From: Clemens Ladisch <clemens@ladisch.de>
To: Andy Ng <andreas2025@gmail.com>, alsa-devel@alsa-project.org
Subject: Re: Alsa triggering methods
Date: Thu, 07 May 2015 15:38:19 +0200 [thread overview]
Message-ID: <554B6ACB.30505@ladisch.de> (raw)
In-Reply-To: <CAAVaN8wvo4Aq_ij1K_Nt2Jnc6qO8XDsd5X2hvsFKSAzQhbts2A@mail.gmail.com>
Andy Ng wrote:
> I am working on a ALSA card driver that handles a DSP instance. The
> problem I have is that the triggering mechanism in ALSA to start a PCM
> has the interrupts disabled, and my dsp framework is actually
> acknowledging the start trigger with an event after 50 microseconds
> time that I can't handle because the IRQs are disabled.
Why must you handle the ACK interrupt from inside the trigger?
Regards,
Clemens
prev parent reply other threads:[~2015-05-07 13:38 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-04-29 15:24 Alsa triggering methods Andy Ng
2015-05-06 11:05 ` Vinod Koul
2015-05-07 13:38 ` Clemens Ladisch [this message]
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