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-rw-r--r--drivers/hid/hid-sony.c44
1 files changed, 43 insertions, 1 deletions
diff --git a/drivers/hid/hid-sony.c b/drivers/hid/hid-sony.c
index 3af8095a7de1..86e563b8d644 100644
--- a/drivers/hid/hid-sony.c
+++ b/drivers/hid/hid-sony.c
@@ -4,9 +4,9 @@
* Copyright (c) 1999 Andreas Gal
* Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz>
* Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc
- * Copyright (c) 2006-2007 Jiri Kosina
* Copyright (c) 2007 Paul Walmsley
* Copyright (c) 2008 Jiri Slaby
+ * Copyright (c) 2006-2008 Jiri Kosina
*/
/*
@@ -23,6 +23,26 @@
#include "hid-ids.h"
+#define VAIO_RDESC_CONSTANT 0x0001
+
+struct sony_sc {
+ unsigned long quirks;
+};
+
+/* Sony Vaio VGX has wrongly mouse pointer declared as constant */
+static void sony_report_fixup(struct hid_device *hdev, __u8 *rdesc,
+ unsigned int rsize)
+{
+ struct sony_sc *sc = hid_get_drvdata(hdev);
+
+ if ((sc->quirks & VAIO_RDESC_CONSTANT) &&
+ rsize >= 56 && rdesc[54] == 0x81 && rdesc[55] == 0x07) {
+ dev_info(&hdev->dev, "Fixing up Sony Vaio VGX report "
+ "descriptor\n");
+ rdesc[55] = 0x06;
+ }
+}
+
/*
* Sending HID_REQ_GET_REPORT changes the operation mode of the ps3 controller
* to "operational". Without this, the ps3 controller will not report any
@@ -56,6 +76,17 @@ static int sony_set_operational(struct hid_device *hdev)
static int sony_probe(struct hid_device *hdev, const struct hid_device_id *id)
{
int ret;
+ unsigned long quirks = id->driver_data;
+ struct sony_sc *sc;
+
+ sc = kzalloc(sizeof(*sc), GFP_KERNEL);
+ if (sc == NULL) {
+ dev_err(&hdev->dev, "can't alloc apple descriptor\n");
+ return -ENOMEM;
+ }
+
+ sc->quirks = quirks;
+ hid_set_drvdata(hdev, sc);
ret = hid_parse(hdev);
if (ret) {
@@ -78,11 +109,20 @@ static int sony_probe(struct hid_device *hdev, const struct hid_device_id *id)
err_stop:
hid_hw_stop(hdev);
err_free:
+ kfree(sc);
return ret;
}
+static void sony_remove(struct hid_device *hdev)
+{
+ hid_hw_stop(hdev);
+ kfree(hid_get_drvdata(hdev));
+}
+
static const struct hid_device_id sony_devices[] = {
{ HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER) },
+ { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_VAIO_VGX_MOUSE),
+ .driver_data = VAIO_RDESC_CONSTANT },
{ }
};
MODULE_DEVICE_TABLE(hid, sony_devices);
@@ -91,6 +131,8 @@ static struct hid_driver sony_driver = {
.name = "sony",
.id_table = sony_devices,
.probe = sony_probe,
+ .remove = sony_remove,
+ .report_fixup = sony_report_fixup,
};
static int sony_init(void)
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