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Diffstat (limited to 'sound')
-rw-r--r--sound/pci/hda/hda_intel.c61
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;
}