diff options
| -rw-r--r-- | drivers/hid/usbhid/hid-quirks.c | 36 | ||||
| -rw-r--r-- | include/linux/hid.h | 1 |
2 files changed, 37 insertions, 0 deletions
diff --git a/drivers/hid/usbhid/hid-quirks.c b/drivers/hid/usbhid/hid-quirks.c index 68b38fdb1203..30f63e9f93a3 100644 --- a/drivers/hid/usbhid/hid-quirks.c +++ b/drivers/hid/usbhid/hid-quirks.c @@ -341,6 +341,9 @@ #define USB_VENDOR_ID_SAITEK 0x06a3 #define USB_DEVICE_ID_SAITEK_RUMBLEPAD 0xff17 +#define USB_VENDOR_ID_SAMSUNG 0x0419 +#define USB_DEVICE_ID_SAMSUNG_IR_REMOTE 0x0001 + #define USB_VENDOR_ID_SONY 0x054c #define USB_DEVICE_ID_SONY_PS3_CONTROLLER 0x0268 @@ -673,6 +676,8 @@ static const struct hid_rdesc_blacklist { { USB_VENDOR_ID_PETALYNX, USB_DEVICE_ID_PETALYNX_MAXTER_REMOTE, HID_QUIRK_RDESC_PETALYNX }, + { USB_VENDOR_ID_SAMSUNG, USB_DEVICE_ID_SAMSUNG_IR_REMOTE, HID_QUIRK_RDESC_SAMSUNG_REMOTE }, + { USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_1, HID_QUIRK_RDESC_SWAPPED_MIN_MAX }, { USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_2, HID_QUIRK_RDESC_SWAPPED_MIN_MAX }, @@ -947,6 +952,33 @@ static void usbhid_fixup_logitech_descriptor(unsigned char *rdesc, int rsize) } } +/* + * Samsung IrDA remote controller (reports as Cypress USB Mouse). + * + * Vendor specific report #4 has a size of 48 bit, + * and therefore is not accepted when inspecting the descriptors. + * As a workaround we reinterpret the report as: + * Variable type, count 6, size 8 bit, log. maximum 255 + * The burden to reconstruct the data is moved into user space. + */ +static void usbhid_fixup_samsung_irda_descriptor(unsigned char *rdesc, + int rsize) +{ + if (rsize >= 182 && rdesc[175] == 0x25 + && rdesc[176] == 0x40 + && rdesc[177] == 0x75 + && rdesc[178] == 0x30 + && rdesc[179] == 0x95 + && rdesc[180] == 0x01 + && rdesc[182] == 0x40) { + printk(KERN_INFO "Fixing up Samsung IrDA report descriptor\n"); + rdesc[176] = 0xff; + rdesc[178] = 0x08; + rdesc[180] = 0x06; + rdesc[182] = 0x42; + } +} + /* Petalynx Maxter Remote has maximum for consumer page set too low */ static void usbhid_fixup_petalynx_descriptor(unsigned char *rdesc, int rsize) { @@ -1026,6 +1058,10 @@ static void __usbhid_fixup_report_descriptor(__u32 quirks, char *rdesc, unsigned if (quirks & HID_QUIRK_RDESC_BUTTON_CONSUMER) usbhid_fixup_button_consumer_descriptor(rdesc, rsize); + + if (quirks & HID_QUIRK_RDESC_SAMSUNG_REMOTE) + usbhid_fixup_samsung_irda_descriptor(rdesc, rsize); + } /** diff --git a/include/linux/hid.h b/include/linux/hid.h index 6a70b788ee9c..3902690647b0 100644 --- a/include/linux/hid.h +++ b/include/linux/hid.h @@ -295,6 +295,7 @@ struct hid_item { #define HID_QUIRK_RDESC_PETALYNX 0x00000008 #define HID_QUIRK_RDESC_MACBOOK_JIS 0x00000010 #define HID_QUIRK_RDESC_BUTTON_CONSUMER 0x00000020 +#define HID_QUIRK_RDESC_SAMSUNG_REMOTE 0x00000040 /* * This is the global environment of the parser. This information is |