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Commit 0c521836 authored by Benjamin Tissoires's avatar Benjamin Tissoires Committed by Jiri Kosina
Browse files

HID: lenovo-tpkbd: remove usb dependency 



lenovo tpkbd currently relies on the usb interface number to detect
if it is dealing with the touchpad interface or not.
As the report descriptors of the interface 0 does not contain the
button 3, we can use this to remove the need to check for usb.

Signed-off-by: default avatarBenjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: default avatarJiri Kosina <jkosina@suse.cz>
parent 01ab35f1

drivers/hid/Kconfig

+1 −1
Original line number Diff line number Diff line
@@ -322,7 +322,7 @@ config HID_LCPOWER 


config HID_LENOVO_TPKBD

	tristate "Lenovo ThinkPad USB Keyboard with TrackPoint"

	depends on USB_HID

	depends on HID

	select NEW_LEDS

	select LEDS_CLASS

	---help---

drivers/hid/hid-lenovo-tpkbd.c

+6 −14
Original line number Diff line number Diff line
@@ -14,11 +14,9 @@ 
#include <linux/module.h>

#include <linux/sysfs.h>

#include <linux/device.h>

#include <linux/usb.h>

#include <linux/hid.h>

#include <linux/input.h>

#include <linux/leds.h>

#include "usbhid/usbhid.h"



#include "hid-ids.h"
@@ -41,10 +39,9 @@ static int tpkbd_input_mapping(struct hid_device *hdev, 
		struct hid_input *hi, struct hid_field *field,

		struct hid_usage *usage, unsigned long **bit, int *max)

{

	struct usbhid_device *uhdev;



	uhdev = (struct usbhid_device *) hdev->driver_data;

	if (uhdev->ifnum == 1 && usage->hid == (HID_UP_BUTTON | 0x0010)) {

	if (usage->hid == (HID_UP_BUTTON | 0x0010)) {

		/* mark the device as pointer */

		hid_set_drvdata(hdev, (void *)1);

		map_key_clear(KEY_MICMUTE);

		return 1;

	}
@@ -398,7 +395,6 @@ static int tpkbd_probe(struct hid_device *hdev, 
		const struct hid_device_id *id)

{

	int ret;

	struct usbhid_device *uhdev;



	ret = hid_parse(hdev);

	if (ret) {
@@ -412,9 +408,8 @@ static int tpkbd_probe(struct hid_device *hdev, 
		goto err;

	}



	uhdev = (struct usbhid_device *) hdev->driver_data;



	if (uhdev->ifnum == 1) {

	if (hid_get_drvdata(hdev)) {

		hid_set_drvdata(hdev, NULL);

		ret = tpkbd_probe_tp(hdev);

		if (ret)

			goto err_hid;
@@ -442,10 +437,7 @@ static void tpkbd_remove_tp(struct hid_device *hdev) 


static void tpkbd_remove(struct hid_device *hdev)

{

	struct usbhid_device *uhdev;



	uhdev = (struct usbhid_device *) hdev->driver_data;

	if (uhdev->ifnum == 1)

	if (hid_get_drvdata(hdev))

		tpkbd_remove_tp(hdev);



	hid_hw_stop(hdev);