From: Fabio Baltieri Date: Sun, 8 Jun 2014 21:06:24 +0000 (+0100) Subject: hwmon: (ina2xx) Cast to s16 on shunt and current regs X-Git-Tag: omap-for-v3.16/fixes-against-rc1~20^2~5 X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c0214f98943b1fe43f7be61b7782b0c8f0836f28;p=pandora-kernel.git hwmon: (ina2xx) Cast to s16 on shunt and current regs All devices supported by ina2xx are bidirectional and report the measured shunt voltage and power values as a signed 16 bit, but the current driver implementation caches all registers as u16, leading to an incorrect sign extension when reporting to userspace in ina2xx_get_value(). This patch fixes the problem by casting the signed registers to s16. Tested on an INA219. Signed-off-by: Fabio Baltieri Cc: stable@vger.kernel.org # 3.10+ Signed-off-by: Guenter Roeck --- Reading git-diff-tree failed