ALSA: gus: Allocate resources with device-managed APIs
This patch converts the resource management in ISA gus drivers with devres as a clean up. Each manual resource management is converted with the corresponding devres helper. The remove callback became superfluous and dropped. This should give no user-visible functional changes. Link: https://lore.kernel.org/r/20210715075941.23332-66-tiwai@suse.de Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai
parent
35a245ec06
commit
5b88da3c80
@ -87,24 +87,10 @@ static void snd_gus_init_control(struct snd_gus_card *gus)
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static int snd_gus_free(struct snd_gus_card *gus)
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{
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if (gus->gf1.res_port2 == NULL)
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goto __hw_end;
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snd_gf1_stop(gus);
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snd_gus_init_dma_irq(gus, 0);
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__hw_end:
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release_and_free_resource(gus->gf1.res_port1);
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release_and_free_resource(gus->gf1.res_port2);
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if (gus->gf1.irq >= 0)
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free_irq(gus->gf1.irq, (void *) gus);
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if (gus->gf1.dma1 >= 0) {
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disable_dma(gus->gf1.dma1);
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free_dma(gus->gf1.dma1);
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if (gus->gf1.res_port2) {
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snd_gf1_stop(gus);
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snd_gus_init_dma_irq(gus, 0);
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}
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if (!gus->equal_dma && gus->gf1.dma2 >= 0) {
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disable_dma(gus->gf1.dma2);
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free_dma(gus->gf1.dma2);
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}
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kfree(gus);
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return 0;
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}
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@ -130,7 +116,7 @@ int snd_gus_create(struct snd_card *card,
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};
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*rgus = NULL;
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gus = kzalloc(sizeof(*gus), GFP_KERNEL);
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gus = devm_kzalloc(card->dev, sizeof(*gus), GFP_KERNEL);
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if (gus == NULL)
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return -ENOMEM;
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spin_lock_init(&gus->reg_lock);
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@ -156,35 +142,33 @@ int snd_gus_create(struct snd_card *card,
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gus->gf1.reg_timerctrl = GUSP(gus, TIMERCNTRL);
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gus->gf1.reg_timerdata = GUSP(gus, TIMERDATA);
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/* allocate resources */
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gus->gf1.res_port1 = request_region(port, 16, "GUS GF1 (Adlib/SB)");
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gus->gf1.res_port1 = devm_request_region(card->dev, port, 16,
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"GUS GF1 (Adlib/SB)");
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if (!gus->gf1.res_port1) {
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snd_printk(KERN_ERR "gus: can't grab SB port 0x%lx\n", port);
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snd_gus_free(gus);
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return -EBUSY;
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}
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gus->gf1.res_port2 = request_region(port + 0x100, 12, "GUS GF1 (Synth)");
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gus->gf1.res_port2 = devm_request_region(card->dev, port + 0x100, 12,
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"GUS GF1 (Synth)");
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if (!gus->gf1.res_port2) {
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snd_printk(KERN_ERR "gus: can't grab synth port 0x%lx\n", port + 0x100);
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snd_gus_free(gus);
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return -EBUSY;
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}
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if (irq >= 0 && request_irq(irq, snd_gus_interrupt, 0, "GUS GF1", (void *) gus)) {
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if (irq >= 0 && devm_request_irq(card->dev, irq, snd_gus_interrupt, 0,
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"GUS GF1", (void *) gus)) {
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snd_printk(KERN_ERR "gus: can't grab irq %d\n", irq);
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snd_gus_free(gus);
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return -EBUSY;
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}
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gus->gf1.irq = irq;
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card->sync_irq = irq;
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if (request_dma(dma1, "GUS - 1")) {
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if (snd_devm_request_dma(card->dev, dma1, "GUS - 1")) {
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snd_printk(KERN_ERR "gus: can't grab DMA1 %d\n", dma1);
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snd_gus_free(gus);
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return -EBUSY;
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}
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gus->gf1.dma1 = dma1;
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if (dma2 >= 0 && dma1 != dma2) {
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if (request_dma(dma2, "GUS - 2")) {
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if (snd_devm_request_dma(card->dev, dma2, "GUS - 2")) {
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snd_printk(KERN_ERR "gus: can't grab DMA2 %d\n", dma2);
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snd_gus_free(gus);
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return -EBUSY;
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}
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gus->gf1.dma2 = dma2;
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@ -209,10 +193,8 @@ int snd_gus_create(struct snd_card *card,
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gus->gf1.volume_ramp = 25;
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gus->gf1.smooth_pan = 1;
