staging: omap-thermal: add documentation for omap_bandgap_validate

Document the helper to validate a struct omap_bandgap and a sensor id.

Signed-off-by: Eduardo Valentin <eduardo.valentin@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/omap-thermal/omap-bandgap.c b/drivers/staging/omap-thermal/omap-bandgap.c
index 846ced66d10c0daf74729414fa1507badc5bc438..33bfe3bbc3670aa7349d814fa40fd3e2c9b53839 100644 (file)
--- a/drivers/staging/omap-thermal/omap-bandgap.c
+++ b/drivers/staging/omap-thermal/omap-bandgap.c
@@ -437,6 +437,14 @@ exit:
        return err;
 }
 
+/**
+ * omap_bandgap_validate() - helper to check the sanity of a struct omap_bandgap
+ * @bg_ptr: struct omap_bandgap pointer
+ * @id: bandgap sensor id
+ *
+ * Checks if the bandgap pointer is valid and if the sensor id is also
+ * applicable.
+ */
 static inline int omap_bandgap_validate(struct omap_bandgap *bg_ptr, int id)
 {
        int ret = 0;