[PATCH] ALSA: usb-audio: Add TASCAM US122 MKII playback

[PATCH] ALSA: usb-audio: Add TASCAM US122 MKII playback

[Oto Petřík]

Added quirk to provide at least playback-only support.

Signed-off-by: Oto Petrik <oto.petrik@gmail.com>
---
 sound/usb/quirks-table.h |   46 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 46 insertions(+)

diff --git a/sound/usb/quirks-table.h b/sound/usb/quirks-table.h
index 79780fa..eb03541 100644
--- a/sound/usb/quirks-table.h
+++ b/sound/usb/quirks-table.h
@@ -2780,6 +2780,52 @@ YAMAHA_DEVICE(0x7010, "UB99"),

 	}
 },
+{
+	/* Tascam US122 MKII - playback-only support */
+	.match_flags = USB_DEVICE_ID_MATCH_DEVICE,
+	.idVendor = 0x0644,
+	.idProduct = 0x8021,
+	.bInterfaceClass = USB_CLASS_AUDIO,
+	.driver_info = (unsigned long) &(const struct snd_usb_audio_quirk) {
+		.vendor_name = "TASCAM",
+		.product_name = "US122 MKII",
+		.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) {
+					.formats = SNDRV_PCM_FMTBIT_S24_3LE,
+					.channels = 2,
+					.iface = 1,
+					.altsetting = 1,
+					.altset_idx = 1,
+					.attributes = UAC_EP_CS_ATTR_SAMPLE_RATE,
+					.endpoint = 0x02,
+					.ep_attr = USB_ENDPOINT_XFER_ISOC,
+					.rates = SNDRV_PCM_RATE_44100 |
+						 SNDRV_PCM_RATE_48000 |
+						 SNDRV_PCM_RATE_88200 |
+						 SNDRV_PCM_RATE_96000,
+					.rate_min = 44100,
+					.rate_max = 96000,
+					.nr_rates = 4,
+					.rate_table = (unsigned int[]) {
+						44100, 48000, 88200, 96000
+					}
+				}
+			},
+			{
+				.ifnum = -1
+			}
+		}
+	}
+},

 {
 	/*
-- 
1.7.10.4

Re: [PATCH] ALSA: usb-audio: Add TASCAM US122 MKII playback

[Takashi Iwai]

At Mon, 24 Sep 2012 14:25:04 +0200,
Oto Petřík wrote:
> 
> Added quirk to provide at least playback-only support.
> 
> Signed-off-by: Oto Petrik <oto.petrik@gmail.com>

Applied now.  Thanks.


Takashi

> ---
>  sound/usb/quirks-table.h |   46 ++++++++++++++++++++++++++++++++++++++++++++++
>  1 file changed, 46 insertions(+)
> 
> diff --git a/sound/usb/quirks-table.h b/sound/usb/quirks-table.h
> index 79780fa..eb03541 100644
> --- a/sound/usb/quirks-table.h
> +++ b/sound/usb/quirks-table.h
> @@ -2780,6 +2780,52 @@ YAMAHA_DEVICE(0x7010, "UB99"),
> 
>  	}
>  },
> +{
> +	/* Tascam US122 MKII - playback-only support */
> +	.match_flags = USB_DEVICE_ID_MATCH_DEVICE,
> +	.idVendor = 0x0644,
> +	.idProduct = 0x8021,
> +	.bInterfaceClass = USB_CLASS_AUDIO,
> +	.driver_info = (unsigned long) &(const struct snd_usb_audio_quirk) {
> +		.vendor_name = "TASCAM",
> +		.product_name = "US122 MKII",
> +		.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) {
> +					.formats = SNDRV_PCM_FMTBIT_S24_3LE,
> +					.channels = 2,
> +					.iface = 1,
> +					.altsetting = 1,
> +					.altset_idx = 1,
> +					.attributes = UAC_EP_CS_ATTR_SAMPLE_RATE,
> +					.endpoint = 0x02,
> +					.ep_attr = USB_ENDPOINT_XFER_ISOC,
> +					.rates = SNDRV_PCM_RATE_44100 |
> +						 SNDRV_PCM_RATE_48000 |
> +						 SNDRV_PCM_RATE_88200 |
> +						 SNDRV_PCM_RATE_96000,
> +					.rate_min = 44100,
> +					.rate_max = 96000,
> +					.nr_rates = 4,
> +					.rate_table = (unsigned int[]) {
> +						44100, 48000, 88200, 96000
> +					}
> +				}
> +			},
> +			{
> +				.ifnum = -1
> +			}
> +		}
> +	}
> +},
> 
>  {
>  	/*
> -- 
> 1.7.10.4
> _______________________________________________
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> 
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Re: [PATCH] ALSA: usb-audio: Add TASCAM US122 MKII playback

[Cyril Hrubis]

Hi!
> Applied now.  Thanks.

I'm testing this patch now. Generally it works, but it sometimes
produces metallic-like high pitch sound almost as jingle bells for a
few seconds, the sound is still recognizable but distorted. Any idea
what could cause this?

-- 
Cyril Hrubis