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authorLinus Torvalds <torvalds@linux-foundation.org>2015-09-02 04:39:09 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2015-09-02 04:39:09 +0300
commit851328feb8c1d4130d3a0acb004e474168702d6d (patch)
treed8518e8b4ba07419508b365f5e01484fee12ac60 /drivers/hid/hid-core.c
parent2d678b68e842e5b6fc46fc6914f7b7144bb2c23d (diff)
parentf212bd95a9f62b7929c59b16e1d3bbde2fb4081d (diff)
downloadlinux-851328feb8c1d4130d3a0acb004e474168702d6d.tar.xz
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid
Pull HID updates from Jiri Kosina: "to receive patches queued for 4.3 merge window in HID tree. Highlights: - a lot of improvements (regarding supported features and devices) to Wacom driver, from Aaron Skomra and Jason Gerecke - a lot of functional fixes and support for large I2C transfer to cp2112 driver, from Ellen Wang - HW support improvements to RMI driver, from Andrew Duggan - quite some small fixes and device ID additions all over the place" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid: (44 commits) HID: wacom: wacom_setup_numbered_buttons is local to wacom_wac HID: wacom: Add support for Express Key Remote. HID: wacom: Set button bits based on a new numbered_buttons HID: quirks: add QUIRK_NOGET for an other TPV touchscreen HID: usbhid: Fix the check for HID_RESET_PENDING in hid_io_error HID: i2c-hid: Only disable irq wake if it was successfully enabled during suspend HID: wacom: Use tablet-provided touch height/width values for INTUOSHT HID: gembird: add new driver to fix Gembird JPD-DualForce 2 HID: lenovo: Hide middle-button press until release HID: lenovo: Add missing return-value check HID: lenovo: Use constants for axes names HID: wacom: Simplify 'wacom_pl_irq' HID: wacom: Do not repeatedly attempt to set device mode on error HID: wacom: Do not repeatedly attempt to set device mode on error HID: wacom: Remove WACOM_QUIRK_NO_INPUT HID: wacom: Replace WACOM_QUIRK_MONITOR with WACOM_DEVICETYPE_WL_MONITOR HID: wacom: Use calculated pkglen for wireless touch interface HID: sony: Fix DS4 controller reporting rate issues HID: chicony: Add support for Acer Aspire Switch 12 HID: hid-lg: Add USBID for Logitech G29 Wheel ...
Diffstat (limited to 'drivers/hid/hid-core.c')
-rw-r--r--drivers/hid/hid-core.c29
1 files changed, 26 insertions, 3 deletions
diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c
index e6fce23b121a..bcd914a63af2 100644
--- a/drivers/hid/hid-core.c
+++ b/drivers/hid/hid-core.c
@@ -427,6 +427,7 @@ static int hid_parser_local(struct hid_parser *parser, struct hid_item *item)
{
__u32 data;
unsigned n;
+ __u32 count;
data = item_udata(item);
@@ -490,6 +491,24 @@ static int hid_parser_local(struct hid_parser *parser, struct hid_item *item)
if (item->size <= 2)
data = (parser->global.usage_page << 16) + data;
+ count = data - parser->local.usage_minimum;
+ if (count + parser->local.usage_index >= HID_MAX_USAGES) {
+ /*
+ * We do not warn if the name is not set, we are
+ * actually pre-scanning the device.
+ */
+ if (dev_name(&parser->device->dev))
+ hid_warn(parser->device,
+ "ignoring exceeding usage max\n");
+ data = HID_MAX_USAGES - parser->local.usage_index +
+ parser->local.usage_minimum - 1;
+ if (data <= 0) {
+ hid_err(parser->device,
+ "no more usage index available\n");
+ return -1;
+ }
+ }
+
for (n = parser->local.usage_minimum; n <= data; n++)
if (hid_add_usage(parser, n)) {
dbg_hid("hid_add_usage failed\n");
@@ -705,8 +724,9 @@ static void hid_scan_collection(struct hid_parser *parser, unsigned type)
hid->group = HID_GROUP_SENSOR_HUB;
if (hid->vendor == USB_VENDOR_ID_MICROSOFT &&
- (hid->product == USB_DEVICE_ID_MS_TYPE_COVER_3 ||
- hid->product == USB_DEVICE_ID_MS_TYPE_COVER_3_JP ||
+ (hid->product == USB_DEVICE_ID_MS_TYPE_COVER_PRO_3 ||
+ hid->product == USB_DEVICE_ID_MS_TYPE_COVER_PRO_3_JP ||
+ hid->product == USB_DEVICE_ID_MS_TYPE_COVER_3 ||
hid->product == USB_DEVICE_ID_MS_POWER_COVER) &&
hid->group == HID_GROUP_MULTITOUCH)
hid->group = HID_GROUP_GENERIC;
@@ -1807,6 +1827,7 @@ static const struct hid_device_id hid_have_special_driver[] = {
{ HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_WIRELESS) },
{ HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_WIRELESS2) },
{ HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_AK1D) },
+ { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_ACER_SWITCH12) },
{ HID_USB_DEVICE(USB_VENDOR_ID_CREATIVELABS, USB_DEVICE_ID_PRODIKEYS_PCMIDI) },
{ HID_USB_DEVICE(USB_VENDOR_ID_CYGNAL, USB_DEVICE_ID_CYGNAL_CP2112) },
{ HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_1) },
@@ -1823,6 +1844,7 @@ static const struct hid_device_id hid_have_special_driver[] = {
{ HID_USB_DEVICE(USB_VENDOR_ID_EZKEY, USB_DEVICE_ID_BTC_8193) },
{ HID_USB_DEVICE(USB_VENDOR_ID_GAMERON, USB_DEVICE_ID_GAMERON_DUAL_PSX_ADAPTOR) },
{ HID_USB_DEVICE(USB_VENDOR_ID_GAMERON, USB_DEVICE_ID_GAMERON_DUAL_PCS_ADAPTOR) },
+ { HID_USB_DEVICE(USB_VENDOR_ID_GEMBIRD, USB_DEVICE_ID_GEMBIRD_JPD_DUALFORCE2) },
{ HID_USB_DEVICE(USB_VENDOR_ID_GREENASIA, 0x0003) },
{ HID_USB_DEVICE(USB_VENDOR_ID_GREENASIA, 0x0012) },
{ HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE) },
@@ -1905,8 +1927,9 @@ static const struct hid_device_id hid_have_special_driver[] = {
{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_DIGITAL_MEDIA_3K) },
{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_WIRELESS_OPTICAL_DESKTOP_3_0) },
{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_OFFICE_KB) },
+ { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_TYPE_COVER_PRO_3) },
+ { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_TYPE_COVER_PRO_3_JP) },
{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_TYPE_COVER_3) },
- { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_TYPE_COVER_3_JP) },
{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_POWER_COVER) },
{ HID_USB_DEVICE(USB_VENDOR_ID_MONTEREY, USB_DEVICE_ID_GENIUS_KB29E) },
{ HID_USB_DEVICE(USB_VENDOR_ID_MSI, USB_DEVICE_ID_MSI_GT683R_LED_PANEL) },