linux-kernel - [PATCH 3/8] asus-laptop: allow boot time control of Pegatron ALS sensor

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Date:	Fri, 14 Oct 2011 11:13:37 +0200
From:	Corentin Chary <corentincj@...aif.net>
To:	Matthew Garrett <mjg@...hat.com>
Cc:	Anisse Astier <anisse@...ier.eu>,
	acpi4asus-user@...ts.sourceforge.net,
	platform-driver-x86@...r.kernel.org, linux-kernel@...r.kernel.org,
	Andy Ross <andy.ross@...driver.com>,
	Corentin Chary <corentin.chary@...il.com>
Subject: [PATCH 3/8] asus-laptop: allow boot time control of Pegatron ALS sensor

From: Andy Ross <andy.ross@...driver.com>

Signed-off-by: Andy Ross <andy.ross@...driver.com>
Signed-off-by: Corentin Chary <corentin.chary@...il.com>
---
 drivers/platform/x86/asus-laptop.c |    8 +++++++-
 1 files changed, 7 insertions(+), 1 deletions(-)

diff --git a/drivers/platform/x86/asus-laptop.c b/drivers/platform/x86/asus-laptop.c
index afed9ff..e892a43 100644
--- a/drivers/platform/x86/asus-laptop.c
+++ b/drivers/platform/x86/asus-laptop.c
@@ -85,6 +85,7 @@ static int wlan_status = 1;
 static int bluetooth_status = 1;
 static int wimax_status = -1;
 static int wwan_status = -1;
+static int als_status;
 
 module_param(wlan_status, int, 0444);
 MODULE_PARM_DESC(wlan_status, "Set the wireless status on boot "
@@ -106,6 +107,11 @@ MODULE_PARM_DESC(wwan_status, "Set the wireless status on boot "
 		 "(0 = disabled, 1 = enabled, -1 = don't do anything). "
 		 "default is 1");
 
+module_param(als_status, int, 0444);
+MODULE_PARM_DESC(als_status, "Set the ALS status on boot "
+		 "(0 = disabled, 1 = enabled). "
+		 "default is 0");
+
 /*
  * Some events we use, same for all Asus
  */
@@ -1472,7 +1478,7 @@ static int __devinit asus_acpi_init(struct asus_laptop *asus)
 	asus->ledd_status = 0xFFF;
 
 	/* Set initial values of light sensor and level */
-	asus->light_switch = 0;	/* Default to light sensor disabled */
+	asus->light_switch = !!als_status;
 	asus->light_level = 5;	/* level 5 for sensor sensitivity */
 
 	if (asus->is_pega_lucid) {
-- 
1.7.3.4

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