ASoC: Allow suppression of series updates on wm_hubs devices

Some devices do not support manual updates of the DC servo.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Liam Girdwood <lrg@ti.com>

2 files changed, 2 insertions, 1 deletions

diff --git a/sound/soc/codecs/wm_hubs.c b/sound/soc/codecs/wm_hubs.c
index ee218a80e587..4ebc131b7f36 100644
--- a/sound/soc/codecs/wm_hubs.c
+++ b/sound/soc/codecs/wm_hubs.c
@@ -194,7 +194,7 @@ static int wm8993_put_dc_servo(struct snd_kcontrol *kcontrol,
 
         /* If we're applying an offset correction then updating the
          * callibration would be likely to introduce further offsets. */
-        if (hubs->dcs_codes)
+        if (hubs->dcs_codes || hubs->no_series_update)
                 return ret;
 
         /* Only need to do this if the outputs are active */
diff --git a/sound/soc/codecs/wm_hubs.h b/sound/soc/codecs/wm_hubs.h
index aeb58712a0e8..0d290d2740ec 100644
--- a/sound/soc/codecs/wm_hubs.h
+++ b/sound/soc/codecs/wm_hubs.h
@@ -24,6 +24,7 @@ struct wm_hubs_data {
         int dcs_readback_mode;
         int hp_startup_mode;
         int series_startup;
+        int no_series_update;
 
         bool class_w;
         u16 class_w_dcs;