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err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, gus, &ops);
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if (err < 0) {
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snd_gus_free(gus);
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if (err < 0)
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return err;
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}
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*rgus = gus;
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return 0;
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}
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@ -135,7 +135,7 @@ static int snd_gusclassic_probe(struct device *dev, unsigned int n)
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struct snd_gus_card *gus;
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int error;
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error = snd_card_new(dev, index[n], id[n], THIS_MODULE, 0, &card);
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error = snd_devm_card_new(dev, index[n], id[n], THIS_MODULE, 0, &card);
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if (error < 0)
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return error;
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@ -144,37 +144,37 @@ static int snd_gusclassic_probe(struct device *dev, unsigned int n)
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error = snd_gusclassic_create(card, dev, n, &gus);
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if (error < 0)
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goto out;
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return error;
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error = snd_gusclassic_detect(gus);
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if (error < 0)
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goto out;
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return error;
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gus->joystick_dac = joystick_dac[n];
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error = snd_gus_initialize(gus);
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if (error < 0)
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goto out;
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return error;
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error = -ENODEV;
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if (gus->max_flag || gus->ess_flag) {
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dev_err(dev, "GUS Classic or ACE soundcard was "
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"not detected at 0x%lx\n", gus->gf1.port);
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goto out;
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return error;
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}
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error = snd_gf1_new_mixer(gus);
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if (error < 0)
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goto out;
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return error;
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error = snd_gf1_pcm_new(gus, 0, 0);
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if (error < 0)
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goto out;
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return error;
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if (!gus->ace_flag) {
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error = snd_gf1_rawmidi_new(gus, 0);
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if (error < 0)
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goto out;
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return error;
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}
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sprintf(card->longname + strlen(card->longname),
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@ -187,27 +187,17 @@ static int snd_gusclassic_probe(struct device *dev, unsigned int n)
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error = snd_card_register(card);
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if (error < 0)
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goto out;
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return error;
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dev_set_drvdata(dev, card);
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return 0;
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out: snd_card_free(card);
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return error;
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}
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static void snd_gusclassic_remove(struct device *dev, unsigned int n)
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{
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snd_card_free(dev_get_drvdata(dev));
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}
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static struct isa_driver snd_gusclassic_driver = {
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.match = snd_gusclassic_match,
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.probe = snd_gusclassic_probe,
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.remove = snd_gusclassic_remove,
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#if 0 /* FIXME */
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.suspend = snd_gusclassic_suspend,
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.remove = snd_gusclassic_remove,
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#endif
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.driver = {
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.name = DEV_NAME
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@ -228,8 +228,8 @@ static int snd_gusextreme_probe(struct device *dev, unsigned int n)
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struct snd_opl3 *opl3;
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int error;
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error = snd_card_new(dev, index[n], id[n], THIS_MODULE,
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sizeof(struct snd_es1688), &card);
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error = snd_devm_card_new(dev, index[n], id[n], THIS_MODULE,
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sizeof(struct snd_es1688), &card);
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if (error < 0)
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return error;
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@ -243,56 +243,56 @@ static int snd_gusextreme_probe(struct device *dev, unsigned int n)
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error = snd_gusextreme_es1688_create(card, es1688, dev, n);
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if (error < 0)
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goto out;
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return error;
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if (gf1_port[n] < 0)
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gf1_port[n] = es1688->port + 0x20;
