[alsa-devel] [Alsa-user] [PATCH] Asus Essence STX II

[Burak METİN]

When ı dmesg, it says:

[ 5418.913160] retire_playback_urb: 1673 callbacks suppressed
[ 5419.253436] cannot submit urb 0, error -28: not enough bandwidth
[ 5419.254887] cannot submit urb 0, error -28: not enough bandwidth



On Mon, Aug 4, 2014 at 2:43 PM, Burak METİN <metinburak at gmail.com> wrote:

> Hi,
>
> I have 2 CM6571 usb sound cards.
>
> In Ubuntu, i want to use these 2 cardds simultaneously. I open 2
> terminals, and arecord -D plughw:1,0 | aplay -D plughw:1,0 in one terminal,
> it works well. but when i type arecord -D plughw:2,0 | aplay -D plughw:2,0
> in another terminal, in second terminal, it says
>
> Recording WAVE 'stdin' : Unsigned 8 bit, Rate 8000 Hz, Mono
> arecord: xrun:1552: Playing WAVE 'stdin' : read/write error, state =
> PREPAREDUnsigned 8 bit,
> Rate 8000 Hz, Mono
> aplay: set_params:1297: Unable to install hw params:
> ACCESS:  RW_INTERLEAVED
> FORMAT:  U8
> SUBFORMAT:  STD
> SAMPLE_BITS: 8
> FRAME_BITS: 8
> CHANNELS: 1
> RATE: 8000
> PERIOD_TIME: 125000
> PERIOD_SIZE: 1000
> PERIOD_BYTES: 1000
> PERIODS: 4
> BUFFER_TIME: 500000
> BUFFER_SIZE: 4000
> BUFFER_BYTES: 4000
> TICK_TIME: 0
>
> I think it is about the usb driver in alsa, any ideas?
>
>
> On Mon, Aug 4, 2014 at 2:28 PM, Takashi Iwai <tiwai at suse.de> wrote:
>
>> At Sun, 03 Aug 2014 03:45:44 +0200,
>> corubba wrote:
>> >
>> > Today I got my new sound card, a Asus Essence STX II. After plugin it in
>> > and booting my Linux machine, the card was recognized by lspci as audio
>> > controller, but not listed by alsa as soundcard. Information on support
>> > for this new card under linux are hard to find. Due to the hardware
>> > similarities between STX and STX II, I tried to modify the existing STX
>> > driver in order to work for the STX II too. And it seems to work quiet
>> > well: I have sound, can change the volumes, switch between
>> > speaker/headphone/frontpanel, enable the mic boost etc. I don't have the
>> > H6 childboard for surround sound, so I can't test that. I tested my
>> > patch [1] with a 3.15.8 kernel under Arch Linux.
>> >
>> > Just wanted to share this information for others to get it quickly
>> > working, or maybe even include it after a review from the devs.
>> >
>> >
>> > [1] http://pastebin.com/GaGguPvt
>>
>> If the device works as expected by just this addition, I find no
>> problem in the patch.  Please submit in the formal way as described in
>> Documentation/SubmittingPatches.
>>
>>
>> thanks,
>>
>> Takashi
>>
>>
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>
>