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Commit 8a1cefe8 authored by Eduardo Valentin's avatar Eduardo Valentin Committed by Greg Kroah-Hartman
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staging: omap-thermal: document omap_bandgap_add_hyst function 



Document function to handle hysteresis.

Signed-off-by: default avatarEduardo Valentin <eduardo.valentin@ti.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 0f0ed7de

drivers/staging/omap-thermal/omap-bandgap.c

+10 −0
Original line number Diff line number Diff line
@@ -303,6 +303,16 @@ int omap_bandgap_mcelsius_to_adc(struct omap_bandgap *bg_ptr, long temp, 
	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)