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-rw-r--r--drivers/hid/Kconfig2
-rw-r--r--drivers/hid/i2c-hid/i2c-hid.c3
-rw-r--r--drivers/hid/uhid.c3
-rw-r--r--drivers/hid/usbhid/hid-core.c3
-rw-r--r--drivers/hid/wacom_sys.c63
-rw-r--r--include/linux/hid.h11
-rw-r--r--net/bluetooth/hidp/core.c3
7 files changed, 48 insertions, 40 deletions
diff --git a/drivers/hid/Kconfig b/drivers/hid/Kconfig
index 3cd60f460b61..0a3117cc29e7 100644
--- a/drivers/hid/Kconfig
+++ b/drivers/hid/Kconfig
@@ -924,7 +924,7 @@ config HID_UDRAW_PS3
config HID_WACOM
tristate "Wacom Intuos/Graphire tablet support (USB)"
- depends on HID
+ depends on USB_HID
select POWER_SUPPLY
select NEW_LEDS
select LEDS_CLASS
diff --git a/drivers/hid/i2c-hid/i2c-hid.c b/drivers/hid/i2c-hid/i2c-hid.c
index 046f692fd0a2..77396145d2d0 100644
--- a/drivers/hid/i2c-hid/i2c-hid.c
+++ b/drivers/hid/i2c-hid/i2c-hid.c
@@ -780,7 +780,7 @@ static int i2c_hid_power(struct hid_device *hid, int lvl)
return 0;
}
-static struct hid_ll_driver i2c_hid_ll_driver = {
+struct hid_ll_driver i2c_hid_ll_driver = {
.parse = i2c_hid_parse,
.start = i2c_hid_start,
.stop = i2c_hid_stop,
@@ -790,6 +790,7 @@ static struct hid_ll_driver i2c_hid_ll_driver = {
.output_report = i2c_hid_output_report,
.raw_request = i2c_hid_raw_request,
};
+EXPORT_SYMBOL_GPL(i2c_hid_ll_driver);
static int i2c_hid_init_irq(struct i2c_client *client)
{
diff --git a/drivers/hid/uhid.c b/drivers/hid/uhid.c
index 7f8ff39ed44b..6f819f144cb4 100644
--- a/drivers/hid/uhid.c
+++ b/drivers/hid/uhid.c
@@ -369,7 +369,7 @@ static int uhid_hid_output_report(struct hid_device *hid, __u8 *buf,
return uhid_hid_output_raw(hid, buf, count, HID_OUTPUT_REPORT);
}
-static struct hid_ll_driver uhid_hid_driver = {
+struct hid_ll_driver uhid_hid_driver = {
.start = uhid_hid_start,
.stop = uhid_hid_stop,
.open = uhid_hid_open,
@@ -378,6 +378,7 @@ static struct hid_ll_driver uhid_hid_driver = {
.raw_request = uhid_hid_raw_request,
.output_report = uhid_hid_output_report,
};
+EXPORT_SYMBOL_GPL(uhid_hid_driver);
#ifdef CONFIG_COMPAT
diff --git a/drivers/hid/usbhid/hid-core.c b/drivers/hid/usbhid/hid-core.c
index c008847e0b20..089bad8a9a21 100644
--- a/drivers/hid/usbhid/hid-core.c
+++ b/drivers/hid/usbhid/hid-core.c
@@ -1265,7 +1265,7 @@ static int usbhid_idle(struct hid_device *hid, int report, int idle,
return hid_set_idle(dev, ifnum, report, idle);
}
-static struct hid_ll_driver usb_hid_driver = {
+struct hid_ll_driver usb_hid_driver = {
.parse = usbhid_parse,
.start = usbhid_start,
.stop = usbhid_stop,
@@ -1278,6 +1278,7 @@ static struct hid_ll_driver usb_hid_driver = {
.output_report = usbhid_output_report,
.idle = usbhid_idle,
};
+EXPORT_SYMBOL_GPL(usb_hid_driver);
static int usbhid_probe(struct usb_interface *intf, const struct usb_device_id *id)
{
diff --git a/drivers/hid/wacom_sys.c b/drivers/hid/wacom_sys.c
index 838c1ebfffa9..e82a696a1d07 100644
--- a/drivers/hid/wacom_sys.c
+++ b/drivers/hid/wacom_sys.c
@@ -1671,10 +1671,7 @@ static ssize_t wacom_show_remote_mode(struct kobject *kobj,
u8 mode;
mode = wacom->led.groups[index].select;
- if (mode >= 0 && mode < 3)
- return snprintf(buf, PAGE_SIZE, "%d\n", mode);
- else
- return snprintf(buf, PAGE_SIZE, "%d\n", -1);
+ return sprintf(buf, "%d\n", mode < 3 ? mode : -1);
}
#define DEVICE_EKR_ATTR_GROUP(SET_ID) \
@@ -2028,41 +2025,37 @@ static void wacom_update_name(struct wacom *wacom, const char *suffix)
/* Generic devices name unspecified */
