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authorEduardo Valentin <eduardo.valentin@ti.com>2013-03-15 09:00:29 -0400
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2013-03-15 09:02:24 -0700
commit7a681a50ed97c7db60fdde608d885533b9f98acb (patch)
treee896282f3dd9904fe925cba9321d7226f612e221 /drivers
parent9efa93b0e695d759141f840b683394e642cbbb94 (diff)
staging: omap-thermal: document _omap_bandgap_read_threshold function
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>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/staging/omap-thermal/omap-bandgap.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/staging/omap-thermal/omap-bandgap.c b/drivers/staging/omap-thermal/omap-bandgap.c
index 4cacfc1c546b..aa90539f20ca 100644
--- a/drivers/staging/omap-thermal/omap-bandgap.c
+++ b/drivers/staging/omap-thermal/omap-bandgap.c
@@ -510,6 +510,18 @@ exit:
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 *val, bool hot)
{