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Commit 07a7fb64 authored by J Keerthy's avatar J Keerthy Committed by Greg Kroah-Hartman
Browse files

staging: ti-soc-thermal: Introduce HAS_HISTORY_BUFFER feature for bandgap 



The patch introduces HISTORY_BUFFER feature. This is present in OMAP5 bandgap
and it is a hardware history buffer of previously read temperatures.

Signed-off-by: default avatarJ Keerthy <j-keerthy@ti.com>
Signed-off-by: default avatarEduardo Valentin <eduardo.valentin@ti.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 58bccd07

drivers/staging/ti-soc-thermal/ti-bandgap.h

+4 −0
Original line number Diff line number Diff line
@@ -315,6 +315,9 @@ struct ti_temp_sensor { 
 * TI_BANDGAP_FEATURE_COUNTER_DELAY - used when the bandgap device features

 *	a delay programming based on distinct values.

 *

 * TI_BANDGAP_FEATURE_HISTORY_BUFFER - used when the bandgap device features

 *	a history buffer of temperatures.

 *

 * TI_BANDGAP_HAS(b, f) - macro to check if a bandgap device is capable of a

 *      specific feature (above) or not. Return non-zero, if yes.

 */
@@ -327,6 +330,7 @@ struct ti_temp_sensor { 
#define TI_BANDGAP_FEATURE_CLK_CTRL		BIT(6)

#define TI_BANDGAP_FEATURE_FREEZE_BIT		BIT(7)

#define TI_BANDGAP_FEATURE_COUNTER_DELAY	BIT(8)

#define TI_BANDGAP_FEATURE_HISTORY_BUFFER	BIT(9)

#define TI_BANDGAP_HAS(b, f)			\

			((b)->conf->features & TI_BANDGAP_FEATURE_ ## f)