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    SubjectRe: [patch] snd-pcsp: silent misleading warning
    At Sat, 17 May 2008 19:50:42 +0400,
    Stas Sergeev wrote:
    >
    > Hello.
    >
    > Roberto Oppedisano wrote:
    > > I noticed that when I run
    > > aplay -D plughw:2,0 /usr/share/sounds/KDE_Logout.wav
    > > I get a flood of:
    > > [ 417.338143] PCSP: playback_ptr inconsistent (4642 4661 18645)
    > It turns out that the buffer size you
    > get, is not evenly devided by period size.
    > 18645 % 4661 = 1.
    > That (wrongly) triggers the warning.
    > This may very well be an alsa bug, or
    > may not, but the code in the driver is
    > handling that properly, so there is no
    > need for such a verbose warning.

    The right fix would be to add a hw_constraint to align the buffer
    size. The simplest way is to add the following in PCM open callback.

    snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS);


    Takashi


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