linux-kernel - [PATCH v2 2/4] thermal: power_allocator: change k_pu_ratio/k_po

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Message-Id: <1452069023-32149-3-git-send-email-leo.yan@linaro.org>
Date:	Wed,  6 Jan 2016 16:30:21 +0800
From:	Leo Yan <leo.yan@...aro.org>
To:	Jonathan Corbet <corbet@....net>, Zhang Rui <rui.zhang@...el.com>,
	Eduardo Valentin <edubezval@...il.com>,
	Javi Merino <javi.merino@....com>,
	Punit Agrawal <punit.agrawal@....com>,
	Daniel Kurtz <djkurtz@...omium.org>, linux-doc@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-pm@...r.kernel.org,
	Daniel Thompson <daniel.thompson@...aro.org>
Cc:	Leo Yan <leo.yan@...aro.org>
Subject: [PATCH v2 2/4] thermal: power_allocator: change k_pu_ratio/k_po_ratio as percentage

Change k_pu_ratio/k_po_ratio as percentage value, so can set these
values from sys file nodes with high resolution.

Signed-off-by: Leo Yan <leo.yan@...aro.org>
---
 drivers/thermal/power_allocator.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/thermal/power_allocator.c b/drivers/thermal/power_allocator.c
index 76d2b47..c5f36fa 100644
--- a/drivers/thermal/power_allocator.c
+++ b/drivers/thermal/power_allocator.c
@@ -156,10 +156,10 @@ static void estimate_pid_constants(struct thermal_zone_device *tz,
 		return;
 
 	if (!tz->tzp->k_po_ratio || force)
-		tz->tzp->k_po_ratio = 1;
+		tz->tzp->k_po_ratio = 100;
 
 	if (!tz->tzp->k_pu_ratio || force)
-		tz->tzp->k_pu_ratio = 2;
+		tz->tzp->k_pu_ratio = 200;
 
 	if (!tz->tzp->k_i || force)
 		tz->tzp->k_i = int_to_frac(10) / 1000;
@@ -169,9 +169,9 @@ static void estimate_pid_constants(struct thermal_zone_device *tz,
 	 */
 
 	tz->tzp->k_po = int_to_frac(tz->tzp->k_po_ratio * sustainable_power) /
-				temperature_threshold;
+				temperature_threshold / 100;
 	tz->tzp->k_pu = int_to_frac(tz->tzp->k_pu_ratio * sustainable_power) /
-				temperature_threshold;
+				temperature_threshold / 100;
 }
 
 /**
-- 
1.9.1

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