xref: /openbmc/linux/sound/pci/au88x0/au88x0_mixer.c (revision 22246614)
1 /*
2  * Vortex Mixer support.
3  *
4  * There is much more than just the AC97 mixer...
5  *
6  */
7 
8 #include <linux/time.h>
9 #include <linux/init.h>
10 #include <sound/core.h>
11 #include "au88x0.h"
12 
13 static int __devinit snd_vortex_mixer(vortex_t * vortex)
14 {
15 	struct snd_ac97_bus *pbus;
16 	struct snd_ac97_template ac97;
17 	int err;
18 	static struct snd_ac97_bus_ops ops = {
19 		.write = vortex_codec_write,
20 		.read = vortex_codec_read,
21 	};
22 
23 	if ((err = snd_ac97_bus(vortex->card, 0, &ops, NULL, &pbus)) < 0)
24 		return err;
25 	memset(&ac97, 0, sizeof(ac97));
26 	// Intialize AC97 codec stuff.
27 	ac97.private_data = vortex;
28 	ac97.scaps = AC97_SCAP_NO_SPDIF;
29 	err = snd_ac97_mixer(pbus, &ac97, &vortex->codec);
30 	vortex->isquad = ((vortex->codec == NULL) ?  0 : (vortex->codec->ext_id&0x80));
31 	return err;
32 }
33