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| author | Tim Harvey <tharvey@gateworks.com> | 2016-05-24 11:03:51 -0700 |
|---|---|---|
| committer | Stefano Babic <sbabic@denx.de> | 2016-05-31 17:24:30 +0200 |
| commit | 82a17e75da0d812c2e583e733efd1e67e7488933 (patch) | |
| tree | b0dabd77e86287eae33d0661ee689641e61136f3 /board/gateworks | |
| parent | efa7ed7236ee5bfab871f35ce70f3e3e1d39b4f6 (diff) | |
| download | blackbird-obmc-uboot-82a17e75da0d812c2e583e733efd1e67e7488933.tar.gz blackbird-obmc-uboot-82a17e75da0d812c2e583e733efd1e67e7488933.zip | |
imx: ventana: gsc: fix negative temperature readings
The GSC Temperature sensor is a 2's complement value - adjust accordingly
for negative temperatures.
Signed-off-by: Tim Harvey <tharvey@gateworks.com>
Diffstat (limited to 'board/gateworks')
| -rw-r--r-- | board/gateworks/gw_ventana/gsc.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/board/gateworks/gw_ventana/gsc.c b/board/gateworks/gw_ventana/gsc.c index 2555824259..c626ba25e7 100644 --- a/board/gateworks/gw_ventana/gsc.c +++ b/board/gateworks/gw_ventana/gsc.c @@ -71,6 +71,8 @@ static void read_hwmon(const char *name, uint reg, uint size) puts("fRD\n"); } else { ui = buf[0] | (buf[1]<<8) | (buf[2]<<16); + if (reg == GSC_HWMON_TEMP && ui > 0x8000) + ui -= 0xffff; if (ui == 0xffffff) puts("invalid\n"); else |
