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authorJosé Miguel Gonçalves <jose.goncalves@inov.pt>2013-12-11 11:11:13 +0000
committerGuenter Roeck <linux@roeck-us.net>2013-12-11 13:37:30 -0800
commitefabcc2123f0ed47870033b8d6fc73b50d76d635 (patch)
tree7cfd6a2641b7d7f5a616d5a4d346fbbb164eb59e /net/nonet.c
parent374b105797c3d4f29c685f3be535c35f5689b30e (diff)
downloadlinux-efabcc2123f0ed47870033b8d6fc73b50d76d635.tar.gz
hwmon: HIH-6130: Support I2C bus drivers without I2C_FUNC_SMBUS_QUICK
Some I2C bus drivers do not allow zero-length data transfers which are
required to start a measurement with the HIH6130/1 sensor. Nevertheless,
we can overcome this limitation by writing a zero dummy byte. This byte
is ignored by the sensor and was verified to be working with the OMAP
I2C bus driver in a BeagleBone board.

Signed-off-by: José Miguel Gonçalves <jose.goncalves@inov.pt>
[Guenter Roeck: Simplified complexity of write_length initialization]
Cc: stable@vger.kernel.org # v3.10+
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Diffstat (limited to 'net/nonet.c')
0 files changed, 0 insertions, 0 deletions