On Fri, 30 Aug 2013, Dinesh Ram wrote:
> The Si4713 development board contains a Si4713 FM transmitter chip
> and is handled by the radio-usb-si4713 driver.
> The board reports itself as (10c4:8244) Cygnal Integrated Products, Inc.
> and misidentifies itself as a HID device in its USB interface descriptor.
> This patch ignores this device as an HID device and hence loads the custom
> driver.
>
> Signed-off-by: Dinesh Ram <din...@cisco.com>
>
> Cc: Jiri Kosina <jkos...@suse.cz>
> Cc: linux-in...@vger.kernel.org
> ---
> drivers/hid/hid-core.c | 1 +
> drivers/hid/hid-ids.h | 2 ++
> 2 files changed, 3 insertions(+)
>
> diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c
> index 36668d1..109510f 100644
> --- a/drivers/hid/hid-core.c
> +++ b/drivers/hid/hid-core.c
> @@ -1977,6 +1977,7 @@ static const struct hid_device_id hid_ignore_list[] = {
> { HID_USB_DEVICE(USB_VENDOR_ID_BERKSHIRE, USB_DEVICE_ID_BERKSHIRE_PCWD)
> },
> { HID_USB_DEVICE(USB_VENDOR_ID_CIDC, 0x0103) },
> { HID_USB_DEVICE(USB_VENDOR_ID_CYGNAL,
> USB_DEVICE_ID_CYGNAL_RADIO_SI470X) },
> + { HID_USB_DEVICE(USB_VENDOR_ID_CYGNAL,
> USB_DEVICE_ID_CYGNAL_RADIO_SI4713) },
> { HID_USB_DEVICE(USB_VENDOR_ID_CMEDIA, USB_DEVICE_ID_CM109) },
> { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_HIDCOM) },
> { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS,
> USB_DEVICE_ID_CYPRESS_ULTRAMOUSE) },
> diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
> index ffe4c7a..2a38726 100644
> --- a/drivers/hid/hid-ids.h
> +++ b/drivers/hid/hid-ids.h
> @@ -241,6 +241,8 @@
> #define USB_VENDOR_ID_CYGNAL 0x10c4
> #define USB_DEVICE_ID_CYGNAL_RADIO_SI470X 0x818a
>
> +#define USB_DEVICE_ID_CYGNAL_RADIO_SI4713 0x8244
> +
> #define USB_VENDOR_ID_CYPRESS 0x04b4
> #define USB_DEVICE_ID_CYPRESS_MOUSE 0x0001
> #define USB_DEVICE_ID_CYPRESS_HIDCOM 0x5500
Acked-by: Jiri Kosina <jkos...@suse.cz>
(under the assumption that this goes in together with the custom driver).
--
Jiri Kosina
SUSE Labs
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