From mboxrd@z Thu Jan  1 00:00:00 1970
From: Clemens Ladisch <clemens@ladisch.de>
Subject: Re: On mixer controls naming
Date: Mon, 13 Jan 2014 12:12:40 +0100
Message-ID: <52D3CA28.3070500@ladisch.de>
References: <CAM6_cxyGVC+Tzt=6AM=LXn2Eqt48AK4JMSJkfbR07pPgPwBtcA@mail.gmail.com>
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To: "R. Lemos" <rslemos@gmail.com>, alsa-devel@alsa-project.org
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R. Lemos wrote:
> The other control I've named "Tone Control - Bass", as indicated in
> writing-an-alsa-driver.pdf. But alsamixer shows it under both
> "Playback" and "Capture" views.
>
> How can I restrict this latter control to just playback?

For a control to be classified as a playback control, its name must
have one of the suffixes " Playback Enum", " Playback Switch",
" Playback Route", or " Playback Volume".


Regards,
Clemens