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hwmon: (shtc1) fix shtc1 and shtw1 id mask

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[ Upstream commit fdc7d8e829 ]

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: 1a539d372e ("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>
This commit is contained in:
Dan Robertson
2019-09-05 01:45:54 +00:00
committed by Chris
parent db48feff6f
commit dc2a828520
1 changed files with 1 additions and 1 deletions
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2
drivers/hwmon/shtc1.c
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@@ -38,7 +38,7 @@ static const unsigned char shtc1_cmd_read_id_reg[] = { 0xef, 0xc8 };
/* 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