[PATCH] ALSA: usbaudio Mbox support, output only

[PATCH] ALSA: usbaudio Mbox support, output only

[Chris J Arges]

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This minimal patch has been tested on my laptop and currently output
only works. This patch is based off of code that Clemens Ladisch posted
on the alsa-devel mailing list way back in 2004.

--chris j arges

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>From d079f1d7298d06597fa7d4c3c4aa8979864342ac Mon Sep 17 00:00:00 2001
From: Chris J Arges <christopherarges@gmail.com>
Date: Wed, 17 Feb 2010 12:12:52 -0600
Subject: [PATCH] ALSA: usbaudio Mbox support, output only

Signed-off-by: Chris J Arges <christopherarges@gmail.com>

---
 sound/usb/usbquirks.h |   45 +++++++++++++++++++++++++++++++++++++++++++++
 1 files changed, 45 insertions(+), 0 deletions(-)

diff --git a/sound/usb/usbquirks.h b/sound/usb/usbquirks.h
index e691eba..14552d2 100644
--- a/sound/usb/usbquirks.h
+++ b/sound/usb/usbquirks.h
@@ -2215,6 +2215,51 @@ YAMAHA_DEVICE(0x7010, "UB99"),
 	}
 },
 
+/* Digidesign Mbox */
+{
+	/* Thanks to Clemens Ladisch <clemens@ladisch.de> */
+	USB_DEVICE(0x0dba, 0x1000),
+	.driver_info = (unsigned long) &(const struct snd_usb_audio_quirk) {
+		.vendor_name = "Digidesign",
+		.product_name = "MBox",
+		.ifnum = QUIRK_ANY_INTERFACE,
+		.type = QUIRK_COMPOSITE,
+		.data = (const struct snd_usb_audio_quirk[]){
+			{
+				.ifnum = 0,
+				.type = QUIRK_IGNORE_INTERFACE,
+			},
+			{
+				.ifnum = 1,
+				.type = QUIRK_AUDIO_FIXED_ENDPOINT,
+				.data = &(const struct audioformat) {
+					.format = SNDRV_PCM_FORMAT_S24_3BE,
+					.channels = 2,
+					.iface = 1,
+					.altsetting = 1,
+					.altset_idx = 1,
+					.attributes = EP_CS_ATTR_SAMPLE_RATE,
+					.endpoint = 0x02,
+					.ep_attr = 0x01,
+					.maxpacksize = 0x130,
+					.rates = SNDRV_PCM_RATE_44100 |
+						 SNDRV_PCM_RATE_48000,
+					.rate_min = 44100,
+					.rate_max = 48000,
+					.nr_rates = 2,
+					.rate_table = (unsigned int[]) {
+						44100, 48000
+					}
+				}
+			},
+			{
+				.ifnum = -1
+			}
+		}
+
+	}
+},
+
 {
 	/*
 	 * Some USB MIDI devices don't have an audio control interface,
-- 
1.6.3.3


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Re: [PATCH] ALSA: usbaudio Mbox support, output only

[Takashi Iwai]

At Wed, 17 Feb 2010 12:26:15 -0600,
Chris J Arges wrote:
> 
> This minimal patch has been tested on my laptop and currently output
> only works. This patch is based off of code that Clemens Ladisch posted
> on the alsa-devel mailing list way back in 2004.

Applied now.  Thanks.


Takashi

> 
> --chris j arges
> [2 0001-ALSA-usbaudio-Mbox-support-output-only.patch <text/x-patch; UTF-8 (7bit)>]
> >From d079f1d7298d06597fa7d4c3c4aa8979864342ac Mon Sep 17 00:00:00 2001
> From: Chris J Arges <christopherarges@gmail.com>
> Date: Wed, 17 Feb 2010 12:12:52 -0600
> Subject: [PATCH] ALSA: usbaudio Mbox support, output only
> 
> Signed-off-by: Chris J Arges <christopherarges@gmail.com>
> 
> ---
>  sound/usb/usbquirks.h |   45 +++++++++++++++++++++++++++++++++++++++++++++
>  1 files changed, 45 insertions(+), 0 deletions(-)
> 
> diff --git a/sound/usb/usbquirks.h b/sound/usb/usbquirks.h
> index e691eba..14552d2 100644
> --- a/sound/usb/usbquirks.h
> +++ b/sound/usb/usbquirks.h
> @@ -2215,6 +2215,51 @@ YAMAHA_DEVICE(0x7010, "UB99"),
>  	}
>  },
>  
> +/* Digidesign Mbox */
> +{
> +	/* Thanks to Clemens Ladisch <clemens@ladisch.de> */
> +	USB_DEVICE(0x0dba, 0x1000),
> +	.driver_info = (unsigned long) &(const struct snd_usb_audio_quirk) {
> +		.vendor_name = "Digidesign",
> +		.product_name = "MBox",
> +		.ifnum = QUIRK_ANY_INTERFACE,
> +		.type = QUIRK_COMPOSITE,
> +		.data = (const struct snd_usb_audio_quirk[]){
> +			{
> +				.ifnum = 0,
> +				.type = QUIRK_IGNORE_INTERFACE,
> +			},
> +			{
> +				.ifnum = 1,
> +				.type = QUIRK_AUDIO_FIXED_ENDPOINT,
> +				.data = &(const struct audioformat) {
> +					.format = SNDRV_PCM_FORMAT_S24_3BE,
> +					.channels = 2,
> +					.iface = 1,
> +					.altsetting = 1,
> +					.altset_idx = 1,
> +					.attributes = EP_CS_ATTR_SAMPLE_RATE,
> +					.endpoint = 0x02,
> +					.ep_attr = 0x01,
> +					.maxpacksize = 0x130,
> +					.rates = SNDRV_PCM_RATE_44100 |
> +						 SNDRV_PCM_RATE_48000,
> +					.rate_min = 44100,
> +					.rate_max = 48000,
> +					.nr_rates = 2,
> +					.rate_table = (unsigned int[]) {
> +						44100, 48000
> +					}
> +				}
> +			},
> +			{
> +				.ifnum = -1
> +			}
> +		}
> +
> +	}
> +},
> +
>  {
>  	/*
>  	 * Some USB MIDI devices don't have an audio control interface,
> -- 
> 1.6.3.3
>