[alsa-devel] quirks patch for new T+A USB DAC

[Udo Eberhardt]

Got it. Thanks for the tip. Will follow the rules next time.

Udo

On 05.02.2019 17:20, Takashi Iwai wrote:
> On Tue, 05 Feb 2019 17:18:56 +0100,
> Udo Eberhardt wrote:
>> Here it is:
>>
>> Signed-off-by: Udo Eberhardt <udo.eberhardt at thesycon.de>
> Thanks.
>
>> I'm not familiar with your conventions, sorry for any inconvenience.
> The general rule for submitting a kernel patch is well described in
> Documentation/process/submitting-patches.rst.
>
>
> Takashi
>
>> Thanks
>> Udo
>>
>> On 05.02.2019 17:13, Takashi Iwai wrote:
>>> On Tue, 05 Feb 2019 17:08:51 +0100,
>>> Udo Eberhardt wrote:
>>>> Hi all,
>>>>
>>>> This is a patch for sound/usb/quirks.c which enables DSD support for a
>>>> new T+A DAC for which we have developed the USB firmware. Here is a
>>>> patch description:
>>>>
>>>> This patch adds the T+A VID to the generic check in order to enable
>>>> native DSD support for T+A devices. This works with the new T+A USB
>>>> DAC model SD3100HV and will also work with future devices which
>>>> support the XMOS/Thesycon style DSD format.
>>>>
>>>>
>>>> I hope you can apply this patch. Let me know if you need more info.
>>> Could you give your sign-off (Signed-off-by: xxx line) at least?
>>> This is mandatory for merging to the upstream.  I should have
>>> mentioned that in the previous conversation...
>>>
>>>
>>> thanks,
>>>
>>> Takashi
>>>
>>>> Thank you,
>>>> Udo
>>>>
>>>> diff --git a/sound/usb/quirks.c b/sound/usb/quirks.c
>>>> index ef67d19117c4..f372c624bbf4 100644
>>>> --- a/sound/usb/quirks.c
>>>> +++ b/sound/usb/quirks.c
>>>> @@ -1553,6 +1553,7 @@ u64 snd_usb_interface_dsd_format_quirks(struct snd_usb_audio *chip,
>>>>    	case 0x20b1:  /* XMOS based devices */
>>>>    	case 0x152a:  /* Thesycon devices */
>>>>    	case 0x25ce:  /* Mytek devices */
>>>> +	case 0x2ab6:  /* T+A devices */
>>>>    		if (fp->dsd_raw)
>>>>    			return SNDRV_PCM_FMTBIT_DSD_U32_BE;
>>>>    		break;
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