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staging: omap-thermal: document _omap_bandgap_read_threshold function

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Add documentation of the function for reading alert thresholds

Signed-off-by: Eduardo Valentin <eduardo.valentin@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Eduardo Valentin 2013-03-15 09:00:29 -04:00 • committed by Greg Kroah-Hartman
parent 9efa93b0e6
commit 7a681a50ed
1 changed files with 12 additions and 0 deletions
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12
drivers/staging/omap-thermal/omap-bandgap.c
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@ -510,6 +510,18 @@ exit:
return ret; return ret;
} }
/**
* _omap_bandgap_read_threshold() - helper to read TALERT t_cold or t_hot
* @bg_ptr: struct omap_bandgap pointer
* @id: bandgap sensor id
* @val: value (mCelsius) of a threshold
* @hot: desired threshold to be read. true if threshold hot, false if
* threshold cold
*
* It will fetch the required thresholds (hot and cold) for TALERT signal.
* This function can be used to read t_hot or t_cold, depending on @hot value.
* Call this function only if bandgap features HAS(TALERT).
*/
int _omap_bandgap_read_threshold(struct omap_bandgap *bg_ptr, int id, int _omap_bandgap_read_threshold(struct omap_bandgap *bg_ptr, int id,
int *val, bool hot) int *val, bool hot)
{ {