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authorMark Brown <broonie@opensource.wolfsonmicro.com>2012-02-29 16:40:08 +0000
committerMark Brown <broonie@opensource.wolfsonmicro.com>2012-03-04 01:56:47 +0000
commit67109cbea1f92d369849dc88b6c9aca0f66c044e (patch)
treed4bc60a57586d626053263960bebbaa59869b5db /sound
parentb16db745b51a1ecd3fd526a2ff35d61f2962bd7f (diff)
ASoC: wm_hubs: Disable cache of the DC servo calibration for WM1811
The WM1811 DC servo is able to run much faster than previous devices so the benefit of skipping calibration is not useful. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Diffstat (limited to 'sound')
-rw-r--r--sound/soc/codecs/wm8994.c1
-rw-r--r--sound/soc/codecs/wm_hubs.c2
-rw-r--r--sound/soc/codecs/wm_hubs.h1
3 files changed, 3 insertions, 1 deletions
diff --git a/sound/soc/codecs/wm8994.c b/sound/soc/codecs/wm8994.c
index a567a4d9b5dc..1fef87d6a285 100644
--- a/sound/soc/codecs/wm8994.c
+++ b/sound/soc/codecs/wm8994.c
@@ -3535,6 +3535,7 @@ static int wm8994_codec_probe(struct snd_soc_codec *codec)
wm8994->hubs.dcs_readback_mode = 2;
wm8994->hubs.no_series_update = 1;
wm8994->hubs.hp_startup_mode = 1;
+ wm8994->hubs.no_cache_class_w = true;
switch (wm8994->revision) {
case 0:
diff --git a/sound/soc/codecs/wm_hubs.c b/sound/soc/codecs/wm_hubs.c
index 7cffdd4b70fb..c08d1c2f346f 100644
--- a/sound/soc/codecs/wm_hubs.c
+++ b/sound/soc/codecs/wm_hubs.c
@@ -207,7 +207,7 @@ static void calibrate_dc_servo(struct snd_soc_codec *codec)
/* Save the callibrated offset if we're in class W mode and
* therefore don't have any analogue signal mixed in. */
- if (hubs->class_w)
+ if (hubs->class_w && !hubs->no_cache_class_w)
hubs->class_w_dcs = dcs_cfg;
}
diff --git a/sound/soc/codecs/wm_hubs.h b/sound/soc/codecs/wm_hubs.h
index 4140905c7381..5705276f4943 100644
--- a/sound/soc/codecs/wm_hubs.h
+++ b/sound/soc/codecs/wm_hubs.h
@@ -30,6 +30,7 @@ struct wm_hubs_data {
int series_startup;
int no_series_update;
+ bool no_cache_class_w;
bool class_w;
u16 class_w_dcs;