ASoC: wm_hubs: Add trace showing semantics of the DCS update

Aids diagnostics.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

1 files changed, 4 insertions, 0 deletions

diff --git a/sound/soc/codecs/wm_hubs.c b/sound/soc/codecs/wm_hubs.c
index b340552efe4e..b2e939a8970e 100644
--- a/sound/soc/codecs/wm_hubs.c
+++ b/sound/soc/codecs/wm_hubs.c
@@ -298,11 +298,15 @@ static void enable_dc_servo(struct snd_soc_codec *codec)
 
                 /* HPOUT1R */
                 offset = (s8)reg_r;
+                dev_dbg(codec->dev, "DCS right %d->%d\n", offset,
+                        offset + hubs->dcs_codes_r);
                 offset += hubs->dcs_codes_r;
                 dcs_cfg = (u8)offset << WM8993_DCS_DAC_WR_VAL_1_SHIFT;
 
                 /* HPOUT1L */
                 offset = (s8)reg_l;
+                dev_dbg(codec->dev, "DCS left %d->%d\n", offset,
+                        offset + hubs->dcs_codes_l);
                 offset += hubs->dcs_codes_l;
                 dcs_cfg |= (u8)offset;