From: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
To: alsa-devel@alsa-project.org
Subject: Re: HDA driver without interrupt
Date: Wed, 02 May 2012 14:28:15 -0500 [thread overview]
Message-ID: <4FA18ACF.7020106@linux.intel.com> (raw)
In-Reply-To: <4FA12E91.8050804@gmail.com>
On 5/2/2012 7:54 AM, liufc wrote:
> Hi guys,I'm trying to implement an alsa driver based on the Intel HDA
> driver.However due to some hardware defects,I'm not able to use
> interrupt.So I wonder whether there is a way to do the job without the
> help of interrupt.Can anyone give me a suggestion?
What interrupt are you talking about? ALSA has the ability to discard
periodic interrupts but the user-space code needs to explicitly request
this mode (eg PulseAudio/AudioHAL). Regular/legacy apps do need an
interrupt coming from the hardware.
-Pierre
next prev parent reply other threads:[~2012-05-02 19:28 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-05-02 12:54 HDA driver without interrupt liufc
2012-05-02 19:28 ` Pierre-Louis Bossart [this message]
2012-05-03 6:13 ` Clemens Ladisch
[not found] ` <CAOAAS1z7iA2excEt9cE45CBmQs=XUkigW6+A94zyp2BuRLBBcA@mail.gmail.com>
2012-05-03 8:37 ` Clemens Ladisch
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=4FA18ACF.7020106@linux.intel.com \
--to=pierre-louis.bossart@linux.intel.com \
--cc=alsa-devel@alsa-project.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.