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From: Takashi Iwai <tiwai@suse.de>
To: "Pikus, Fedor" <fedor_pikus@mentorg.com>
Cc: Clemens Ladisch <clemens@ladisch.de>, alsa-devel@lists.sourceforge.net
Subject: Re: USB Audio/Midiman - partial success
Date: Wed, 25 Sep 2002 12:46:16 +0200	[thread overview]
Message-ID: <s5hadm6ny87.wl@alsa2.suse.de> (raw)
In-Reply-To: <Pine.LNX.4.31.0209241952400.28299-100000@lorien.wv.mentorg.com>

At Tue, 24 Sep 2002 20:03:54 -0700 (PDT),
Fedor G. Pikus <fedorp@wv.mentorg.com> wrote:
> 
> > then the complete callback is called properly but likely
> > snd_pcm_period_elapsed() is not called.
> 
> That's right, it's not called:
> for (i = 0; i < urb->number_of_packets; i++) {
>         cp = (unsigned char *)urb->transfer_buffer + urb->iso_frame_desc[i].offset;
>         if (urb->iso_frame_desc[i].status) /* active? hmm, skip this */
>                 continue;

could you check what value is stored in the status field?
i guess some negative value, which represents an error.

and, how does the driver act if you skip this check?


ciao,

Takashi


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  parent reply	other threads:[~2002-09-25 10:46 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <Pine.LNX.4.31.0209220035210.4610-100000@lorien.wv.mentorg.com>
2002-09-23  9:12 ` USB Audio/Midiman - partial success Clemens Ladisch
     [not found]   ` <Pine.LNX.4.31.0209232104140.18815-100000@lorien.wv.mentorg.com>
2002-09-24 14:27     ` Takashi Iwai
     [not found]       ` <Pine.LNX.4.31.0209240835370.9799-100000@lorien.wv.mentorg.com>
2002-09-24 15:50         ` Takashi Iwai
     [not found]           ` <Pine.LNX.4.31.0209241952400.28299-100000@lorien.wv.mentorg.com>
2002-09-25 10:46             ` Takashi Iwai [this message]
     [not found] <Pine.LNX.4.31.0209252301320.29794-100000@lorien.wv.mentorg.com>
2002-09-26  7:47 ` Clemens Ladisch
2002-09-26 16:08   ` Takashi Iwai
     [not found]     ` <Pine.LNX.4.31.0209261234130.17593-100000@lorien.wv.mentorg.com>
2002-10-02 13:46       ` Takashi Iwai
     [not found]         ` <Pine.LNX.4.31.0210032253120.4068-100000@lorien.wv.mentorg.com>
2002-10-04 11:34           ` Takashi Iwai
     [not found] <Pine.LNX.4.31.0209191923430.30429-100000@lorien.wv.mentorg.com>
2002-09-20 10:04 ` Clemens Ladisch
     [not found] <Pine.LNX.4.31.0209172023540.4425-100000@lorien.wv.mentorg.com>
2002-09-18  9:25 ` Clemens Ladisch
     [not found] <Pine.LNX.4.31.0209160838270.10583-100000@lorien.wv.mentorg.com>
2002-09-17  7:29 ` Clemens Ladisch
     [not found] <Pine.LNX.4.31.0209132140320.13642-200000@lorien.wv.mentorg.com>
2002-09-16  7:05 ` Clemens Ladisch
     [not found] <Pine.LNX.4.31.0209090841350.25400-100000@lorien.wv.mentorg.com>
2002-09-09 17:46 ` Clemens Ladisch
2002-09-09 18:30   ` Takashi Iwai
2002-09-10  8:58     ` Clemens Ladisch
2002-09-10 13:10       ` Takashi Iwai
2002-09-10 13:41         ` Patrick Shirkey
2002-09-12 15:30       ` Takashi Iwai
2002-09-12 22:34         ` Patrick Shirkey
2002-09-13  5:59         ` Patrick Shirkey
2002-09-13 11:30           ` Takashi Iwai
2002-09-13 14:30             ` Patrick Shirkey
     [not found]         ` <Pine.LNX.4.31.0209122304430.1450-100000@lorien.wv.mentorg.com>
2002-09-13 11:33           ` Takashi Iwai

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