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thermal: ti-soc-thermal: Ensure to compute thermal trend 

Workaround to compute thermal trend even when update interval
is not set. This patch will ensure to compute the thermal trend
when bandgap counter delay is not set.

Signed-off-by: Ranganath Krishnan <ranganath@ti.com>
Signed-off-by: Eduardo Valentin <eduardo.valentin@ti.com>
This commit is contained in:
Ranganath Krishnan 2013-08-23 11:08:23 -05:00 committed by Eduardo Valentin
parent 10ccff1b57
commit e838ff8119
1 changed files with 5 additions and 1 deletions
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6
drivers/thermal/ti-soc-thermal/ti-bandgap.c
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@ -1020,9 +1020,13 @@ int ti_bandgap_get_trend(struct ti_bandgap *bgp, int id, int *trend)
/* Fetch the update interval */
ret = ti_bandgap_read_update_interval(bgp, id, &interval);
if (ret || !interval)
if (ret)
goto unfreeze;
/* Set the interval to 1 ms if bandgap counter delay is not set */
if (interval == 0)
interval = 1;
*trend = (t1 - t2) / interval;
dev_dbg(bgp->dev, "The temperatures are t1 = %d and t2 = %d and trend =%d\n",