ASoC: arizona: Add debug prints for output power up/down times

When debugging it is useful to check the total power up/down delay that
is executed as part of the coalesced output delay. This patch adds some
debug prints for this.
Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

sound/soc/codecs/arizona.c

@@ -891,6 +891,8 @@ int arizona_out_ev(struct snd_soc_dapm_widget *w,
 		case ARIZONA_OUT3R_ENA_SHIFT:
 			priv->out_up_pending--;
 			if (!priv->out_up_pending) {
+				dev_dbg(codec->dev, "Power up delay: %d\n",
+					priv->out_up_delay);
 				msleep(priv->out_up_delay);
 				priv->out_up_delay = 0;
 			}
@@ -925,6 +927,8 @@ int arizona_out_ev(struct snd_soc_dapm_widget *w,
 		case ARIZONA_OUT3R_ENA_SHIFT:
 			priv->out_down_pending--;
 			if (!priv->out_down_pending) {
+				dev_dbg(codec->dev, "Power down delay: %d\n",
+					priv->out_down_delay);
 				msleep(priv->out_down_delay);
 				priv->out_down_delay = 0;
 			}