Attachment 46790 Details for Bug 106050

[patch] patch to enable all keys of the Cymotion keyboard

kernel_cymotion.diff (text/plain), 1.92 KB, created by Forgotten User v5inq2MBSE on 2005-08-21 16:14:21 UTC

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Creator: Forgotten User v5inq2MBSE

Created: 2005-08-21 16:14:21 UTC

Size: 1.92 KB

patch

obsolete

>--- linux/drivers/usb/input/hid-input.c.orig	2005-07-23 02:41:06.000000000 +0200
>+++ linux/drivers/usb/input/hid-input.c	2005-08-18 20:36:52.000000000 +0200
>@@ -270,6 +270,16 @@
> 				case 0x227: map_key_clear(KEY_REFRESH);		break;
> 				case 0x22a: map_key_clear(KEY_BOOKMARKS);	break;
> 				case 0x238: map_rel(REL_HWHEEL);		break;
>+
>+				case 0x233: map_key_clear(KEY_SCROLLUP);	break;
>+				case 0x234: map_key_clear(KEY_SCROLLDOWN);	break;
>+
>+				case 0x301: map_key_clear(KEY_PROG1);		break;
>+				case 0x302: map_key_clear(KEY_PROG2);		break;
>+				case 0x303: map_key_clear(KEY_PROG3);		break;
>+
>+				case 0x279: map_key_clear(KEY_AGAIN);		break;
>+
> 				default:    goto unknown;
> 			}
> 			break;
>--- linux/drivers/usb/input/hid-core.c.orig	2005-07-23 02:41:06.000000000 +0200
>+++ linux/drivers/usb/input/hid-core.c	2005-08-18 20:21:29.000000000 +0200
>@@ -1246,10 +1246,14 @@
> 	return 0;
> }
> 
>+#define USB_VENDOR_ID_CHERRY		0x046a
>+#define USB_DEVICE_ID_CHERRY_CYMOTION	0x0023
>+
> static int hid_get_class_descriptor(struct usb_device *dev, int ifnum,
> 		unsigned char type, void *buf, int size)
> {
> 	int result, retries = 4;
>+	char *p = (char*)buf;
> 
> 	memset(buf,0,size);	// Make sure we parse really received data
> 
>@@ -1259,6 +1263,19 @@
> 				(type << 8), ifnum, buf, size, HZ * USB_CTRL_GET_TIMEOUT);
> 		retries--;
> 	} while (result < size && retries);
>+
>+	// wn_hack: patch wrong descriptor for this device
>+	// hardware sends wrong descriptor
>+	if (dev->descriptor.idVendor == USB_VENDOR_ID_CHERRY
>+		&& dev->descriptor.idProduct == USB_DEVICE_ID_CHERRY_CYMOTION
>+		&& size > 12
>+		&& p[11] == 0x3c
>+		&& p[12] == 0x02) {
>+		printk(KERN_DEBUG __FILE__ " : modifying descriptor for Cherry CyMotion keyboard \n");
>+		p[11] = p[16] = 0xff;
>+		p[12] = p[17] = 0x03;
>+	}
>+
> 	return result;
> }
> 
>@@ -1425,7 +1442,6 @@
> #define USB_VENDOR_ID_BTC		0x046e
> #define USB_DEVICE_ID_BTC_KEYBOARD	0x5303
> 
>-
> /*
>  * Alphabetically sorted blacklist by quirk type.
>  */

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Attachments on bug 106050: 46790 | 46791 | 57186