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authorEduardo Valentin <eduardo.valentin@ti.com>2013-03-15 13:00:15 (GMT)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2013-03-15 16:02:22 (GMT)
commite7f60b5360ff093a220b0022e62648d9090eae4e (patch)
tree7c419922c94025592c17076940e09fda0f8fb765 /drivers/staging/omap-thermal
parent26a70ed987acc329d64fa26c230d375e8f631512 (diff)
downloadlinux-fsl-qoriq-e7f60b5360ff093a220b0022e62648d9090eae4e.tar.xz
staging: omap-thermal: add documentation for omap_bandgap_mcelsius_to_adc
Document the conversion function. Signed-off-by: Eduardo Valentin <eduardo.valentin@ti.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging/omap-thermal')
-rw-r--r--drivers/staging/omap-thermal/omap-bandgap.c10
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 963fcaf..39bfe8d 100644
--- a/drivers/staging/omap-thermal/omap-bandgap.c
+++ b/drivers/staging/omap-thermal/omap-bandgap.c
@@ -262,6 +262,16 @@ exit:
return ret;
}
+/**
+ * omap_bandgap_mcelsius_to_adc() - converts a mCelsius value to ADC scale
+ * @bg_ptr: struct omap_bandgap pointer
+ * @temp: value in mCelsius
+ * @adc: address where to write the resulting temperature in ADC representation
+ *
+ * Simple conversion from mCelsius to ADC values. In case the temp value
+ * is out of the ADC conv table range, it returns -ERANGE, 0 on success.
+ * The conversion table is indexed by the ADC values.
+ */
static
int omap_bandgap_mcelsius_to_adc(struct omap_bandgap *bg_ptr, long temp,
int *adc)