[alsa-devel] [PATCH] ALSA: usb-audio: define another USB ID for a buggy USB MIDI cable

Tarek Soliman tarek at bashasoliman.com
Wed Apr 6 04:35:12 CEST 2011


On Mon, Apr 04, 2011 at 09:23:53AM -0500, Tarek Soliman wrote:
> There are many USB MIDI cables out there that have buggy
> firmware that reports it can do more than 4 bytes in a
> packet when they can only properly handle 4
> 
> This patch adds the ID of yet another one of those cables
> 
> Signed-off-by: Tarek Soliman <tarek at bashasoliman.com>
> ---
>  sound/usb/midi.c |    1 +
>  1 files changed, 1 insertions(+), 0 deletions(-)
> 
> diff --git a/sound/usb/midi.c b/sound/usb/midi.c
> index b4b39c0..f928910 100644
> --- a/sound/usb/midi.c
> +++ b/sound/usb/midi.c
> @@ -1301,6 +1301,7 @@ static int snd_usbmidi_out_endpoint_create(struct snd_usb_midi* umidi,
>  	case USB_ID(0x15ca, 0x0101): /* Textech USB Midi Cable */
>  	case USB_ID(0x15ca, 0x1806): /* Textech USB Midi Cable */
>  	case USB_ID(0x1a86, 0x752d): /* QinHeng CH345 "USB2.0-MIDI" */
> +	case USB_ID(0xfc08, 0x0101): /* Unknown vendor Cable */
>  		ep->max_transfer = 4;
>  		break;
>  		/*
> -- 
> 1.7.4.1
> 
> As instructed, I updated the insertion point of the new entry such
> that the entries are sorted.

Hi,

Is there anything else required for this to be merged?
I am very new to this.
-- 
Tarek


More information about the Alsa-devel mailing list