From: J Keerthy Date: Mon, 1 Apr 2013 16:04:43 +0000 (-0400) Subject: staging: ti-soc-thermal: Introduce HAS_HISTORY_BUFFER feature for bandgap X-Git-Url: http://git.cdn.openwrt.org/?a=commitdiff_plain;h=07a7fb648f7fad2c16d28b1a8e8e773aa16e1b90;p=openwrt%2Fstaging%2Fblogic.git 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: J Keerthy Signed-off-by: Eduardo Valentin Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/staging/ti-soc-thermal/ti-bandgap.h b/drivers/staging/ti-soc-thermal/ti-bandgap.h index 8ee4857e5ff8..e29e357fd198 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)