Document function to program alert thresholds
Signed-off-by: Eduardo Valentin <eduardo.valen...@ti.com>
---
drivers/staging/omap-thermal/omap-bandgap.c | 14 ++++++++++++++
1 files changed, 14 insertions(+), 0 deletions(-)
diff --git a/drivers/staging/omap-thermal/omap-bandgap.c
b/drivers/staging/omap-thermal/omap-bandgap.c
index 065f371..0eb21b3 100644
--- a/drivers/staging/omap-thermal/omap-bandgap.c
+++ b/drivers/staging/omap-thermal/omap-bandgap.c
@@ -370,6 +370,20 @@ static void omap_bandgap_unmask_interrupts(struct
omap_bandgap *bg_ptr, int id,
omap_bandgap_writel(bg_ptr, reg_val, tsr->bgap_mask_ctrl);
}
+/**
+ * omap_bandgap_update_alert_threshold() - sequence to update thresholds
+ * @bg_ptr: struct omap_bandgap pointer
+ * @id: bandgap sensor id
+ * @val: value (ADC) of a new threshold
+ * @hot: desired threshold to be updated. true if threshold hot, false if
+ * threshold cold
+ *
+ * It will program the required thresholds (hot and cold) for TALERT signal.
+ * This function can be used to update t_hot or t_cold, depending on @hot
value.
+ * It checks the resulting t_hot and t_cold values, based on the new passed
@val
+ * and configures the thresholds so that t_hot is always greater than t_cold.
+ * Call this function only if bandgap features HAS(TALERT).
+ */
static
int omap_bandgap_update_alert_threshold(struct omap_bandgap *bg_ptr, int id,
int val, bool hot)
--
1.7.7.1.488.ge8e1c
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