linux-kernel - Re: [SOUND] SBx00 sound card using snd_hda_codec

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Message-ID: <4d553fa1.23968e0a.09ce.3034@mx.google.com>
Date:	Fri, 11 Feb 2011 21:54:11 +0800
From:	Wang Lei <f3d27b@...il.com>
To:	Takashi Iwai <tiwai@...e.de>
Cc:	linux-kernel@...r.kernel.org, Jaroslav Kysela <perex@...ex.cz>
Subject: Re: [SOUND] SBx00 sound card using snd_hda_codec_analog auto mutes

Takashi Iwai <tiwai@...e.de> writes:

>
> It's not about the mixer operation.  Check whether the interrupts of
> the audio driver (in your case irq 16) increase during PCM playback.
>
>
> Takashi

Oh, yes.

--------------------
 16:        776     277135   IO-APIC-fasteoi   ahci, hda_intel
--------------------

When I play a music, the interrupts increase(the upper line). Even when
the sound is mute.
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