diff options
| -rw-r--r-- | sound/pci/hda/hda_intel.c | 35 |
1 files changed, 18 insertions, 17 deletions
diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c index 9f110c7ba092..f39de9055097 100644 --- a/sound/pci/hda/hda_intel.c +++ b/sound/pci/hda/hda_intel.c @@ -1121,7 +1121,7 @@ static void azx_load_dsp_cleanup(struct hda_bus *bus, #endif /* enter link reset */ -static void azx_reset_link(struct azx *chip) +static void azx_enter_link_reset(struct azx *chip) { unsigned long timeout; @@ -1134,11 +1134,22 @@ static void azx_reset_link(struct azx *chip) usleep_range(500, 1000); } -/* reset codec link */ -static int azx_reset(struct azx *chip, int full_reset) +/* exit link reset */ +static void azx_exit_link_reset(struct azx *chip) { unsigned long timeout; + azx_writeb(chip, GCTL, azx_readb(chip, GCTL) | ICH6_GCTL_RESET); + + timeout = jiffies + msecs_to_jiffies(100); + while (!azx_readb(chip, GCTL) && + time_before(jiffies, timeout)) + usleep_range(500, 1000); +} + +/* reset codec link */ +static int azx_reset(struct azx *chip, int full_reset) +{ if (!full_reset) goto __skip; @@ -1146,12 +1157,7 @@ static int azx_reset(struct azx *chip, int full_reset) azx_writeb(chip, STATESTS, STATESTS_INT_MASK); /* reset controller */ - azx_writel(chip, GCTL, azx_readl(chip, GCTL) & ~ICH6_GCTL_RESET); - - timeout = jiffies + msecs_to_jiffies(100); - while (azx_readb(chip, GCTL) && - time_before(jiffies, timeout)) - usleep_range(500, 1000); + azx_enter_link_reset(chip); /* delay for >= 100us for codec PLL to settle per spec * Rev 0.9 section 5.5.1 @@ -1159,12 +1165,7 @@ static int azx_reset(struct azx *chip, int full_reset) usleep_range(500, 1000); /* Bring controller out of reset */ - azx_writeb(chip, GCTL, azx_readb(chip, GCTL) | ICH6_GCTL_RESET); - - timeout = jiffies + msecs_to_jiffies(100); - while (!azx_readb(chip, GCTL) && - time_before(jiffies, timeout)) - usleep_range(500, 1000); + azx_exit_link_reset(chip); /* Brent Chartrand said to wait >= 540us for codecs to initialize */ usleep_range(1000, 1200); @@ -2908,7 +2909,7 @@ static int azx_suspend(struct device *dev) if (chip->initialized) snd_hda_suspend(chip->bus); azx_stop_chip(chip); - azx_reset_link(chip); + azx_enter_link_reset(chip); if (chip->irq >= 0) { free_irq(chip->irq, chip); chip->irq = -1; @@ -2961,7 +2962,7 @@ static int azx_runtime_suspend(struct device *dev) struct azx *chip = card->private_data; azx_stop_chip(chip); - azx_reset_link(chip); + azx_enter_link_reset(chip); azx_clear_irq_pending(chip); return 0; } |