From mboxrd@z Thu Jan  1 00:00:00 1970
From: Clemens Ladisch <clemens@ladisch.de>
Subject: Re: how to update hw_ptr and appl_ptr
Date: Tue, 26 Jun 2012 11:34:49 +0200
Message-ID: <4FE98239.7050908@ladisch.de>
References: <DBBC59900F0EF340B9938F193FB1A3453605DBD2@SC-VEXCH4.marvell.com>
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To: Zhen Fu <fuzh@marvell.com>
Cc: "alsa-devel@alsa-project.org" <alsa-devel@alsa-project.org>
List-Id: alsa-devel@alsa-project.org

Zhen Fu wrote:
> I recently look the function snd_pcm_update_hw_ptr0 want to  find how
> to update status->hw_ptr and control->appl_ptr.

status->hw_ptr is updated by snd_pcm_update_hw_ptr0.  control->appl_ptr
is updated by snd_pcm_lib_write1.

Why are you asking?


Regards,
Clemens