ASoC: sta32x: add workaround for ESD reset issue

sta32x resets and loses all configuration during ESD test.
Work around by polling the CONFA register once a second
and restore all coeffcients and registers when CONFA
changes unexpectedly.

Signed-off-by: Johannes Stezenbach <js@sig21.net>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/include/sound/sta32x.h b/include/sound/sta32x.h
index 45d7477c049b..8d93b0357a14 100644
--- a/include/sound/sta32x.h
+++ b/include/sound/sta32x.h
@@ -29,6 +29,7 @@ struct sta32x_platform_data {
         int ch2_output_mapping;
         int ch3_output_mapping;
         int thermal_conf;
+        int needs_esd_watchdog;
 };
 
 #endif /* __LINUX_SND__STA32X_H */