From mboxrd@z Thu Jan 1 00:00:00 1970 From: Zhang Rui Subject: Re: [PATCH 1/1] thermal: consider emul_temperature while computing trend Date: Thu, 13 Jun 2013 10:31:41 +0800 Message-ID: <1371090701.2135.14.camel@rzhang1-mobl4> References: <1369863420-21913-1-git-send-email-eduardo.valentin@ti.com> Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit Return-path: Received: from mga03.intel.com ([143.182.124.21]:22406 "EHLO mga03.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932071Ab3FMCbq (ORCPT ); Wed, 12 Jun 2013 22:31:46 -0400 In-Reply-To: <1369863420-21913-1-git-send-email-eduardo.valentin@ti.com> Sender: linux-pm-owner@vger.kernel.org List-Id: linux-pm@vger.kernel.org To: Eduardo Valentin Cc: Amit Daniel Kachhap , Durgadoss R , linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org On Wed, 2013-05-29 at 17:37 -0400, Eduardo Valentin wrote: > In case emulated temperature is in use, using the trend > provided by driver layer can lead to bogus situation. > In this case, debugger user would set a temperature value, > but the trend would be from driver computation. > > To avoid this situation, this patch changes the get_tz_trend() > to consider the emulated temperature whenever that is in use. > > Cc: Zhang Rui > Cc: Amit Daniel Kachhap > Cc: Durgadoss R > Cc: linux-pm@vger.kernel.org > Cc: linux-kernel@vger.kernel.org > Signed-off-by: Eduardo Valentin patch applied. thanks, rui > --- > drivers/thermal/thermal_core.c | 3 ++- > 1 file changed, 2 insertions(+), 1 deletion(-) > > diff --git a/drivers/thermal/thermal_core.c b/drivers/thermal/thermal_core.c > index d755440..c00dc92 100644 > --- a/drivers/thermal/thermal_core.c > +++ b/drivers/thermal/thermal_core.c > @@ -155,7 +155,8 @@ int get_tz_trend(struct thermal_zone_device *tz, int trip) > { > enum thermal_trend trend; > > - if (!tz->ops->get_trend || tz->ops->get_trend(tz, trip, &trend)) { > + if (tz->emul_temperature || !tz->ops->get_trend || > + tz->ops->get_trend(tz, trip, &trend)) { > if (tz->temperature > tz->last_temperature) > trend = THERMAL_TREND_RAISING; > else if (tz->temperature < tz->last_temperature)