[3.11.y.z extended stable] Patch "HID:hid-lg4ff: Initialize device properties before we touch" has been added to staging queue

[Luis Henriques]

This is a note to let you know that I have just added a patch titled

    HID:hid-lg4ff: Initialize device properties before we touch

to the linux-3.11.y-queue branch of the 3.11.y.z extended stable tree 
which can be found at:

 http://kernel.ubuntu.com/git?p=ubuntu/linux.git;a=shortlog;h=refs/heads/linux-3.11.y-queue

If you, or anyone else, feels it should not be added to this tree, please 
reply to this email.

For more information about the 3.11.y.z tree, see
https://wiki.ubuntu.com/Kernel/Dev/ExtendedStable

Thanks.
-Luis

------

>From 062099fbe623a7dec62f5998930bcf4fadbeba98 Mon Sep 17 00:00:00 2001
From: Simon Wood <simon at mungewell.org>
Date: Wed, 6 Nov 2013 12:30:43 -0700
Subject: HID:hid-lg4ff: Initialize device properties before we touch
 autocentering.
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

commit 114a55cf9dd1576e7ac56189832cd4d7dc56c218 upstream.

Re-arrange code slightly to ensure that device properties are configured
before calling auto-center command.

Reported-by: Michal Malý <madcatxster at prifuk.cz>
Signed-off-by: Simon Wood <simon at mungewell.org>
Signed-off-by: Jiri Kosina <jkosina at suse.cz>
Signed-off-by: Luis Henriques <luis.henriques at canonical.com>
---
 drivers/hid/hid-lg4ff.c | 22 +++++++++++-----------
 1 file changed, 11 insertions(+), 11 deletions(-)

diff --git a/drivers/hid/hid-lg4ff.c b/drivers/hid/hid-lg4ff.c
index 49f6cc0..3518053 100644
--- a/drivers/hid/hid-lg4ff.c
+++ b/drivers/hid/hid-lg4ff.c
@@ -574,17 +574,6 @@ int lg4ff_init(struct hid_device *hid)
 	if (error)
 		return error;

-	/* Check if autocentering is available and
-	 * set the centering force to zero by default */
-	if (test_bit(FF_AUTOCENTER, dev->ffbit)) {
-		if (rev_maj == FFEX_REV_MAJ && rev_min == FFEX_REV_MIN)	/* Formula Force EX expects different autocentering command */
-			dev->ff->set_autocenter = hid_lg4ff_set_autocenter_ffex;
-		else
-			dev->ff->set_autocenter = hid_lg4ff_set_autocenter_default;
-
-		dev->ff->set_autocenter(dev, 0);
-	}
-
 	/* Get private driver data */
 	drv_data = hid_get_drvdata(hid);
 	if (!drv_data) {
@@ -605,6 +594,17 @@ int lg4ff_init(struct hid_device *hid)
 	entry->max_range = lg4ff_devices[i].max_range;
 	entry->set_range = lg4ff_devices[i].set_range;

+	/* Check if autocentering is available and
+	 * set the centering force to zero by default */
+	if (test_bit(FF_AUTOCENTER, dev->ffbit)) {
+		if (rev_maj == FFEX_REV_MAJ && rev_min == FFEX_REV_MIN)	/* Formula Force EX expects different autocentering command */
+			dev->ff->set_autocenter = hid_lg4ff_set_autocenter_ffex;
+		else
+			dev->ff->set_autocenter = hid_lg4ff_set_autocenter_default;
+
+		dev->ff->set_autocenter(dev, 0);
+	}
+
 	/* Create sysfs interface */
 	error = device_create_file(&hid->dev, &dev_attr_range);
 	if (error)
--
1.9.1