diff options
Diffstat (limited to 'sound/pci')
| -rw-r--r-- | sound/pci/hda/hda_intel.c | 61 |
1 files changed, 32 insertions, 29 deletions
diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c index 4bb52da3ace..22ecadcf22d 100644 --- a/sound/pci/hda/hda_intel.c +++ b/sound/pci/hda/hda_intel.c @@ -49,6 +49,7 @@ #include <linux/pm_runtime.h> #include <linux/clocksource.h> #include <linux/time.h> +#include <linux/completion.h> #ifdef CONFIG_X86 /* for snoop control */ @@ -469,6 +470,7 @@ struct azx { /* locks */ spinlock_t reg_lock; struct mutex open_mutex; + struct completion probe_wait; /* streams (x num_streams) */ struct azx_dev *azx_dev; @@ -2745,6 +2747,7 @@ static void azx_vs_set_state(struct pci_dev *pci, struct azx *chip = card->private_data; bool disabled; + wait_for_completion(&chip->probe_wait); if (chip->init_failed) return; @@ -2790,6 +2793,7 @@ static bool azx_vs_can_switch(struct pci_dev *pci) struct snd_card *card = pci_get_drvdata(pci); struct azx *chip = card->private_data; + wait_for_completion(&chip->probe_wait); if (chip->init_failed) return false; if (chip->disabled || !chip->bus) @@ -2851,6 +2855,9 @@ static int azx_free(struct azx *chip) azx_notifier_unregister(chip); + chip->init_failed = 1; /* to be sure */ + complete(&chip->probe_wait); + if (use_vga_switcheroo(chip)) { if (chip->disabled && chip->bus) snd_hda_unlock_devices(chip->bus); @@ -3156,6 +3163,7 @@ static int __devinit azx_create(struct snd_card *card, struct pci_dev *pci, INIT_LIST_HEAD(&chip->pcm_list); INIT_LIST_HEAD(&chip->list); init_vga_switcheroo(chip); + init_completion(&chip->probe_wait); chip->position_fix[0] = chip->position_fix[1] = check_position_fix(chip, position_fix[dev]); @@ -3183,26 +3191,6 @@ static int __devinit azx_create(struct snd_card *card, struct pci_dev *pci, } } - if (check_hdmi_disabled(pci)) { - snd_printk(KERN_INFO SFX "VGA controller for %s is disabled\n", - pci_name(pci)); - if (use_vga_switcheroo(chip)) { - snd_printk(KERN_INFO SFX "Delaying initialization\n"); - chip->disabled = true; - goto ok; - } - kfree(chip); - pci_disable_device(pci); - return -ENXIO; - } - - err = azx_first_init(chip); - if (err < 0) { - azx_free(chip); - return err; - } - - ok: err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops); if (err < 0) { snd_printk(KERN_ERR SFX "Error creating device [card]!\n"); @@ -3447,7 +3435,29 @@ static int __devinit azx_probe(struct pci_dev *pci, if (err < 0) goto out_free; card->private_data = chip; + + pci_set_drvdata(pci, card); + + err = register_vga_switcheroo(chip); + if (err < 0) { + snd_printk(KERN_ERR SFX + "Error registering VGA-switcheroo client\n"); + goto out_free; + } + + if (check_hdmi_disabled(pci)) { + snd_printk(KERN_INFO SFX "VGA controller for %s is disabled\n", + pci_name(pci)); + snd_printk(KERN_INFO SFX "Delaying initialization\n"); + chip->disabled = true; + } + probe_now = !chip->disabled; + if (probe_now) { + err = azx_first_init(chip); + if (err < 0) + goto out_free; + } #ifdef CONFIG_SND_HDA_PATCH_LOADER if (patch[dev] && *patch[dev]) { @@ -3468,23 +3478,16 @@ static int __devinit azx_probe(struct pci_dev *pci, goto out_free; } - pci_set_drvdata(pci, card); - if (pci_dev_run_wake(pci)) pm_runtime_put_noidle(&pci->dev); - err = register_vga_switcheroo(chip); - if (err < 0) { - snd_printk(KERN_ERR SFX - "Error registering VGA-switcheroo client\n"); - goto out_free; - } - dev++; + complete(&chip->probe_wait); return 0; out_free: snd_card_free(card); + pci_set_drvdata(pci, NULL); return err; } |