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error = snd_gusextreme_gus_card_create(card, dev, n, &gus);
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if (error < 0)
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goto out;
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return error;
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error = snd_gusextreme_detect(gus, es1688);
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if (error < 0)
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goto out;
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return error;
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gus->joystick_dac = joystick_dac[n];
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error = snd_gus_initialize(gus);
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if (error < 0)
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goto out;
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return error;
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error = -ENODEV;
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if (!gus->ess_flag) {
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dev_err(dev, "GUS Extreme soundcard was not "
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"detected at 0x%lx\n", gus->gf1.port);
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goto out;
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return error;
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}
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gus->codec_flag = 1;
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error = snd_es1688_pcm(card, es1688, 0);
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if (error < 0)
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goto out;
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return error;
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error = snd_es1688_mixer(card, es1688);
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if (error < 0)
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goto out;
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return error;
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snd_component_add(card, "ES1688");
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if (pcm_channels[n] > 0) {
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error = snd_gf1_pcm_new(gus, 1, 1);
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if (error < 0)
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goto out;
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return error;
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}
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error = snd_gf1_new_mixer(gus);
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if (error < 0)
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goto out;
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return error;
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error = snd_gusextreme_mixer(card);
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if (error < 0)
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goto out;
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return error;
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if (snd_opl3_create(card, es1688->port, es1688->port + 2,
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OPL3_HW_OPL3, 0, &opl3) < 0)
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@ -300,14 +300,14 @@ static int snd_gusextreme_probe(struct device *dev, unsigned int n)
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else {
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error = snd_opl3_hwdep_new(opl3, 0, 2, NULL);
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if (error < 0)
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goto out;
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return error;
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}
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if (es1688->mpu_port >= 0x300) {
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error = snd_mpu401_uart_new(card, 0, MPU401_HW_ES1688,
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es1688->mpu_port, 0, mpu_irq[n], NULL);
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if (error < 0)
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goto out;
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return error;
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}
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sprintf(card->longname, "Gravis UltraSound Extreme at 0x%lx, "
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@ -316,24 +316,15 @@ static int snd_gusextreme_probe(struct device *dev, unsigned int n)
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error = snd_card_register(card);
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if (error < 0)
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goto out;
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return error;
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dev_set_drvdata(dev, card);
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return 0;
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out: snd_card_free(card);
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return error;
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}
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static void snd_gusextreme_remove(struct device *dev, unsigned int n)
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{
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snd_card_free(dev_get_drvdata(dev));
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}
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static struct isa_driver snd_gusextreme_driver = {
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.match = snd_gusextreme_match,
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.probe = snd_gusextreme_probe,
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.remove = snd_gusextreme_remove,
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#if 0 /* FIXME */
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.suspend = snd_gusextreme_suspend,
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.resume = snd_gusextreme_resume,
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@ -179,16 +179,6 @@ static int snd_gusmax_mixer(struct snd_wss *chip)
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return 0;
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}
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static void snd_gusmax_free(struct snd_card *card)
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{
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struct snd_gusmax *maxcard = card->private_data;
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if (maxcard == NULL)
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return;
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if (maxcard->irq >= 0)
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free_irq(maxcard->irq, (void *)maxcard);
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}
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static int snd_gusmax_match(struct device *pdev, unsigned int dev)
