HID: fix N-trig touch panel with recent firmware
 

From: Stephane Chatty <chatty@lii-enac.fr>

Added an init message that avoids device freeze with recent firmware.

Signed-off-by: Stephane Chatty <chatty@enac.fr>
Tested-by: Rafi Rubin <rafi@seas.upenn.edu>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
(cherry picked from commit 6549981bc54777c37eccf987e227aff47022ab7c)

BugLink: http://bugs.launchpad.net/bugs/583531

Signed-off-by: Chase Douglas <chase.douglas@canonical.com>
---
drivers/hid/hid-ntrig.c | 12 ++++++++++--
1 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/drivers/hid/hid-ntrig.c b/drivers/hid/hid-ntrig.c
index edcc0c4..74b3d98 100644
--- a/drivers/hid/hid-ntrig.c
+++ b/drivers/hid/hid-ntrig.c
@@ -1,8 +1,8 @@
/*
* HID driver for N-Trig touchscreens
*
- * Copyright (c) 2008 Rafi Rubin
- * Copyright (c) 2009 Stephane Chatty
+ * Copyright (c) 2008-2010 Rafi Rubin
+ * Copyright (c) 2009-2010 Stephane Chatty
*
*/

@@ -15,6 +15,8 @@

#include <linux/device.h>
#include <linux/hid.h>
+#include <linux/usb.h>
+#include "usbhid/usbhid.h"
#include <linux/module.h>

#include "hid-ids.h"
@@ -285,6 +287,7 @@ static int ntrig_probe(struct hid_device *hdev, const struct hid_device_id *id)
struct ntrig_data *nd;
struct hid_input *hidinput;
struct input_dev *input;
+ struct hid_report *report;

if (id->driver_data)
hdev->quirks |= HID_QUIRK_MULTI_INPUT;
@@ -348,6 +351,11 @@ static int ntrig_probe(struct hid_device *hdev, const struct hid_device_id *id)
}
}

+ report = hdev->report_enum[HID_FEATURE_REPORT].report_id_hash[0x0a];
+ if (report)
+ usbhid_submit_report(hdev, report, USB_DIR_OUT);
+
+
return 0;
err_free:
kfree(nd);
--
1.7.0.4


--
kernel-team mailing list
kernel-team@lists.ubuntu.com
https://lists.ubuntu.com/mailman/listinfo/kernel-team