Re: [PATCH] HID: quirks: Add no_init_reports for AKAI midi controller

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On Wed, 27 Jan 2016, Stafford Horne wrote:

> The midi controller times-out while initializing reports, this
> causes boot to take an extra 10 seconds. The device descriptor
> advertises that it has an internal HID device but seems to not
> actually do anything useful.
> 
> Signed-off-by: Stafford Horne <shorne@xxxxxxxxx>
> ---
>  drivers/hid/hid-ids.h           | 3 +++
>  drivers/hid/usbhid/hid-quirks.c | 1 +
>  2 files changed, 4 insertions(+)
> 
> diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
> index b6ff6e7..3dfb166 100644
> --- a/drivers/hid/hid-ids.h
> +++ b/drivers/hid/hid-ids.h
> @@ -61,6 +61,9 @@
>  #define USB_VENDOR_ID_AIREN		0x1a2c
>  #define USB_DEVICE_ID_AIREN_SLIMPLUS	0x0002
>  
> +#define USB_VENDOR_ID_AKAI              0x2011
> +#define USB_DEVICE_ID_AKAI_MPKMINI2     0x0715
> +
>  #define USB_VENDOR_ID_ALCOR		0x058f
>  #define USB_DEVICE_ID_ALCOR_USBRS232	0x9720
>  
> diff --git a/drivers/hid/usbhid/hid-quirks.c b/drivers/hid/usbhid/hid-quirks.c
> index 7dd0953..055e740 100644
> --- a/drivers/hid/usbhid/hid-quirks.c
> +++ b/drivers/hid/usbhid/hid-quirks.c
> @@ -55,6 +55,7 @@ static const struct hid_blacklist {
>  	{ USB_VENDOR_ID_TOUCHPACK, USB_DEVICE_ID_TOUCHPACK_RTS, HID_QUIRK_MULTI_INPUT },
>  
>  	{ USB_VENDOR_ID_AIREN, USB_DEVICE_ID_AIREN_SLIMPLUS, HID_QUIRK_NOGET },
> +	{ USB_VENDOR_ID_AKAI, USB_DEVICE_ID_AKAI_MPKMINI2, HID_QUIRK_NO_INIT_REPORTS },

If the (proclaimed) HID device is completely silent, wouldn't 
HID_QUIRK_IGNORE be more appropriate?

-- 
Jiri Kosina
SUSE Labs

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