These changes are the raw update to linux-4.4.6-rt14. Kernel sources

[kvmfornfv.git] / kernel / sound / soc / soc-ops.c

diff --git a/kernel/sound/soc/soc-ops.c b/kernel/sound/soc/soc-ops.c
index 100d92b..2f67ba6 100644 (file)
--- a/kernel/sound/soc/soc-ops.c
+++ b/kernel/sound/soc/soc-ops.c
@@ -206,6 +206,34 @@ int snd_soc_info_volsw(struct snd_kcontrol *kcontrol,
 }
 EXPORT_SYMBOL_GPL(snd_soc_info_volsw);
 
+/**
+ * snd_soc_info_volsw_sx - Mixer info callback for SX TLV controls
+ * @kcontrol: mixer control
+ * @uinfo: control element information
+ *
+ * Callback to provide information about a single mixer control, or a double
+ * mixer control that spans 2 registers of the SX TLV type. SX TLV controls
+ * have a range that represents both positive and negative values either side
+ * of zero but without a sign bit.
+ *
+ * Returns 0 for success.
+ */
+int snd_soc_info_volsw_sx(struct snd_kcontrol *kcontrol,
+                         struct snd_ctl_elem_info *uinfo)
+{
+       struct soc_mixer_control *mc =
+               (struct soc_mixer_control *)kcontrol->private_value;
+
+       snd_soc_info_volsw(kcontrol, uinfo);
+       /* Max represents the number of levels in an SX control not the
+        * maximum value, so add the minimum value back on
+        */
+       uinfo->value.integer.max += mc->min;
+
+       return 0;
+}
+EXPORT_SYMBOL_GPL(snd_soc_info_volsw_sx);
+
 /**
  * snd_soc_get_volsw - single mixer get callback
  * @kcontrol: mixer control
@@ -376,7 +404,7 @@ EXPORT_SYMBOL_GPL(snd_soc_get_volsw_sx);
 /**
  * snd_soc_put_volsw_sx - double mixer set callback
  * @kcontrol: mixer control
- * @uinfo: control element information
+ * @ucontrol: control element information
  *
  * Callback to set the value of a double mixer control that spans 2 registers.
  *
@@ -560,16 +588,16 @@ EXPORT_SYMBOL_GPL(snd_soc_get_volsw_range);
 /**
  * snd_soc_limit_volume - Set new limit to an existing volume control.
  *
- * @codec: where to look for the control
+ * @card: where to look for the control
  * @name: Name of the control
  * @max: new maximum limit
  *
  * Return 0 for success, else error.
  */
-int snd_soc_limit_volume(struct snd_soc_codec *codec,
+int snd_soc_limit_volume(struct snd_soc_card *card,
        const char *name, int max)
 {
-       struct snd_card *card = codec->component.card->snd_card;
+       struct snd_card *snd_card = card->snd_card;
        struct snd_kcontrol *kctl;
        struct soc_mixer_control *mc;
        int found = 0;
@@ -579,7 +607,7 @@ int snd_soc_limit_volume(struct snd_soc_codec *codec,
        if (unlikely(!name || max <= 0))
                return -EINVAL;
 
-       list_for_each_entry(kctl, &card->controls, list) {
+       list_for_each_entry(kctl, &snd_card->controls, list) {
                if (!strncmp(kctl->id.name, name, sizeof(kctl->id.name))) {
                        found = 1;
                        break;