Fix an error in the bitmaskfor the shtc1 and shtw1 bitmask used to
retrieve the chip ID from the ID register. See section 5.7 of the shtw1
or shtc1 datasheet for details.
Fixes: 1a539d372edd9832444e7a3daa710c444c014dc9 ("hwmon: add support for Sensirion SHTC1 sensor")
Signed-off-by: Dan Robertson <dan@xxxxxxxxxxxxxxx>
---
drivers/hwmon/shtc1.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/hwmon/shtc1.c b/drivers/hwmon/shtc1.c
index 3e9a859a2b58..c628313a20d4 100644
--- a/drivers/hwmon/shtc1.c
+++ b/drivers/hwmon/shtc1.c
@@ -27,14 +27,14 @@ static const unsigned char shtc1_cmd_measure_nonblocking_lpm[] = { 0x60, 0x9c };
static const unsigned char shtc1_cmd_read_id_reg[] = { 0xef, 0xc8 };
/* constants for reading the ID register
- * SHTC1: 0x0007 with mask 0x001f
- * SHTW1: 0x0007 with mask 0x001f
+ * SHTC1: 0x0007 with mask 0x003f
+ * SHTW1: 0x0007 with mask 0x003f
* SHTC3: 0x0807 with mask 0x083f
*/
#define SHTC3_ID 0x0807
#define SHTC3_ID_MASK 0x083f
#define SHTC1_ID 0x0007
-#define SHTC1_ID_MASK 0x001f
+#define SHTC1_ID_MASK 0x003f
/* delays for non-blocking i2c commands, both in us */
#define SHTC1_NONBLOCKING_WAIT_TIME_HPM 14400
--
2.23.0
