linux-kernel - Re: [patch 2/3] acpi: Add a docked sysfs file to the dock driver.

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Date:	Mon, 11 Dec 2006 12:05:08 -0800
From:	Kristen Carlson Accardi <kristen.c.accardi@...el.com>
To:	Holger Macht <hmacht@...e.de>
Cc:	len.brown@...el.com, linux-kernel@...r.kernel.org,
	linux-acpi@...r.kernel.org, Brandon Philips <brandon@...p.org>
Subject: Re: [patch 2/3] acpi: Add a docked sysfs file to the dock driver.

On Sat, 9 Dec 2006 12:59:58 +0100
Holger Macht <hmacht@...e.de> wrote:

> Well, I like to have them ;-)

Ok - how is this?

Send a uevent to indicate a device change whenever we dock or
undock, so that userspace may now check the dock status via 
sysfs.

Signed-off-by: Kristen Carlson Accardi <kristen.c.accardi@...el.com>
---
 drivers/acpi/dock.c |    6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

--- kristen-2.6.orig/drivers/acpi/dock.c
+++ kristen-2.6/drivers/acpi/dock.c
@@ -326,10 +326,12 @@ static void hotplug_dock_devices(struct 
 
 static void dock_event(struct dock_station *ds, u32 event, int num)
 {
+	struct device *dev = &dock_device.dev;
 	/*
-	 * we don't do events until someone tells me that
-	 * they would like to have them.
+	 * Indicate that the status of the dock station has
+	 * changed.
 	 */
+	kobject_uevent(&dev->kobj, KOBJ_CHANGE);
 }
 
 /**
-
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