From: J Keerthy <j-keerthy@xxxxxx>
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: J Keerthy <j-keerthy@xxxxxx>
Signed-off-by: Eduardo Valentin <eduardo.valentin@xxxxxx>
---
drivers/staging/ti-soc-thermal/ti-bandgap.h | 4 ++++
1 files changed, 4 insertions(+), 0 deletions(-)
diff --git a/drivers/staging/ti-soc-thermal/ti-bandgap.h b/drivers/staging/ti-soc-thermal/ti-bandgap.h
index 8ee4857..e29e357 100644
--- a/drivers/staging/ti-soc-thermal/ti-bandgap.h
+++ b/drivers/staging/ti-soc-thermal/ti-bandgap.h
@@ -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)
--
1.7.7.1.488.ge8e1c
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