From: Rocky Hao Date: Fri, 1 Jul 2016 08:35:46 +0000 (+0800) Subject: thermal: rockchip: optimize sensor auto accessing period X-Git-Tag: firefly_0821_release~2224 X-Git-Url: http://plrg.eecs.uci.edu/git/?p=firefly-linux-kernel-4.4.55.git;a=commitdiff_plain;h=91f2cf28e15ee69dcbd268c234317ed36daf6440 thermal: rockchip: optimize sensor auto accessing period In less than 10 ms, the temperature of soc will arise 10 degree. 250 ms is too big for soc tempeture control. Setting 2.5 ms will speed up temperature accessing speed but introduce no more cpu's computing overhead. We set AUTO_PERIOD_TIME and TSADCV3_AUTO_PERIOD_HT_TIME the same value, because normal temperature update speed is also our consern in IPA. Change-Id: Ie8038a1ae5837ad4aa31b04d1f3ace299f82e396 Signed-off-by: Rocky Hao --- diff --git a/drivers/thermal/rockchip_thermal.c b/drivers/thermal/rockchip_thermal.c index 26cbda55a6ab..66508100eb5d 100644 --- a/drivers/thermal/rockchip_thermal.c +++ b/drivers/thermal/rockchip_thermal.c @@ -213,8 +213,8 @@ struct rockchip_thermal_data { #define TSADCV2_HIGHT_TSHUT_DEBOUNCE_COUNT 4 #define TSADCV2_AUTO_PERIOD_TIME 250 /* 250ms */ #define TSADCV2_AUTO_PERIOD_HT_TIME 50 /* 50ms */ -#define TSADCV3_AUTO_PERIOD_TIME 187500 /* 250ms */ -#define TSADCV3_AUTO_PERIOD_HT_TIME 37500 /* 50ms */ +#define TSADCV3_AUTO_PERIOD_TIME 1875 /* 2.5ms */ +#define TSADCV3_AUTO_PERIOD_HT_TIME 1875 /* 2.5ms */ #define TSADCV2_USER_INTER_PD_SOC 0x340 /* 13 clocks */