From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756678AbcG0OLC (ORCPT ); Wed, 27 Jul 2016 10:11:02 -0400 Received: from mail-pa0-f66.google.com ([209.85.220.66]:34768 "EHLO mail-pa0-f66.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756385AbcG0OK7 (ORCPT ); Wed, 27 Jul 2016 10:10:59 -0400 From: Caesar Wang To: Eduardo Valentin Cc: smbarber@chromium.org, dianders@chromium.org, briannorris@chromium.org, Rocky Hao , Caesar Wang , Zhang Rui , Heiko Stuebner , linux-pm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH 2/2] thermal: rockchip: optimize sensor auto accessing period Date: Wed, 27 Jul 2016 22:10:43 +0800 Message-Id: <1469628643-29661-2-git-send-email-wxt@rock-chips.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1469628643-29661-1-git-send-email-wxt@rock-chips.com> References: <1469628643-29661-1-git-send-email-wxt@rock-chips.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Rocky Hao 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. Signed-off-by: Rocky Hao Signed-off-by: Caesar Wang Cc: Zhang Rui Cc: Eduardo Valentin Cc: Heiko Stuebner Cc: linux-pm@vger.kernel.org --- drivers/thermal/rockchip_thermal.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/thermal/rockchip_thermal.c b/drivers/thermal/rockchip_thermal.c index a90423d..1f165c9 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 */ -- 1.9.1