On 05/10/2014 06:53 AM, 野宮 賢 / NOMIYA Masaru wrote:
> In the Message;
>
> Subject : Re: Problem with TEAC USB UD-H01 and ALSA
> Message-ID : <536D9C74.9020202@xxxxxxxxxxxx>
> Date & Time: Fri, 09 May 2014 20:26:44 -0700
>
> Julien Benoist <julien@xxxxxxxxxxxx> has written:
>
>> On 05/09/2014 12:00 AM, Clemens Ladisch wrote:
>>> Rutger Noot wrote:
>>>> I heard that there is a patch solving the problem with the TEAC USB
>>>> UD-H01. Did that already make it to a stable kernel?
>>>
>>> Linus merged the patch yesterday; it should show up in the next
>>> stable kernel.
>
>> FYI, your patch also addresses some playback issues I have experienced
>> with another device - TEAC AI-501DA - which shares the same USB-ID.
>
> Unfortunately, still sounds distort with TEAC USB UD-501.
Please test the attached patch, on top of Linus' master git as of today.
Thanks,
Daniel
>From 1d8d7b48054de79bfbb8075d81d40f37842c7a33 Mon Sep 17 00:00:00 2001
From: Daniel Mack <zonque@xxxxxxxxx>
Date: Sat, 10 May 2014 19:15:37 +0200
Subject: [PATCH] ALSA: snd-usb: add quirk for TEAC USB UD-501
As reported, the TEAC USB UD-501 needs the same quirk as the UD-H01.
Signed-off-by: Daniel Mack <zonque@xxxxxxxxx>
Reported-by: Masaru Nomiya <nomiya@xxxxxxxxxxxxxxxx>
---
sound/usb/endpoint.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/sound/usb/endpoint.c b/sound/usb/endpoint.c
index 289f582..8066aa5 100644
--- a/sound/usb/endpoint.c
+++ b/sound/usb/endpoint.c
@@ -472,7 +472,8 @@ struct snd_usb_endpoint *snd_usb_add_endpoint(struct snd_usb_audio *chip,
ep->syncmaxsize = le16_to_cpu(get_endpoint(alts, 1)->wMaxPacketSize);
- if (chip->usb_id == USB_ID(0x0644, 0x8038) /* TEAC UD-H01 */ &&
+ if ((chip->usb_id == USB_ID(0x0644, 0x8038) || /* TEAC UD-HD501 */
+ chip->usb_id == USB_ID(0x0644, 0x8043)) && /* TEAC UD-H01 */
ep->syncmaxsize == 4)
ep->udh01_fb_quirk = 1;
}
--
1.9.0
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