summaryrefslogtreecommitdiffstats
path: root/drivers/hid
diff options
context:
space:
mode:
authorJiri Kosina <jkosina@suse.cz>2015-09-01 15:23:13 +0200
committerJiri Kosina <jkosina@suse.cz>2015-09-01 15:23:13 +0200
commit3e097d1271ecdff2f251a54ddfc5eaa1f9821e96 (patch)
treed84a437e8ed4c3e71521c739952ba96fd02b3781 /drivers/hid
parent0be017120b80f0fe3da9a8239f989a27e54828f2 (diff)
parentc9b57724b38d4c1555ee49418be3d76801e3327c (diff)
downloadlinux-3e097d1271ecdff2f251a54ddfc5eaa1f9821e96.tar.bz2
Merge branches 'for-4.2/upstream-fixes-devm-fixed' and 'for-4.3/upstream' into for-linus
Diffstat (limited to 'drivers/hid')
-rw-r--r--drivers/hid/hid-core.c19
-rw-r--r--drivers/hid/hid-ids.h3
-rw-r--r--drivers/hid/hid-input.c5
-rw-r--r--drivers/hid/usbhid/hid-core.c5
-rw-r--r--drivers/hid/usbhid/hid-quirks.c3
-rw-r--r--drivers/hid/wacom_sys.c11
6 files changed, 34 insertions, 12 deletions
diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c
index 157c62775053..b403fe2c5cbe 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");
diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
index b04b0820d816..0de3284a3e24 100644
--- a/drivers/hid/hid-ids.h
+++ b/drivers/hid/hid-ids.h
@@ -922,7 +922,8 @@
#define USB_DEVICE_ID_TOUCHPACK_RTS 0x1688
#define USB_VENDOR_ID_TPV 0x25aa
-#define USB_DEVICE_ID_TPV_OPTICAL_TOUCHSCREEN 0x8883
+#define USB_DEVICE_ID_TPV_OPTICAL_TOUCHSCREEN_8882 0x8882
+#define USB_DEVICE_ID_TPV_OPTICAL_TOUCHSCREEN_8883 0x8883
#define USB_VENDOR_ID_TURBOX 0x062a
#define USB_DEVICE_ID_TURBOX_KEYBOARD 0x0201
diff --git a/drivers/hid/hid-input.c b/drivers/hid/hid-input.c
index e3c63640df73..53aeaf6252c7 100644
--- a/drivers/hid/hid-input.c
+++ b/drivers/hid/hid-input.c
@@ -1166,8 +1166,11 @@ void hidinput_hid_event(struct hid_device *hid, struct hid_field *field, struct
input_event(input, usage->type, usage->code, value);
- if ((field->flags & HID_MAIN_ITEM_RELATIVE) && (usage->type == EV_KEY))
+ if ((field->flags & HID_MAIN_ITEM_RELATIVE) &&
+ usage->type == EV_KEY && value) {
+ input_sync(input);
input_event(input, usage->type, usage->code, 0);
+ }
}
void hidinput_report_event(struct hid_device *hid, struct hid_report *report)
diff --git a/drivers/hid/usbhid/hid-core.c b/drivers/hid/usbhid/hid-core.c
index bfbe1bedda7f..36712e9f56c2 100644
--- a/drivers/hid/usbhid/hid-core.c
+++ b/drivers/hid/usbhid/hid-core.c
@@ -164,7 +164,7 @@ static void hid_io_error(struct hid_device *hid)
if (time_after(jiffies, usbhid->stop_retry)) {
/* Retries failed, so do a port reset unless we lack bandwidth*/
- if (test_bit(HID_NO_BANDWIDTH, &usbhid->iofl)
+ if (!test_bit(HID_NO_BANDWIDTH, &usbhid->iofl)
&& !test_and_set_bit(HID_RESET_PENDING, &usbhid->iofl)) {
schedule_work(&usbhid->reset_work);
@@ -710,7 +710,8 @@ int usbhid_open(struct hid_device *hid)
* Wait 50 msec for the queue to empty before allowing events
* to go through hid.
*/
- msleep(50);
+ if (res == 0 && !(hid->quirks & HID_QUIRK_ALWAYS_POLL))
+ msleep(50);
clear_bit(HID_RESUME_RUNNING, &usbhid->iofl);
}
done:
diff --git a/drivers/hid/usbhid/hid-quirks.c b/drivers/hid/usbhid/hid-quirks.c
index 20f9a653444c..965432e413c6 100644
--- a/drivers/hid/usbhid/hid-quirks.c
+++ b/drivers/hid/usbhid/hid-quirks.c
@@ -117,7 +117,8 @@ static const struct hid_blacklist {
{ USB_VENDOR_ID_SUN, USB_DEVICE_ID_RARITAN_KVM_DONGLE, HID_QUIRK_NOGET },
{ USB_VENDOR_ID_SYMBOL, USB_DEVICE_ID_SYMBOL_SCANNER_1, HID_QUIRK_NOGET },
{ USB_VENDOR_ID_SYMBOL, USB_DEVICE_ID_SYMBOL_SCANNER_2, HID_QUIRK_NOGET },
- { USB_VENDOR_ID_TPV, USB_DEVICE_ID_TPV_OPTICAL_TOUCHSCREEN, HID_QUIRK_NOGET },
+ { USB_VENDOR_ID_TPV, USB_DEVICE_ID_TPV_OPTICAL_TOUCHSCREEN_8882, HID_QUIRK_NOGET },
+ { USB_VENDOR_ID_TPV, USB_DEVICE_ID_TPV_OPTICAL_TOUCHSCREEN_8883, HID_QUIRK_NOGET },
{ USB_VENDOR_ID_TURBOX, USB_DEVICE_ID_TURBOX_KEYBOARD, HID_QUIRK_NOGET },
{ USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_KNA5, HID_QUIRK_MULTI_INPUT },
{ USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_TWA60, HID_QUIRK_MULTI_INPUT },
diff --git a/drivers/hid/wacom_sys.c b/drivers/hid/wacom_sys.c
index 01b937e63cf3..5cdb04472023 100644
--- a/drivers/hid/wacom_sys.c
+++ b/drivers/hid/wacom_sys.c
@@ -335,7 +335,7 @@ static int wacom_set_device_mode(struct hid_device *hdev, int report_id,
if (error >= 0)
error = wacom_get_report(hdev, HID_FEATURE_REPORT,
rep_data, length, 1);
- } while ((error < 0 || rep_data[1] != mode) && limit++ < WAC_MSG_RETRIES);
+ } while (error >= 0 && rep_data[1] != mode && limit++ < WAC_MSG_RETRIES);
kfree(rep_data);
@@ -1149,12 +1149,9 @@ static void wacom_free_inputs(struct wacom *wacom)
{
struct wacom_wac *wacom_wac = &(wacom->wacom_wac);
- if (wacom_wac->pen_input)
- input_free_device(wacom_wac->pen_input);
- if (wacom_wac->touch_input)
- input_free_device(wacom_wac->touch_input);
- if (wacom_wac->pad_input)
- input_free_device(wacom_wac->pad_input);
+ input_free_device(wacom_wac->pen_input);
+ input_free_device(wacom_wac->touch_input);
+ input_free_device(wacom_wac->pad_input);
wacom_wac->pen_input = NULL;
wacom_wac->touch_input = NULL;
wacom_wac->pad_input = NULL;