Document function to handle hysteresis.
Signed-off-by: Eduardo Valentin <[email protected]>
---
drivers/staging/omap-thermal/omap-bandgap.c | 10 ++++++++++
1 files changed, 10 insertions(+), 0 deletions(-)
diff --git a/drivers/staging/omap-thermal/omap-bandgap.c
b/drivers/staging/omap-thermal/omap-bandgap.c
index 7b10d18..bff4b75 100644
--- a/drivers/staging/omap-thermal/omap-bandgap.c
+++ b/drivers/staging/omap-thermal/omap-bandgap.c
@@ -303,6 +303,16 @@ exit:
return ret;
}
+/**
+ * omap_bandgap_add_hyst() - add hysteresis (in mCelsius) to an ADC value
+ * @bg_ptr: struct omap_bandgap pointer
+ * @adc_val: temperature value in ADC representation
+ * @hyst_val: hysteresis value in mCelsius
+ * @sum: address where to write the resulting temperature (in ADC scale)
+ *
+ * Adds an hysteresis value (in mCelsius) to a ADC temperature value.
+ * Returns 0 on success, -ERANGE otherwise.
+ */
static
int omap_bandgap_add_hyst(struct omap_bandgap *bg_ptr, int adc_val,
int hyst_val, u32 *sum)
--
1.7.7.1.488.ge8e1c
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