summaryrefslogtreecommitdiff
path: root/drivers/hwmon/lm75.c
diff options
context:
space:
mode:
authorBen Warren <biggerbadderben@gmail.com>2008-06-08 22:04:22 -0700
committerBen Warren <biggerbadderben@gmail.com>2008-06-08 22:04:22 -0700
commite44f3ea4e801d37ef293284cb57b9637382f211a (patch)
tree09e6e9e68764e65ef7115db18319ec7e57c90b41 /drivers/hwmon/lm75.c
parent0e38c938ed4bcadb4f4fc1419a541431e94fc202 (diff)
parent8155efbd7ae9c65564ca98affe94631d612ae088 (diff)
downloadu-boot-imx-e44f3ea4e801d37ef293284cb57b9637382f211a.zip
u-boot-imx-e44f3ea4e801d37ef293284cb57b9637382f211a.tar.gz
u-boot-imx-e44f3ea4e801d37ef293284cb57b9637382f211a.tar.bz2
Merge branch 'master' of git://git.denx.de/u-boot
Diffstat (limited to 'drivers/hwmon/lm75.c')
-rw-r--r--drivers/hwmon/lm75.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/hwmon/lm75.c b/drivers/hwmon/lm75.c
index e29b294..c348517 100644
--- a/drivers/hwmon/lm75.c
+++ b/drivers/hwmon/lm75.c
@@ -47,6 +47,19 @@ int dtt_read(int sensor, int reg)
int dlen;
uchar data[2];
+#ifdef CONFIG_DTT_AD7414
+ /*
+ * On AD7414 the first value upon bootup is not read correctly.
+ * This is most likely because of the 800ms update time of the
+ * temp register in normal update mode. To get current values
+ * each time we issue the "dtt" command including upon powerup
+ * we switch into one-short mode.
+ *
+ * Issue one-shot mode command
+ */
+ dtt_write(sensor, DTT_CONFIG, 0x64);
+#endif
+
/*
* Validate 'reg' param
*/