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Every card I've seen has had their channels swapped with respect 

to the mixer. Ie:
 $ mixerctl -w outputs.master=0,191
Would result in the _right_ speaker being turned off.

So, we will swap the left and right mixer channels to compensate
for this.
This commit is contained in:
jmcneill 2002-01-13 15:07:28 +00:00
parent ef2920350e
commit e52f30dc7a
1 changed files with 13 additions and 1 deletions
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14
sys/dev/pci/esa.c
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@ -1,4 +1,4 @@
/* $NetBSD: esa.c,v 1.5 2002/01/13 14:44:15 jmcneill Exp $ */
/* $NetBSD: esa.c,v 1.6 2002/01/13 15:07:28 jmcneill Exp $ */
/*
* Copyright (c) 2001, 2002 Jared D. McNeill <jmcneill@invisible.yi.org>
@ -971,6 +971,18 @@ esa_attach(struct device *parent, struct device *self, void *aux)
return;
}
/*
* Every card I've seen has had their channels swapped with respect
* to the mixer. Ie:
* $ mixerctl -w outputs.master=0,191
* Would result in the _right_ speaker being turned off.
*
* So, we will swap the left and right mixer channels to compensate
* for this.
*/
sc->codec_flags |= AC97_HOST_SWAPPED_CHANNELS;
sc->codec_flags |= AC97_HOST_DONT_READ;
/* Attach AC97 host interface */
sc->host_if.arg = self;
sc->host_if.attach = esa_attach_codec;