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HID: fix N-trig touch panel with recent firmware 

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>
This commit is contained in:
Stephane Chatty 2010-04-06 22:22:58 +02:00 committed by Jiri Kosina
parent ab195c58b8
commit 6549981bc5
1 changed files with 10 additions and 2 deletions
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12
drivers/hid/hid-ntrig.c
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@ -1,8 +1,8 @@
/* /*
* HID driver for N-Trig touchscreens * HID driver for N-Trig touchscreens
* *
* Copyright (c) 2008 Rafi Rubin * Copyright (c) 2008-2010 Rafi Rubin
* Copyright (c) 2009 Stephane Chatty * Copyright (c) 2009-2010 Stephane Chatty
* *
*/ */
@ -15,6 +15,8 @@
#include <linux/device.h> #include <linux/device.h>
#include <linux/hid.h> #include <linux/hid.h>
#include <linux/usb.h>
#include "usbhid/usbhid.h"
#include <linux/module.h> #include <linux/module.h>
#include <linux/slab.h> #include <linux/slab.h>
@ -286,6 +288,7 @@ static int ntrig_probe(struct hid_device *hdev, const struct hid_device_id *id)
struct ntrig_data *nd; struct ntrig_data *nd;
struct hid_input *hidinput; struct hid_input *hidinput;
struct input_dev *input; struct input_dev *input;
struct hid_report *report;
if (id->driver_data) if (id->driver_data)
hdev->quirks |= HID_QUIRK_MULTI_INPUT; hdev->quirks |= HID_QUIRK_MULTI_INPUT;
@ -349,6 +352,11 @@ 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; return 0;
err_free: err_free:
kfree(nd); kfree(nd);