[41/50] staging: omap-thermal: document _omap_bandgap_read_threshold function

Commit Message

Eduardo Valentin March 15, 2013, 1 p.m. UTC

Add documentation of the function for reading alert thresholds

Signed-off-by: Eduardo Valentin <[e-mail]>
---
 drivers/staging/omap-thermal/omap-bandgap.c |   12 ++++++++++++
 1 files changed, 12 insertions(+), 0 deletions(-)

Patch

diff --git a/drivers/staging/omap-thermal/omap-bandgap.c b/drivers/staging/omap-thermal/omap-bandgap.c
index 4cacfc1..aa90539 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)
 {