#define DRIVER_DESC "HID core driver"
#define DRIVER_LICENSE "GPL"
-#ifdef CONFIG_HID_DEBUG
int hid_debug = 0;
module_param_named(debug, hid_debug, int, 0600);
-MODULE_PARM_DESC(debug, "HID debugging (0=off, 1=probing info, 2=continuous data dumping)");
+MODULE_PARM_DESC(debug, "toggle HID debugging messages");
EXPORT_SYMBOL_GPL(hid_debug);
-#endif
/*
* Register a new report for a device.
struct hid_driver *hdrv = hid->driver;
int ret;
- hid_dump_input(usage, value);
+ hid_dump_input(hid, usage, value);
if (hdrv && hdrv->event && hid_match_usage(hid, usage)) {
ret = hdrv->event(hid, field, usage, value);
{
unsigned size = field->report_size;
- hid_dump_input(field->usage + offset, value);
+ hid_dump_input(field->report->device, field->usage + offset, value);
if (offset >= field->report_count) {
dbg_hid("offset (%d) exceeds report_count (%d)\n", offset, field->report_count);
- hid_dump_field(field, 8);
return -1;
}
if (field->logical_minimum < 0) {
struct hid_report_enum *report_enum;
struct hid_driver *hdrv;
struct hid_report *report;
+ char *buf;
unsigned int i;
int ret;
return -1;
}
- dbg_hid("report (size %u) (%snumbered)\n", size, report_enum->numbered ? "" : "un");
+ buf = kmalloc(sizeof(char) * HID_DEBUG_BUFSIZE,
+ interrupt ? GFP_ATOMIC : GFP_KERNEL);
+
+ if (!buf) {
+ report = hid_get_report(report_enum, data);
+ goto nomem;
+ }
+
+ snprintf(buf, HID_DEBUG_BUFSIZE - 1,
+ "\nreport (size %u) (%snumbered)\n", size, report_enum->numbered ? "" : "un");
+ hid_debug_event(hid, buf);
report = hid_get_report(report_enum, data);
- if (!report)
+ if (!report) {
+ kfree(buf);
return -1;
+ }
/* dump the report */
- dbg_hid("report %d (size %u) = ", report->id, size);
- for (i = 0; i < size; i++)
- dbg_hid_line(" %02x", data[i]);
- dbg_hid_line("\n");
+ snprintf(buf, HID_DEBUG_BUFSIZE - 1,
+ "report %d (size %u) = ", report->id, size);
+ hid_debug_event(hid, buf);
+ for (i = 0; i < size; i++) {
+ snprintf(buf, HID_DEBUG_BUFSIZE - 1,
+ " %02x", data[i]);
+ hid_debug_event(hid, buf);
+ }
+ hid_debug_event(hid, "\n");
+ kfree(buf);
+
+nomem:
if (hdrv && hdrv->raw_event && hid_match_report(hid, report)) {
ret = hdrv->raw_event(hid, report, data, size);
if (ret != 0)
{ HID_USB_DEVICE(USB_VENDOR_ID_ZEROPLUS, 0x0005) },
{ HID_USB_DEVICE(USB_VENDOR_ID_ZEROPLUS, 0x0030) },
- { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, 0x030c) },
{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_BT) },
{ }
};
if (!ret)
hdev->status |= HID_STAT_ADDED;
+ hid_debug_register(hdev, dev_name(&hdev->dev));
+
return ret;
}
EXPORT_SYMBOL_GPL(hid_add_device);
for (i = 0; i < HID_REPORT_TYPES; i++)
INIT_LIST_HEAD(&hdev->report_enum[i].report_list);
+ init_waitqueue_head(&hdev->debug_wait);
+ INIT_LIST_HEAD(&hdev->debug_list);
+
return hdev;
err:
put_device(&hdev->dev);
{
if (hdev->status & HID_STAT_ADDED) {
device_del(&hdev->dev);
+ hid_debug_unregister(hdev);
hdev->status &= ~HID_STAT_ADDED;
}
}
{
int ret;
+ if (hid_debug)
+ printk(KERN_WARNING "HID: hid_debug is now used solely for parser and driver debugging.\n"
+ "HID: debugfs is now used for inspecting the device (report descriptor, reports)\n");
+
ret = bus_register(&hid_bus_type);
if (ret) {
printk(KERN_ERR "HID: can't register hid bus\n");
if (ret)
goto err_bus;
+ hid_debug_init();
+
return 0;
err_bus:
bus_unregister(&hid_bus_type);
static void __exit hid_exit(void)
{
+ hid_debug_exit();
hidraw_exit();
bus_unregister(&hid_bus_type);
}