diff options
Diffstat (limited to 'sound/pci/hda/hda_intel.c')
-rw-r--r-- | sound/pci/hda/hda_intel.c | 20 |
1 files changed, 17 insertions, 3 deletions
diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c index c19e71a94e1b..1f350522bed4 100644 --- a/sound/pci/hda/hda_intel.c +++ b/sound/pci/hda/hda_intel.c | |||
@@ -783,11 +783,13 @@ static unsigned int azx_rirb_get_response(struct hda_bus *bus, | |||
783 | { | 783 | { |
784 | struct azx *chip = bus->private_data; | 784 | struct azx *chip = bus->private_data; |
785 | unsigned long timeout; | 785 | unsigned long timeout; |
786 | unsigned long loopcounter; | ||
786 | int do_poll = 0; | 787 | int do_poll = 0; |
787 | 788 | ||
788 | again: | 789 | again: |
789 | timeout = jiffies + msecs_to_jiffies(1000); | 790 | timeout = jiffies + msecs_to_jiffies(1000); |
790 | for (;;) { | 791 | |
792 | for (loopcounter = 0;; loopcounter++) { | ||
791 | if (chip->polling_mode || do_poll) { | 793 | if (chip->polling_mode || do_poll) { |
792 | spin_lock_irq(&chip->reg_lock); | 794 | spin_lock_irq(&chip->reg_lock); |
793 | azx_update_rirb(chip); | 795 | azx_update_rirb(chip); |
@@ -803,7 +805,7 @@ static unsigned int azx_rirb_get_response(struct hda_bus *bus, | |||
803 | } | 805 | } |
804 | if (time_after(jiffies, timeout)) | 806 | if (time_after(jiffies, timeout)) |
805 | break; | 807 | break; |
806 | if (bus->needs_damn_long_delay) | 808 | if (bus->needs_damn_long_delay || loopcounter > 3000) |
807 | msleep(2); /* temporary workaround */ | 809 | msleep(2); /* temporary workaround */ |
808 | else { | 810 | else { |
809 | udelay(10); | 811 | udelay(10); |
@@ -2351,6 +2353,17 @@ static void azx_power_notify(struct hda_bus *bus) | |||
2351 | * power management | 2353 | * power management |
2352 | */ | 2354 | */ |
2353 | 2355 | ||
2356 | static int snd_hda_codecs_inuse(struct hda_bus *bus) | ||
2357 | { | ||
2358 | struct hda_codec *codec; | ||
2359 | |||
2360 | list_for_each_entry(codec, &bus->codec_list, list) { | ||
2361 | if (snd_hda_codec_needs_resume(codec)) | ||
2362 | return 1; | ||
2363 | } | ||
2364 | return 0; | ||
2365 | } | ||
2366 | |||
2354 | static int azx_suspend(struct pci_dev *pci, pm_message_t state) | 2367 | static int azx_suspend(struct pci_dev *pci, pm_message_t state) |
2355 | { | 2368 | { |
2356 | struct snd_card *card = pci_get_drvdata(pci); | 2369 | struct snd_card *card = pci_get_drvdata(pci); |
@@ -2397,7 +2410,8 @@ static int azx_resume(struct pci_dev *pci) | |||
2397 | return -EIO; | 2410 | return -EIO; |
2398 | azx_init_pci(chip); | 2411 | azx_init_pci(chip); |
2399 | 2412 | ||
2400 | azx_init_chip(chip, 1); | 2413 | if (snd_hda_codecs_inuse(chip->bus)) |
2414 | azx_init_chip(chip, 1); | ||
2401 | 2415 | ||
2402 | snd_hda_resume(chip->bus); | 2416 | snd_hda_resume(chip->bus); |
2403 | snd_power_change_state(card, SNDRV_CTL_POWER_D0); | 2417 | snd_power_change_state(card, SNDRV_CTL_POWER_D0); |