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Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid

Browse Source 
Pull HID fixes from Jiri Kosina:

 - a partial revert of exponent parsing changes to make "Unit" exponent
   item work properly again, by Nikolai Kondrashov

 - a few new device IDs additions piggy-backing, by AceLan Kao and David
   Herrmann

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid:
  HID: wiimote: add LEGO-wiimote VID
  HID: Fix unit exponent parsing again
  HID: usbhid: quirk for SiS Touchscreen
  HID: usbhid: quirk for Synaptics Large Touchccreen
This commit is contained in:
Linus Torvalds 2013-10-22 08:22:40 +01:00
commit 1c241131a1
5 changed files with 24 additions and 15 deletions
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12
drivers/hid/hid-core.c
View File

@ -319,7 +319,7 @@ static s32 item_sdata(struct hid_item *item)
static int hid_parser_global(struct hid_parser *parser, struct hid_item *item)
{
__u32 raw_value;
__s32 raw_value;
switch (item->tag) {
case HID_GLOBAL_ITEM_TAG_PUSH:
@ -370,10 +370,11 @@ static int hid_parser_global(struct hid_parser *parser, struct hid_item *item)
return 0;
case HID_GLOBAL_ITEM_TAG_UNIT_EXPONENT:
/* Units exponent negative numbers are given through a
* two's complement.
* See "6.2.2.7 Global Items" for more information. */
raw_value = item_udata(item);
/* Many devices provide unit exponent as a two's complement
* nibble due to the common misunderstanding of HID
* specification 1.11, 6.2.2.7 Global Items. Attempt to handle
* both this and the standard encoding. */
raw_value = item_sdata(item);
if (!(raw_value & 0xfffffff0))
parser->global.unit_exponent = hid_snto32(raw_value, 4);
else
@ -1870,6 +1871,7 @@ static const struct hid_device_id hid_have_special_driver[] = {
{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_BT) },
{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_NINTENDO, USB_DEVICE_ID_NINTENDO_WIIMOTE) },
{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_NINTENDO2, USB_DEVICE_ID_NINTENDO_WIIMOTE) },
{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_NINTENDO, USB_DEVICE_ID_NINTENDO_WIIMOTE2) },
{ }
};

6
drivers/hid/hid-ids.h
View File

@ -633,6 +633,7 @@
#define USB_DEVICE_ID_NEXTWINDOW_TOUCHSCREEN 0x0003
#define USB_VENDOR_ID_NINTENDO 0x057e
#define USB_VENDOR_ID_NINTENDO2 0x054c
#define USB_DEVICE_ID_NINTENDO_WIIMOTE 0x0306
#define USB_DEVICE_ID_NINTENDO_WIIMOTE2 0x0330
@ -792,6 +793,8 @@
#define USB_DEVICE_ID_SYNAPTICS_COMP_TP 0x0009
#define USB_DEVICE_ID_SYNAPTICS_WTP 0x0010
#define USB_DEVICE_ID_SYNAPTICS_DPAD 0x0013
#define USB_DEVICE_ID_SYNAPTICS_LTS1 0x0af8
#define USB_DEVICE_ID_SYNAPTICS_LTS2 0x1d10
#define USB_VENDOR_ID_THINGM 0x27b8
#define USB_DEVICE_ID_BLINK1 0x01ed
@ -919,4 +922,7 @@
#define USB_VENDOR_ID_PRIMAX 0x0461
#define USB_DEVICE_ID_PRIMAX_KEYBOARD 0x4e05
#define USB_VENDOR_ID_SIS 0x0457
#define USB_DEVICE_ID_SIS_TS 0x1013
#endif

13
drivers/hid/hid-input.c
View File

@ -192,6 +192,7 @@ static int hidinput_setkeycode(struct input_dev *dev,
return -EINVAL;
}
/**
* hidinput_calc_abs_res - calculate an absolute axis resolution
* @field: the HID report field to calculate resolution for
@ -234,23 +235,17 @@ __s32 hidinput_calc_abs_res(const struct hid_field *field, __u16 code)
case ABS_MT_TOOL_Y:
case ABS_MT_TOUCH_MAJOR:
case ABS_MT_TOUCH_MINOR:
if (field->unit & 0xffffff00) /* Not a length */
return 0;
unit_exponent += hid_snto32(field->unit >> 4, 4) - 1;
switch (field->unit & 0xf) {
case 0x1: /* If centimeters */
if (field->unit == 0x11) { /* If centimeters */
/* Convert to millimeters */
unit_exponent += 1;
break;
case 0x3: /* If inches */
} else if (field->unit == 0x13) { /* If inches */
/* Convert to millimeters */
prev = physical_extents;
physical_extents *= 254;
if (physical_extents < prev)
return 0;
unit_exponent -= 1;
break;
default:
} else {
return 0;
}
break;

5
drivers/hid/hid-wiimote-core.c
View File

@ -834,7 +834,8 @@ static void wiimote_init_set_type(struct wiimote_data *wdata,
goto done;
}
if (vendor == USB_VENDOR_ID_NINTENDO) {
if (vendor == USB_VENDOR_ID_NINTENDO ||
vendor == USB_VENDOR_ID_NINTENDO2) {
if (product == USB_DEVICE_ID_NINTENDO_WIIMOTE) {
devtype = WIIMOTE_DEV_GEN10;
goto done;
@ -1855,6 +1856,8 @@ static void wiimote_hid_remove(struct hid_device *hdev)
static const struct hid_device_id wiimote_hid_devices[] = {
{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_NINTENDO,
USB_DEVICE_ID_NINTENDO_WIIMOTE) },
{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_NINTENDO2,
USB_DEVICE_ID_NINTENDO_WIIMOTE) },
{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_NINTENDO,
USB_DEVICE_ID_NINTENDO_WIIMOTE2) },
{ }

3
drivers/hid/usbhid/hid-quirks.c
View File

@ -110,6 +110,9 @@ static const struct hid_blacklist {
{ USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_MOUSEPEN_I608X, HID_QUIRK_MULTI_INPUT },
{ USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_EASYPEN_M610X, HID_QUIRK_MULTI_INPUT },
{ USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_DUOSENSE, HID_QUIRK_NO_INIT_REPORTS },
{ USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_LTS1, HID_QUIRK_NO_INIT_REPORTS },
{ USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_LTS2, HID_QUIRK_NO_INIT_REPORTS },
{ USB_VENDOR_ID_SIS, USB_DEVICE_ID_SIS_TS, HID_QUIRK_NO_INIT_REPORTS },
{ 0, 0 }
};