linux-kernel - [PATCH v4 5/6] acerhdf: added critical trip point

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Message-Id: <1405817480-25347-6-git-send-email-peter@piie.net>
Date:	Sun, 20 Jul 2014 02:51:19 +0200
From:	Peter Feuerer <peter@...e.net>
To:	LKML <linux-kernel@...r.kernel.org>
Cc:	Peter Feuerer <peter@...e.net>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Andreas Mohr <andi@...as.de>, Borislav Petkov <bp@...e.de>,
	Javi Merino <javi.merino@....com>
Subject: [PATCH v4 5/6] acerhdf: added critical trip point

added critical trip point which represents the temperature limit.
Added return -EINVAL in case wrong trip point is provided.

Cc: Andrew Morton <akpm@...ux-foundation.org>
Cc: Andreas Mohr <andi@...as.de>
Cc: Borislav Petkov <bp@...e.de>
Cc: Javi Merino <javi.merino@....com>
Signed-off-by: Peter Feuerer <peter@...e.net>
---
 drivers/platform/x86/acerhdf.c | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/drivers/platform/x86/acerhdf.c b/drivers/platform/x86/acerhdf.c
index e8c3111..0d521ea 100644
--- a/drivers/platform/x86/acerhdf.c
+++ b/drivers/platform/x86/acerhdf.c
@@ -444,6 +444,10 @@ static int acerhdf_get_trip_type(struct thermal_zone_device *thermal, int trip,
 {
 	if (trip == 0)
 		*type = THERMAL_TRIP_ACTIVE;
+	else if (trip == 1)
+		*type = THERMAL_TRIP_CRITICAL;
+	else
+		return -EINVAL;
 
 	return 0;
 }
@@ -464,6 +468,10 @@ static int acerhdf_get_trip_temp(struct thermal_zone_device *thermal, int trip,
 {
 	if (trip == 0)
 		*temp = fanon;
+	else if (trip == 1)
+		*temp = ACERHDF_TEMP_CRIT;
+	else
+		return -EINVAL;
 
 	return 0;
 }
@@ -714,7 +722,7 @@ static int acerhdf_register_thermal(void)
 	if (IS_ERR(cl_dev))
 		return -EINVAL;
 
-	thz_dev = thermal_zone_device_register("acerhdf", 1, 0, NULL,
+	thz_dev = thermal_zone_device_register("acerhdf", 2, 0, NULL,
 					      &acerhdf_dev_ops,
 					      &acerhdf_zone_params, 0,
 					      (kernelmode) ? interval*1000 : 0);
-- 
2.0.2

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