xref: /openbmc/linux/sound/pci/au88x0/au88x0_mixer.c (revision 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2)
1*1da177e4SLinus Torvalds /*
2*1da177e4SLinus Torvalds  * Vortex Mixer support.
3*1da177e4SLinus Torvalds  *
4*1da177e4SLinus Torvalds  * There is much more than just the AC97 mixer...
5*1da177e4SLinus Torvalds  *
6*1da177e4SLinus Torvalds  */
7*1da177e4SLinus Torvalds 
8*1da177e4SLinus Torvalds #include <sound/driver.h>
9*1da177e4SLinus Torvalds #include <linux/time.h>
10*1da177e4SLinus Torvalds #include <linux/init.h>
11*1da177e4SLinus Torvalds #include <sound/core.h>
12*1da177e4SLinus Torvalds #include "au88x0.h"
13*1da177e4SLinus Torvalds 
14*1da177e4SLinus Torvalds static int __devinit snd_vortex_mixer(vortex_t * vortex)
15*1da177e4SLinus Torvalds {
16*1da177e4SLinus Torvalds 	ac97_bus_t *pbus;
17*1da177e4SLinus Torvalds 	ac97_template_t ac97;
18*1da177e4SLinus Torvalds 	int err;
19*1da177e4SLinus Torvalds 	static ac97_bus_ops_t ops = {
20*1da177e4SLinus Torvalds 		.write = vortex_codec_write,
21*1da177e4SLinus Torvalds 		.read = vortex_codec_read,
22*1da177e4SLinus Torvalds 	};
23*1da177e4SLinus Torvalds 
24*1da177e4SLinus Torvalds 	if ((err = snd_ac97_bus(vortex->card, 0, &ops, NULL, &pbus)) < 0)
25*1da177e4SLinus Torvalds 		return err;
26*1da177e4SLinus Torvalds 	memset(&ac97, 0, sizeof(ac97));
27*1da177e4SLinus Torvalds 	// Intialize AC97 codec stuff.
28*1da177e4SLinus Torvalds 	ac97.private_data = vortex;
29*1da177e4SLinus Torvalds 	ac97.scaps = AC97_SCAP_NO_SPDIF;
30*1da177e4SLinus Torvalds 	err = snd_ac97_mixer(pbus, &ac97, &vortex->codec);
31*1da177e4SLinus Torvalds 	vortex->isquad = ((vortex->codec == NULL) ?  0 : (vortex->codec->ext_id&0x80));
32*1da177e4SLinus Torvalds 	return err;
33*1da177e4SLinus Torvalds }
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