Commit fdc7d8e8 authored Sep 05, 2019 by Dan Robertson Committed by Guenter Roeck Sep 10, 2019

hwmon: (shtc1) fix shtc1 and shtw1 id mask



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: 1a539d37 ("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>

parent 35cd1804

drivers/hwmon/shtc1.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -28,7 +28,7 @@ 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

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