1 files changed, 25 insertions, 17 deletions

diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c
index f17ccd513350..11e791b965f6 100644
--- a/sound/pci/hda/hda_intel.c
+++ b/sound/pci/hda/hda_intel.c
@@ -58,6 +58,7 @@ static char *model[SNDRV_CARDS];
 static int position_fix[SNDRV_CARDS];
 static int bdl_pos_adj[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS-1)] = -1};
 static int probe_mask[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS-1)] = -1};
+static int probe_only[SNDRV_CARDS];
 static int single_cmd;
 static int enable_msi;
 
@@ -76,6 +77,8 @@ module_param_array(bdl_pos_adj, int, NULL, 0644);
 MODULE_PARM_DESC(bdl_pos_adj, "BDL position adjustment offset.");
 module_param_array(probe_mask, int, NULL, 0444);
 MODULE_PARM_DESC(probe_mask, "Bitmask to probe codecs (default = -1).");
+module_param_array(probe_only, bool, NULL, 0444);
+MODULE_PARM_DESC(probe_only, "Only probing and no codec initialization.");
 module_param(single_cmd, bool, 0444);
 MODULE_PARM_DESC(single_cmd, "Use single command to communicate with codecs "
 		 "(for debugging only).");
@@ -993,10 +996,11 @@ static irqreturn_t azx_interrupt(int irq, void *dev_id)
 				spin_unlock(&chip->reg_lock);
 				snd_pcm_period_elapsed(azx_dev->substream);
 				spin_lock(&chip->reg_lock);
-			} else {
+			} else if (chip->bus && chip->bus->workq) {
 				/* bogus IRQ, process it later */
 				azx_dev->irq_pending = 1;
-				schedule_work(&chip->irq_pending_work);
+				queue_work(chip->bus->workq,
+					   &chip->irq_pending_work);
 			}
 		}
 	}
@@ -1224,7 +1228,8 @@ static unsigned int azx_max_codecs[AZX_NUM_DRIVERS] __devinitdata = {
 };
 
 static int __devinit azx_codec_create(struct azx *chip, const char *model,
-				      unsigned int codec_probe_mask)
+				      unsigned int codec_probe_mask,
+				      int no_init)
 {
 	struct hda_bus_template bus_temp;
 	int c, codecs, err;
@@ -1233,12 +1238,12 @@ static int __devinit azx_codec_create(struct azx *chip, const char *model,
 	memset(&bus_temp, 0, sizeof(bus_temp));
 	bus_temp.private_data = chip;
 	bus_temp.modelname = model;
-	bus_temp.power_save = &power_save;
 	bus_temp.pci = chip->pci;
 	bus_temp.ops.command = azx_send_cmd;
 	bus_temp.ops.get_response = azx_get_response;
 	bus_temp.ops.attach_pcm = azx_attach_pcm_stream;
 #ifdef CONFIG_SND_HDA_POWER_SAVE
+	bus_temp.power_save = &power_save;
 	bus_temp.ops.pm_notify = azx_power_notify;
 #endif
 
@@ -1282,7 +1287,7 @@ static int __devinit azx_codec_create(struct azx *chip, const char *model,
 	for (c = 0; c < max_slots; c++) {
 		if ((chip->codec_mask & (1 << c)) & codec_probe_mask) {
 			struct hda_codec *codec;
-			err = snd_hda_codec_new(chip->bus, c, &codec);
+			err = snd_hda_codec_new(chip->bus, c, !no_init, &codec);
 			if (err < 0)
 				continue;
 			codecs++;
@@ -1737,7 +1742,6 @@ static void azx_clear_irq_pending(struct azx *chip)
 	for (i = 0; i < chip->num_streams; i++)
 		chip->azx_dev[i].irq_pending = 0;
 	spin_unlock_irq(&chip->reg_lock);
-	flush_scheduled_work();
 }
 
 static struct snd_pcm_ops azx_pcm_ops = {
@@ -1900,6 +1904,12 @@ static void azx_power_notify(struct hda_bus *bus)
 	else if (chip->running && power_save_controller)
 		azx_stop_chip(chip);
 }
+#endif /* CONFIG_SND_HDA_POWER_SAVE */
+
+#ifdef CONFIG_PM
+/*
+ * power management
+ */
 
 static int snd_hda_codecs_inuse(struct hda_bus *bus)
 {
@@ -1911,14 +1921,7 @@ static int snd_hda_codecs_inuse(struct hda_bus *bus)
 	}
 	return 0;
 }
-#else /* !CONFIG_SND_HDA_POWER_SAVE */
-#define snd_hda_codecs_inuse(bus) 1
-#endif /* CONFIG_SND_HDA_POWER_SAVE */
 
-#ifdef CONFIG_PM
-/*
- * power management
- */
 static int azx_suspend(struct pci_dev *pci, pm_message_t state)
 {
 	struct snd_card *card = pci_get_drvdata(pci);
@@ -1944,13 +1947,16 @@ static int azx_suspend(struct pci_dev *pci, pm_message_t state)
 	return 0;
 }
 
+static int azx_resume_early(struct pci_dev *pci)
+{
+	return pci_restore_state(pci);
+}
+
 static int azx_resume(struct pci_dev *pci)
 {
 	struct snd_card *card = pci_get_drvdata(pci);
 	struct azx *chip = card->private_data;
 
-	pci_set_power_state(pci, PCI_D0);
-	pci_restore_state(pci);
 	if (pci_enable_device(pci) < 0) {
 		printk(KERN_ERR "hda-intel: pci_enable_device failed, "
 		       "disabling device\n");
@@ -2183,7 +2189,7 @@ static int __devinit azx_create(struct snd_card *card, struct pci_dev *pci,
 	}
 
 	chip->addr = pci_resource_start(pci, 0);
-	chip->remap_addr = ioremap_nocache(chip->addr, pci_resource_len(pci,0));
+	chip->remap_addr = pci_ioremap_bar(pci, 0);
 	if (chip->remap_addr == NULL) {
 		snd_printk(KERN_ERR SFX "ioremap error\n");
 		err = -ENXIO;
@@ -2341,7 +2347,8 @@ static int __devinit azx_probe(struct pci_dev *pci,
 	card->private_data = chip;
 
 	/* create codec instances */
-	err = azx_codec_create(chip, model[dev], probe_mask[dev]);
+	err = azx_codec_create(chip, model[dev], probe_mask[dev],
+			       probe_only[dev]);
 	if (err < 0)
 		goto out_free;
 
@@ -2461,6 +2468,7 @@ static struct pci_driver driver = {
 	.remove = __devexit_p(azx_remove),
 #ifdef CONFIG_PM
 	.suspend = azx_suspend,
+	.resume_early = azx_resume_early,
 	.resume = azx_resume,
 #endif
 };