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{
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return enable[dev];
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@ -204,11 +194,10 @@ static int snd_gusmax_probe(struct device *pdev, unsigned int dev)
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struct snd_wss *wss;
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struct snd_gusmax *maxcard;
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err = snd_card_new(pdev, index[dev], id[dev], THIS_MODULE,
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sizeof(struct snd_gusmax), &card);
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err = snd_devm_card_new(pdev, index[dev], id[dev], THIS_MODULE,
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sizeof(struct snd_gusmax), &card);
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if (err < 0)
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return err;
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card->private_free = snd_gusmax_free;
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maxcard = card->private_data;
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maxcard->card = card;
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maxcard->irq = -1;
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@ -218,8 +207,7 @@ static int snd_gusmax_probe(struct device *pdev, unsigned int dev)
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xirq = snd_legacy_find_free_irq(possible_irqs);
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if (xirq < 0) {
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snd_printk(KERN_ERR PFX "unable to find a free IRQ\n");
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err = -EBUSY;
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goto _err;
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return -EBUSY;
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}
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}
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xdma1 = dma1[dev];
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@ -227,8 +215,7 @@ static int snd_gusmax_probe(struct device *pdev, unsigned int dev)
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xdma1 = snd_legacy_find_free_dma(possible_dmas);
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if (xdma1 < 0) {
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snd_printk(KERN_ERR PFX "unable to find a free DMA1\n");
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err = -EBUSY;
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goto _err;
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return -EBUSY;
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}
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}
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xdma2 = dma2[dev];
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@ -236,8 +223,7 @@ static int snd_gusmax_probe(struct device *pdev, unsigned int dev)
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xdma2 = snd_legacy_find_free_dma(possible_dmas);
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if (xdma2 < 0) {
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snd_printk(KERN_ERR PFX "unable to find a free DMA2\n");
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err = -EBUSY;
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goto _err;
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return -EBUSY;
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}
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}
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@ -267,29 +253,28 @@ static int snd_gusmax_probe(struct device *pdev, unsigned int dev)
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}
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}
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if (err < 0)
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goto _err;
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return err;
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err = snd_gusmax_detect(gus);
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if (err < 0)
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goto _err;
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return err;
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maxcard->gus_status_reg = gus->gf1.reg_irqstat;
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maxcard->pcm_status_reg = gus->gf1.port + 0x10c + 2;
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snd_gusmax_init(dev, card, gus);
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err = snd_gus_initialize(gus);
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if (err < 0)
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goto _err;
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return err;
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if (!gus->max_flag) {
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snd_printk(KERN_ERR PFX "GUS MAX soundcard was not detected at 0x%lx\n", gus->gf1.port);
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err = -ENODEV;
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goto _err;
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return -ENODEV;
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}
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if (request_irq(xirq, snd_gusmax_interrupt, 0, "GUS MAX", (void *)maxcard)) {
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if (devm_request_irq(card->dev, xirq, snd_gusmax_interrupt, 0,
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"GUS MAX", (void *)maxcard)) {
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snd_printk(KERN_ERR PFX "unable to grab IRQ %d\n", xirq);
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err = -EBUSY;
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goto _err;
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return -EBUSY;
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}
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maxcard->irq = xirq;
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card->sync_irq = maxcard->irq;
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@ -303,32 +288,32 @@ static int snd_gusmax_probe(struct device *pdev, unsigned int dev)
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WSS_HWSHARE_DMA2,
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&wss);
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if (err < 0)
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goto _err;
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return err;
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err = snd_wss_pcm(wss, 0);
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if (err < 0)
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goto _err;
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return err;
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err = snd_wss_mixer(wss);
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if (err < 0)
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goto _err;
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return err;
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err = snd_wss_timer(wss, 2);
