SoC a5: saradc: fix the issue of large sampling errors of some chips [1/1]
PD#SWPL-178924
Problem:
Fix the issue of large sampling errors of some chips.
Solution:
Configured in single-ended mode and calibrated using the formula.
Verify:
A5/AV400
Change-Id: I6003ce8dcc4c46d8735ed783fa343b601f5b33ad
Signed-off-by: Huqiang Qin <huqiang.qin@amlogic.com>
diff --git a/a5/saradc-data.h b/a5/saradc-data.h
index 12502bf..fd31bbd 100644
--- a/a5/saradc-data.h
+++ b/a5/saradc-data.h
@@ -21,4 +21,7 @@
#define SARADC_REG_NUM (39 + 1)
+/* enable software calibration */
+#define SARADC_SOFTWARE_CALIBRATION
+
#endif