X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=drivers%2Fhid%2Fhid-sony.c;h=86e563b8d6447a81fd924a1e45f9cdb37ebac48f;hb=8b805ef617cf0e02f6d18b891f8deb6246421b01;hp=3af8095a7de19639a1018bf3817118d28501081a;hpb=0a9b86381c76e9d33a9b6edb66aef32d7a3306e3;p=linux-2.6-omap-h63xx.git

diff --git a/drivers/hid/hid-sony.c b/drivers/hid/hid-sony.c
index 3af8095a7de..86e563b8d64 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)