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if (err < 0)
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goto _err;
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return err;
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if (pcm_channels[dev] > 0) {
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err = snd_gf1_pcm_new(gus, 1, 1);
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if (err < 0)
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goto _err;
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return err;
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}
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err = snd_gusmax_mixer(wss);
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if (err < 0)
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goto _err;
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return err;
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err = snd_gf1_rawmidi_new(gus, 0);
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if (err < 0)
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goto _err;
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return err;
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sprintf(card->longname + strlen(card->longname), " at 0x%lx, irq %i, dma %i", gus->gf1.port, xirq, xdma1);
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if (xdma2 >= 0)
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@ -336,22 +321,13 @@ static int snd_gusmax_probe(struct device *pdev, unsigned int dev)
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err = snd_card_register(card);
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if (err < 0)
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goto _err;
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return err;
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maxcard->gus = gus;
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maxcard->wss = wss;
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dev_set_drvdata(pdev, card);
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return 0;
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_err:
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snd_card_free(card);
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return err;
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}
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static void snd_gusmax_remove(struct device *devptr, unsigned int dev)
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{
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snd_card_free(dev_get_drvdata(devptr));
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||||
}
|
||||
|
||||
#define DEV_NAME "gusmax"
|
||||
@ -359,7 +335,6 @@ static void snd_gusmax_remove(struct device *devptr, unsigned int dev)
|
||||
static struct isa_driver snd_gusmax_driver = {
|
||||
.match = snd_gusmax_match,
|
||||
.probe = snd_gusmax_probe,
|
||||
.remove = snd_gusmax_remove,
|
||||
/* FIXME: suspend/resume */
|
||||
.driver = {
|
||||
.name = DEV_NAME
|
||||
|
||||
@ -204,13 +204,15 @@ static int snd_interwave_detect_stb(struct snd_interwave *iwcard,
|
||||
port = 0x360;
|
||||
}
|
||||
while (port <= 0x380) {
|
||||
iwcard->i2c_res = request_region(port, 1, "InterWave (I2C bus)");
|
||||
iwcard->i2c_res = devm_request_region(card->dev, port, 1,
|
||||
"InterWave (I2C bus)");
|
||||
if (iwcard->i2c_res)
|
||||
break;
|
||||
port += 0x10;
|
||||
}
|
||||
} else {
|
||||
iwcard->i2c_res = request_region(port, 1, "InterWave (I2C bus)");
|
||||
iwcard->i2c_res = devm_request_region(card->dev, port, 1,
|
||||
"InterWave (I2C bus)");
|
||||
}
|
||||
if (iwcard->i2c_res == NULL) {
|
||||
snd_printk(KERN_ERR "interwave: can't grab i2c bus port\n");
|
||||
@ -598,19 +600,6 @@ static int snd_interwave_pnp(int dev, struct snd_interwave *iwcard,
|
||||
}
|
||||
#endif /* CONFIG_PNP */
|
||||
|
||||
static void snd_interwave_free(struct snd_card *card)
|
||||
{
|
||||
struct snd_interwave *iwcard = card->private_data;
|
||||
|
||||
if (iwcard == NULL)
|
||||
return;
|
||||
#ifdef SNDRV_STB
|
||||
release_and_free_resource(iwcard->i2c_res);
|
||||
#endif
|
||||
if (iwcard->irq >= 0)
|
||||
free_irq(iwcard->irq, (void *)iwcard);
|
||||
}
|
||||
|
||||
static int snd_interwave_card_new(struct device *pdev, int dev,
|
||||
struct snd_card **cardp)
|
||||
{
|
||||
@ -618,14 +607,13 @@ static int snd_interwave_card_new(struct device *pdev, int dev,
|
||||
struct snd_interwave *iwcard;
|
||||
int err;
|
||||
|
||||
err = snd_card_new(pdev, index[dev], id[dev], THIS_MODULE,
|
||||
sizeof(struct snd_interwave), &card);
|
||||
err = snd_devm_card_new(pdev, index[dev], id[dev], THIS_MODULE,
|
||||
sizeof(struct snd_interwave), &card);
|
||||
if (err < 0)
|
||||
return err;
|
||||
iwcard = card->private_data;
|
||||
iwcard->card = card;
|
||||
iwcard->irq = -1;
|
||||
card->private_free = snd_interwave_free;
|
||||
*cardp = card;
|
||||
return 0;
|
||||
}
|
||||
@ -671,8 +659,8 @@ static int snd_interwave_probe(struct snd_card *card, int dev)
|
||||
if (err < 0)
|
||||
return err;
|
||||
|
||||
if (request_irq(xirq, snd_interwave_interrupt, 0,
|
||||
"InterWave", iwcard)) {
|
||||
if (devm_request_irq(card->dev, xirq, snd_interwave_interrupt, 0,
|
||||
"InterWave", iwcard)) {
|
||||
snd_printk(KERN_ERR PFX "unable to grab IRQ %d\n", xirq);
|
||||
return -EBUSY;
|
||||
}
|
||||
@ -779,10 +767,8 @@ static int snd_interwave_isa_probe1(int dev, struct device *devptr)
|
||||
return err;
|
||||
|
||||
err = snd_interwave_probe(card, dev);
|
||||
if (err < 0) {
|
||||
snd_card_free(card);
|
||||
if (err < 0)
|
||||
return err;
|
||||
}
|
||||
dev_set_drvdata(devptr, card);
|
||||
return 0;
|
||||
}
|
||||
@ -843,15 +829,9 @@ static int snd_interwave_isa_probe(struct device *pdev,
|
||||
}
|
||||
}
|
||||
|
||||
static void snd_interwave_isa_remove(struct device *devptr, unsigned int dev)
|
||||
{
|
||||
snd_card_free(dev_get_drvdata(devptr));
|
||||
}
|
||||
|
||||
static struct isa_driver snd_interwave_driver = {
|
||||
.match = snd_interwave_isa_match,
|
||||
.probe = snd_interwave_isa_probe,
|
||||
.remove = snd_interwave_isa_remove,
|
||||
/* FIXME: suspend,resume */
|
||||
.driver = {
|
||||
.name = INTERWAVE_DRIVER
|
||||
@ -878,32 +858,21 @@ static int snd_interwave_pnp_detect(struct pnp_card_link *pcard,
|
||||
return res;
|
||||
|
||||
res = snd_interwave_pnp(dev, card->private_data, pcard, pid);
|
||||
if (res < 0) {
|
||||
snd_card_free(card);
|
||||
if (res < 0)
|
||||
return res;
|
||||
}
|
||||
res = snd_interwave_probe(card, dev);
|
||||
if (res < 0) {
|
||||
snd_card_free(card);
|
||||
if (res < 0)
|
||||
return res;
|
||||
}
|
||||
pnp_set_card_drvdata(pcard, card);
|
||||
dev++;
|
||||
return 0;
|
||||
}
|
||||
|
||||
static void snd_interwave_pnp_remove(struct pnp_card_link *pcard)
|
||||
{
|
||||
snd_card_free(pnp_get_card_drvdata(pcard));
|
||||
pnp_set_card_drvdata(pcard, NULL);
|
||||
}
|
||||
|
||||
static struct pnp_card_driver interwave_pnpc_driver = {
|
||||
.flags = PNP_DRIVER_RES_DISABLE,
|
||||
.name = INTERWAVE_PNP_DRIVER,
|
||||
.id_table = snd_interwave_pnpids,
|
||||
.probe = snd_interwave_pnp_detect,
|
||||
.remove = snd_interwave_pnp_remove,
|
||||
/* FIXME: suspend,resume */
|
||||
};
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user