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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: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
This commit is contained in:
Benjamin Tissoires 2013-09-11 22:12:24 +02:00 committed by Jiri Kosina
parent 01ab35f14a
commit 0c5218362b
2 changed files with 7 additions and 15 deletions
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2
drivers/hid/Kconfig
View File

@ -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---

20
drivers/hid/hid-lenovo-tpkbd.c
View File

@ -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);