2809,7 @@ int snd_soc_dapm_get_volsw(struct snd_kcontrol *kcontrol,
                          kcontrol->id.name);
 
         mutex_lock_nested(&card->dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME);
-        if (dapm_kcontrol_is_powered(kcontrol))
+        if (dapm_kcontrol_is_powered(kcontrol) && reg != SND_SOC_NOPM)
                 val = (snd_soc_read(codec, reg) >> shift) & mask;
         else
                 val = dapm_kcontrol_get_value(kcontrol);
@@ -2836,7 +2840,7 @@ int snd_soc_dapm_put_volsw(struct snd_kcontrol *kcontrol,
         struct snd_soc_card *card = codec->card;
         struct soc_mixer_control *mc =
                 (struct soc_mixer_control *)kcontrol->private_value;
-        unsigned int reg = mc->reg;
+        int reg = mc->reg;
         unsigned int shift = mc->shift;
         int max = mc->max;
         unsigned int mask = (1 << fls(max)) - 1;
@@ -2858,19 +2862,24 @@ int snd_soc_dapm_put_volsw(struct snd_kcontrol *kcontrol,
 
         mutex_lock_nested(&card->dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME);
 
-        dapm_kcontrol_set_value(kcontrol, val);
+        change = dapm_kcontrol_set_value(kcontrol, val);
 
-        mask = mask << shift;
-        val = val << shift;
+        if (reg != SND_SOC_NOPM) {
+                mask = mask << shift;
+                val = val << shift;
+
+                change = snd_soc_test_bits(codec, reg, mask, val);
+        }
 
-        change = snd_soc_test_bits(codec, reg, mask, val);
         if (change) {
-                update.kcontrol = kcontrol;
-                update.reg = reg;
-                update.mask = mask;
-                update.val = val;
+                if (reg != SND_SOC_NOPM) {
+                        update.kcontrol = kcontrol;
+                        update.reg = reg;
+                        update.mask = mask;
+                        update.val = val;
 
-                card->update = &update;
+                        card->update = &update;
+                }
 
                 soc_dapm_mixer_update_power(card, kcontrol, connect);