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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 10a2c0866459..8ed66fd1ea87 100644
--- a/drivers/hid/hid-core.c
+++ b/drivers/hid/hid-core.c
@@ -779,6 +779,14 @@ static int hid_scan_report(struct hid_device *hid)
(hid->group == HID_GROUP_MULTITOUCH))
hid->group = HID_GROUP_MULTITOUCH_WIN_8;
+ /*
+ * Vendor specific handlings
+ */
+ if ((hid->vendor == USB_VENDOR_ID_SYNAPTICS) &&
+ (hid->group == HID_GROUP_GENERIC))
+ /* hid-rmi should take care of them, not hid-generic */
+ hid->group = HID_GROUP_RMI;
+
vfree(parser);
return 0;
}
@@ -842,7 +850,17 @@ struct hid_report *hid_validate_values(struct hid_device *hid,
* ->numbered being checked, which may not always be the case when
* drivers go to access report values.
*/
- report = hid->report_enum[type].report_id_hash[id];
+ if (id == 0) {
+ /*
+ * Validating on id 0 means we should examine the first
+ * report in the list.
+ */
+ report = list_entry(
+ hid->report_enum[type].report_list.next,
+ struct hid_report, list);
+ } else {
+ report = hid->report_enum[type].report_id_hash[id];
+ }
if (!report) {
hid_err(hid, "missing %s %u\n", hid_report_names[type], id);
return NULL;
@@ -1253,7 +1271,8 @@ EXPORT_SYMBOL_GPL(hid_output_report);
static int hid_report_len(struct hid_report *report)
{
- return ((report->size - 1) >> 3) + 1 + (report->id > 0) + 7;
+ /* equivalent to DIV_ROUND_UP(report->size, 8) + !!(report->id > 0) */
+ return ((report->size - 1) >> 3) + 1 + (report->id > 0);
}
/*
@@ -1266,7 +1285,7 @@ u8 *hid_alloc_report_buf(struct hid_report *report, gfp_t flags)
* of implement() working on 8 byte chunks
*/
- int len = hid_report_len(report);
+ int len = hid_report_len(report) + 7;
return kmalloc(len, flags);
}
@@ -1867,7 +1886,11 @@ static const struct hid_device_id hid_have_special_driver[] = {
{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_RYOS_MK_PRO) },
{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_SAVU) },
#endif
+#if IS_ENABLED(CONFIG_HID_SAITEK)
{ HID_USB_DEVICE(USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_PS1000) },
+ { HID_USB_DEVICE(USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_RAT7) },
+ { HID_USB_DEVICE(USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_MMO7) },
+#endif
{ HID_USB_DEVICE(USB_VENDOR_ID_SAMSUNG, USB_DEVICE_ID_SAMSUNG_IR_REMOTE) },
{ HID_USB_DEVICE(USB_VENDOR_ID_SAMSUNG, USB_DEVICE_ID_SAMSUNG_WIRELESS_KBD_MOUSE) },
{ HID_USB_DEVICE(USB_VENDOR_ID_SKYCABLE, USB_DEVICE_ID_SKYCABLE_WIRELESS_PRESENTER) },