From: Dan Robertson dan@dlrobertson.com
[ Upstream commit fdc7d8e829ec755c5cfb2f5a8d8c0cdfb664f895 ]
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@dlrobertson.com Link: https://lore.kernel.org/r/20190905014554.21658-3-dan@dlrobertson.com [groeck: Reordered to be first in series and adjusted accordingly] Signed-off-by: Guenter Roeck linux@roeck-us.net Signed-off-by: Sasha Levin sashal@kernel.org
Signed-off-by: Yang Yingliang yangyingliang@huawei.com --- drivers/hwmon/shtc1.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/hwmon/shtc1.c b/drivers/hwmon/shtc1.c index decd7df..2a18539 100644 --- a/drivers/hwmon/shtc1.c +++ b/drivers/hwmon/shtc1.c @@ -38,7 +38,7 @@
/* constants for reading the ID register */ #define SHTC1_ID 0x07 -#define SHTC1_ID_REG_MASK 0x1f +#define SHTC1_ID_REG_MASK 0x3f
/* delays for non-blocking i2c commands, both in us */ #define SHTC1_NONBLOCKING_WAIT_TIME_HPM 14400