From: Eduardo Valentin Date: Fri, 15 Mar 2013 13:00:17 +0000 (-0400) Subject: staging: omap-thermal: document omap_bandgap_add_hyst function X-Git-Tag: firefly_0821_release~3680^2~674^2~616 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=8a1cefe857ae936d5a5f731eb301737139434580;p=firefly-linux-kernel-4.4.55.git staging: omap-thermal: document omap_bandgap_add_hyst function Document function to handle hysteresis. Signed-off-by: Eduardo Valentin Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/staging/omap-thermal/omap-bandgap.c b/drivers/staging/omap-thermal/omap-bandgap.c index 7b10d1851092..bff4b757c51a 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)