diff options
Diffstat (limited to 'sound')
| -rw-r--r-- | sound/pci/hda/hda_intel.c | 36 |
1 files changed, 32 insertions, 4 deletions
diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c index 8860dd529520..bf5e58ec1efe 100644 --- a/sound/pci/hda/hda_intel.c +++ b/sound/pci/hda/hda_intel.c @@ -555,6 +555,9 @@ struct azx { #ifdef CONFIG_SND_HDA_DSP_LOADER struct azx_dev saved_azx_dev; #endif + + /* secondary power domain for hdmi audio under vga device */ + struct dev_pm_domain hdmi_pm_domain; }; #define CREATE_TRACE_POINTS @@ -1397,8 +1400,9 @@ static irqreturn_t azx_interrupt(int irq, void *dev_id) int i, ok; #ifdef CONFIG_PM_RUNTIME - if (chip->pci->dev.power.runtime_status != RPM_ACTIVE) - return IRQ_NONE; + if (chip->driver_caps & AZX_DCAPS_PM_RUNTIME) + if (chip->pci->dev.power.runtime_status != RPM_ACTIVE) + return IRQ_NONE; #endif spin_lock(&chip->reg_lock); @@ -1409,7 +1413,7 @@ static irqreturn_t azx_interrupt(int irq, void *dev_id) } status = azx_readl(chip, INTSTS); - if (status == 0) { + if (status == 0 || status == 0xffffffff) { spin_unlock(&chip->reg_lock); return IRQ_NONE; } @@ -2971,6 +2975,12 @@ static int azx_runtime_suspend(struct device *dev) struct snd_card *card = dev_get_drvdata(dev); struct azx *chip = card->private_data; + if (chip->disabled) + return 0; + + if (!(chip->driver_caps & AZX_DCAPS_PM_RUNTIME)) + return 0; + azx_stop_chip(chip); azx_enter_link_reset(chip); azx_clear_irq_pending(chip); @@ -2984,6 +2994,12 @@ static int azx_runtime_resume(struct device *dev) struct snd_card *card = dev_get_drvdata(dev); struct azx *chip = card->private_data; + if (chip->disabled) + return 0; + + if (!(chip->driver_caps & AZX_DCAPS_PM_RUNTIME)) + return 0; + if (chip->driver_caps & AZX_DCAPS_I915_POWERWELL) hda_display_power(true); azx_init_pci(chip); @@ -2996,6 +3012,9 @@ static int azx_runtime_idle(struct device *dev) struct snd_card *card = dev_get_drvdata(dev); struct azx *chip = card->private_data; + if (chip->disabled) + return 0; + if (!power_save_controller || !(chip->driver_caps & AZX_DCAPS_PM_RUNTIME)) return -EBUSY; @@ -3078,13 +3097,19 @@ static void azx_vs_set_state(struct pci_dev *pci, "%s: %s via VGA-switcheroo\n", pci_name(chip->pci), disabled ? "Disabling" : "Enabling"); if (disabled) { + pm_runtime_put_sync_suspend(&pci->dev); azx_suspend(&pci->dev); + /* when we get suspended by vga switcheroo we end up in D3cold, + * however we have no ACPI handle, so pci/acpi can't put us there, + * put ourselves there */ + pci->current_state = PCI_D3cold; chip->disabled = true; if (snd_hda_lock_devices(chip->bus)) snd_printk(KERN_WARNING SFX "%s: Cannot lock devices!\n", pci_name(chip->pci)); } else { snd_hda_unlock_devices(chip->bus); + pm_runtime_get_noresume(&pci->dev); chip->disabled = false; azx_resume(&pci->dev); } @@ -3139,6 +3164,9 @@ static int register_vga_switcheroo(struct azx *chip) if (err < 0) return err; chip->vga_switcheroo_registered = 1; + + /* register as an optimus hdmi audio power domain */ + vga_switcheroo_init_domain_pm_optimus_hdmi_audio(&chip->pci->dev, &chip->hdmi_pm_domain); return 0; } #else @@ -3887,7 +3915,7 @@ static int azx_probe_continue(struct azx *chip) power_down_all_codecs(chip); azx_notifier_register(chip); azx_add_card_list(chip); - if (chip->driver_caps & AZX_DCAPS_PM_RUNTIME) + if ((chip->driver_caps & AZX_DCAPS_PM_RUNTIME) || chip->use_vga_switcheroo) pm_runtime_put_noidle(&pci->dev); return 0; |