if ((features->type == HID_GENERIC) && !strcmp("Wacom HID", features->name)) {
- if (strstr(wacom->hdev->name, "Wacom") ||
- strstr(wacom->hdev->name, "wacom") ||
- strstr(wacom->hdev->name, "WACOM")) {
- /* name is in HID descriptor, use it */
- strlcpy(name, wacom->hdev->name, sizeof(name));
-
- /* strip out excess whitespaces */
- while (1) {
- char *gap = strstr(name, " ");
- if (gap == NULL)
- break;
- /* shift everything including the terminator */
- memmove(gap, gap+1, strlen(gap));
- }
+ char *product_name = wacom->hdev->name;
- /* strip off excessive prefixing */
- if (strstr(name, "Wacom Co.,Ltd. Wacom ") == name) {
- int n = strlen(name);
- int x = strlen("Wacom Co.,Ltd. ");
- memmove(name, name+x, n-x+1);
- }
- if (strstr(name, "Wacom Co., Ltd. Wacom ") == name) {
- int n = strlen(name);
- int x = strlen("Wacom Co., Ltd. ");
- memmove(name, name+x, n-x+1);
- }
+ if (hid_is_using_ll_driver(wacom->hdev, &usb_hid_driver)) {
+ struct usb_interface *intf = to_usb_interface(wacom->hdev->dev.parent);
+ struct usb_device *dev = interface_to_usbdev(intf);
+ product_name = dev->product;
+ }
- /* get rid of trailing whitespace */
- if (name[strlen(name)-1] == ' ')
- name[strlen(name)-1] = '\0';
+ if (wacom->hdev->bus == BUS_I2C) {
+ snprintf(name, sizeof(name), "%s %X",
+ features->name, wacom->hdev->product);
+ } else if (strstr(product_name, "Wacom") ||
+ strstr(product_name, "wacom") ||
+ strstr(product_name, "WACOM")) {
+ strlcpy(name, product_name, sizeof(name));
} else {
- /* no meaningful name retrieved. use product ID */
- snprintf(name, sizeof(name),
- "%s %X", features->name, wacom->hdev->product);
+ snprintf(name, sizeof(name), "Wacom %s", product_name);
}
+
+ /* strip out excess whitespaces */
+ while (1) {
+ char *gap = strstr(name, " ");
+ if (gap == NULL)
+ break;
+ /* shift everything including the terminator */
+ memmove(gap, gap+1, strlen(gap));
+ }
+
+ /* get rid of trailing whitespace */
+ if (name[strlen(name)-1] == ' ')
+ name[strlen(name)-1] = '\0';
} else {
strlcpy(name, features->name, sizeof(name));
}
diff --git a/include/linux/hid.h b/include/linux/hid.h
index 26759920aa8f..08ab9864d81e 100644
--- a/include/linux/hid.h
+++ b/include/linux/hid.h
@@ -780,6 +780,17 @@ struct hid_ll_driver {
int (*idle)(struct hid_device *hdev, int report, int idle, int reqtype);
};
+extern struct hid_ll_driver i2c_hid_ll_driver;
+extern struct hid_ll_driver hidp_hid_driver;
+extern struct hid_ll_driver uhid_hid_driver;
+extern struct hid_ll_driver usb_hid_driver;
+
+static inline bool hid_is_using_ll_driver(struct hid_device *hdev,
+ struct hid_ll_driver *driver)
+{
+ return hdev->ll_driver == driver;
+}
+
#define PM_HINT_FULLON 1<<5
#define PM_HINT_NORMAL 1<<1
diff --git a/net/bluetooth/hidp/core.c b/net/bluetooth/hidp/core.c
index 002743ea509c..8112893037bd 100644
--- a/net/bluetooth/hidp/core.c
+++ b/net/bluetooth/hidp/core.c
@@ -734,7 +734,7 @@ static void hidp_stop(struct hid_device *hid)
hid->claimed = 0;
}
-static struct hid_ll_driver hidp_hid_driver = {
+struct hid_ll_driver hidp_hid_driver = {
.parse = hidp_parse,
.start = hidp_start,
.stop = hidp_stop,
@@ -743,6 +743,7 @@ static struct hid_ll_driver hidp_hid_driver = {
.raw_request = hidp_raw_request,
.output_report = hidp_output_report,
};
+EXPORT_SYMBOL_GPL(hidp_hid_driver);
/* This function sets up the hid device. It does not add it
to the HID system. That is done in hidp_add_connection(). */
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.