ASoC: Use DAPM context rather than CODEC when constructing sequences

DAPM widgets may be associated with non-CODEC devices so compare based
on the DAPM context rather than the CODEC pointer.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Jarkko Nikula <jhnikula@gmail.com>
Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>

sound/soc/soc-dapm.c

@@ -710,8 +710,8 @@ static int dapm_seq_compare(struct snd_soc_dapm_widget *a,
 		return sort[a->id] - sort[b->id];
 	if (a->reg != b->reg)
 		return a->reg - b->reg;
-	if (a->codec != b->codec)
-		return (unsigned long)a->codec - (unsigned long)b->codec;
+	if (a->dapm != b->dapm)
+		return (unsigned long)a->dapm - (unsigned long)b->dapm;
 
 	return 0;
 }