[LUCID][PATCH 2/6] HID: fix N-trig touch panel with recent firmware

Chase Douglas chase.douglas at canonical.com
Mon May 24 13:54:30 UTC 2010


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

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

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

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

Signed-off-by: Chase Douglas <chase.douglas at 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





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