ASoC: wm_adsp: Take prefix into account in control name length

Change-Id: I301905aabada8adacee6b92f9935bf4d1260ac28
Signed-off-by: Charles Keepax <[email protected]>

Author: charleskeepax

sound/soc/codecs/wm_adsp.c

@@ -1713,9 +1713,13 @@ static int wm_adsp_create_control(struct wm_adsp *dsp,
 	}
 
 	if (subname) {
+		struct snd_soc_component *component = &dsp->codec->component;
 		int avail = SNDRV_CTL_ELEM_ID_NAME_MAXLEN - ret - 2;
 		int skip = 0;
 
+		if (component->name_prefix)
+			avail -= strlen(component->name_prefix) + 1;
+
 		/* Truncate the subname from the start if it is too long */
 		if (subname_len > avail)
 			skip = subname_len - avail;