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| author | Eduardo Valentin <eduardo.valentin@ti.com> | 2013-03-15 09:00:15 -0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-03-15 09:02:22 -0700 |
| commit | e7f60b5360ff093a220b0022e62648d9090eae4e (patch) | |
| tree | 7c419922c94025592c17076940e09fda0f8fb765 | |
| parent | 26a70ed987acc329d64fa26c230d375e8f631512 (diff) | |
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>
| -rw-r--r-- | 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 963fcafc76e1..39bfe8d48eff 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) |