1 /* 2 * Vortex Mixer support. 3 * 4 * There is much more than just the AC97 mixer... 5 * 6 */ 7 8 #include <sound/driver.h> 9 #include <linux/time.h> 10 #include <linux/init.h> 11 #include <sound/core.h> 12 #include "au88x0.h" 13 14 static int __devinit snd_vortex_mixer(vortex_t * vortex) 15 { 16 struct snd_ac97_bus *pbus; 17 struct snd_ac97_template ac97; 18 int err; 19 static struct snd_ac97_bus_ops ops = { 20 .write = vortex_codec_write, 21 .read = vortex_codec_read, 22 }; 23 24 if ((err = snd_ac97_bus(vortex->card, 0, &ops, NULL, &pbus)) < 0) 25 return err; 26 memset(&ac97, 0, sizeof(ac97)); 27 // Intialize AC97 codec stuff. 28 ac97.private_data = vortex; 29 ac97.scaps = AC97_SCAP_NO_SPDIF; 30 err = snd_ac97_mixer(pbus, &ac97, &vortex->codec); 31 vortex->isquad = ((vortex->codec == NULL) ? 0 : (vortex->codec->ext_id&0x80)); 32 return err; 33 } 34