Commit b41e63cf authored Jul 28, 2015 by Hartmut Knaack Committed by Jonathan Cameron Aug 02, 2015

iio:accel:stk8312: check for invalid value



Revision 1.2 of the datasheet recommends on page 22 to only write non-zero
values read from OTP register 0x70 into AFECTRL register.

Signed-off-by: Hartmut Knaack <knaack.h@gmx.de>
Reviewed-by: Tiberiu Breana <tiberiu.a.breana@intel.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>

parent 946448e0

drivers/iio/accel/stk8312.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -150,6 +150,8 @@ static int stk8312_otp_init(struct stk8312_data *data)
		goto exit_err;

		ret = i2c_smbus_read_byte_data(client, STK8312_REG_OTPDATA);
		if (ret == 0)
		ret = -EINVAL;
		if (ret < 0)
		goto exit_err;

Admin message