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Commit 4a6554ed authored by Eduardo Valentin's avatar Eduardo Valentin Committed by Greg Kroah-Hartman
Browse files

staging: omap-thermal: add documentation for omap_bandgap_read_temp 



Document function which reads temperature register, depending on
bandgap device version.

Signed-off-by: default avatarEduardo Valentin <eduardo.valentin@ti.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 7a556e6a

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

+10 −0
Original line number Diff line number Diff line
@@ -109,6 +109,16 @@ static int omap_bandgap_power(struct omap_bandgap *bg_ptr, bool on) 
	return 0;

}



/**

 * omap_bandgap_read_temp() - helper function to read sensor temperature

 * @bg_ptr: pointer to omap_bandgap structure

 * @id: bandgap sensor id

 *

 * Function to concentrate the steps to read sensor temperature register.

 * This function is desired because, depending on bandgap device version,

 * it might be needed to freeze the bandgap state machine, before fetching

 * the register value.

 */

static u32 omap_bandgap_read_temp(struct omap_bandgap *bg_ptr, int id)

{

	struct temp_sensor_registers *tsr;