[alsa-devel] [PATCH] ALSA: usb-audio: Add Gustard U16/X26 device family to quirks for native DSD support

[Takashi Iwai]

On Thu, 24 Oct 2019 04:47:44 +0200,
Fly Pig wrote:
> 
> Got it,
> 
> Tested using VID and fp->dsd_raw method. Works as well, patch updated below.
> Sign off line attached.
> 
> --- a/sound/usb/quirks.c 2019-10-23 05:38:05.664262661 +0000
> +++ b/sound/usb/quirks.c 2019-10-23 05:41:15.907336660 +0000
> @@ -1452,6 +1452,7 @@
>   case 0x2ab6:  /* T+A devices */
>   case 0x3842:  /* EVGA */
>   case 0xc502:  /* HiBy devices */
> + case 0x292b:  /* Gustard/Ess based devices */
>   if (fp->dsd_raw)
>   return SNDRV_PCM_FMTBIT_DSD_U32_BE;
>   break;
> 
> By making a contribution to this project, I certify that:
> 
>      1. The contribution was created in whole or in part by me and I have the
>         right to submit it under the open source license indicated in the
>         file; or
>      2. The contribution is based upon previous work that, to the best of my
>         knowledge, is covered under an appropriate open source license and I
>         have the right under that license to submit that work with
>         modifications, whether created in whole or in part by me, under the
>         same open source license (unless I am permitted to submit under a
>         different license), as indicated in the file; or
>      3. The contribution was provided directly to me by some other person who
>         certified (a), (b) or (c) and I have not modified it.
>      4. I understand and agree that this project and the contribution are
>         public and that a record of the contribution (including all personal
>         information I submit with it, including my sign-off) is maintained
>         indefinitely and may be redistributed consistent with this project or
>         the open source license(s) involved.
> 
> Signed-off-by: Justin Song<flyingecar at gmail.com>

OK, now I applied the fix with a slight modification of the patch
subject and changelog.

BTW, you don't need to copy the text above.  At the next time, just
put your sign-off line in the patch description.


thanks,

Takashi

> 
> On Tue, Oct 22, 2019 at 10:04 PM Takashi Iwai <tiwai at suse.de> wrote:
> 
>     On Wed, 23 Oct 2019 06:05:08 +0200,
>     Fly Pig wrote:
>     >
>     > Hi There
>     >
>     > This patch add native DSD support for Gustard U16/X26 USB Interface.
>     Tested on
>     > my unit, working properly. Hence submit the patch. 
>     >
>     > Cheers. 
>     >
>     > Thank you very much.
>     >
>     > Pig
>    
>     The upstream code changed the DSD detection recently, so your patch
>     doesn't apply.  In short, check whether you get fp->dsd_raw set.  If
>     yes, we can apply the vendor check instead of vendor:device pair
>     check.
>    
>     Please resubmit the patch with the correction, and don't forget to add
>     your sign-off line (see Documentation/process/submitting-patches.rst).
>     It's a legal requirement for taking the patch to upstream.
> 
>     thanks,
>    
>     Takashi
>    
>     >
>     > --- a/sound/usb/quirks.c 2019-09-22 21:28:09.757897000 +0000
>     > +++ b/sound/usb/quirks.c 2019-09-22 21:33:36.892274800 +0000
>     > @@ -1369,6 +1369,7 @@
>     >   case USB_ID(0x22d9, 0x0461): /* OPPO UDP-205 */
>     >   case USB_ID(0x2522, 0x0012): /* LH Labs VI DAC Infinity */
>     >   case USB_ID(0x2772, 0x0230): /* Pro-Ject Pre Box S2 Digital */
>     > +        case USB_ID(0x292b, 0xc4b3): /* Gustard U16 */
>     >   if (fp->altsetting == 2)
>     >   return SNDRV_PCM_FMTBIT_DSD_U32_BE;
>     >   break;
>     >
>     >
> 
>