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From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: Ondrej Zary <linux@rainbow-software.org>
Cc: gregkh@suse.de, linux-usb@vger.kernel.org,
	"linux-kernel" <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] [RFC] ark3116: add IrDA support (for Gembird UIR-22)
Date: Mon, 27 Jul 2009 11:15:15 +0100	[thread overview]
Message-ID: <20090727111515.7d5f359f@lxorguk.ukuu.org.uk> (raw)
In-Reply-To: <200907261419.50702.linux@rainbow-software.org>

> The next step was usbsnoop to find what windows driver does with the device.
> The result is the patch below. Now the device works after plugging and running
> "irattach /dev/ttyUSB0 -s".
> 
> But how to make it appear as a real IrDA device by itself? Another problem is
> mixing IrDA with USB serial driver. Is a separate driver (something like
> ark3116-irda) needed?

For standard devices using serial/tty then irattach is the right way to
do it. Nothing else should be needed.

> +	irda = le16_to_cpu(serial->dev->descriptor.idProduct) == 0x3118;
> +	if (irda)
> +		dbg("IrDA mode");
> +

I would split this out into

static int is_irda(serial) { }

just so that anyone who needs to add more irda adapters can find it
easily and do so neatly.

Alan

  reply	other threads:[~2009-07-27 10:14 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-07-26 12:19 [PATCH] [RFC] ark3116: add IrDA support (for Gembird UIR-22) Ondrej Zary
2009-07-27 10:15 ` Alan Cox [this message]
2009-08-01 20:36   ` Ondrej Zary

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