* 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.
+ * of zero but without a sign bit. min is the minimum register value, max is
+ * the number of steps.
*
* Returns 0 for success.
*/
{
struct soc_mixer_control *mc =
(struct soc_mixer_control *)kcontrol->private_value;
+ int max;
- 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;
+ if (mc->platform_max)
+ max = mc->platform_max;
+ else
+ max = mc->max;
+
+ if (max == 1 && !strstr(kcontrol->id.name, " Volume"))
+ uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
+ else
+ uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
+
+ uinfo->count = snd_soc_volsw_is_stereo(mc) ? 2 : 1;
+ uinfo->value.integer.min = 0;
+ uinfo->value.integer.max = max;
return 0;
}