diff options
Diffstat (limited to 'sound')
| -rw-r--r-- | sound/pci/hda/hda_intel.c | 46 |
1 files changed, 22 insertions, 24 deletions
diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c index 4d2df771112..e9d4cb4d07e 100644 --- a/sound/pci/hda/hda_intel.c +++ b/sound/pci/hda/hda_intel.c @@ -520,38 +520,36 @@ static void azx_update_rirb(struct azx *chip) static unsigned int azx_rirb_get_response(struct hda_codec *codec) { struct azx *chip = codec->bus->private_data; - int timeout = 50; + unsigned long timeout; - for (;;) { + again: + timeout = jiffies + msecs_to_jiffies(1000); + do { if (chip->polling_mode) { spin_lock_irq(&chip->reg_lock); azx_update_rirb(chip); spin_unlock_irq(&chip->reg_lock); } if (! chip->rirb.cmds) - break; - if (! --timeout) { - if (! chip->polling_mode) { - snd_printk(KERN_WARNING "hda_intel: " - "azx_get_response timeout, " - "switching to polling mode...\n"); - chip->polling_mode = 1; - timeout = 50; - continue; - } - snd_printk(KERN_ERR - "hda_intel: azx_get_response timeout, " - "switching to single_cmd mode...\n"); - chip->rirb.rp = azx_readb(chip, RIRBWP); - chip->rirb.cmds = 0; - /* switch to single_cmd mode */ - chip->single_cmd = 1; - azx_free_cmd_io(chip); - return -1; - } - msleep(1); + return chip->rirb.res; /* the last value */ + schedule_timeout_interruptible(1); + } while (time_after_eq(timeout, jiffies)); + + if (!chip->polling_mode) { + snd_printk(KERN_WARNING "hda_intel: azx_get_response timeout, " + "switching to polling mode...\n"); + chip->polling_mode = 1; + goto again; } - return chip->rirb.res; /* the last value */ + + snd_printk(KERN_ERR "hda_intel: azx_get_response timeout, " + "switching to single_cmd mode...\n"); + chip->rirb.rp = azx_readb(chip, RIRBWP); + chip->rirb.cmds = 0; + /* switch to single_cmd mode */ + chip->single_cmd = 1; + azx_free_cmd_io(chip); + return -1; } /* |