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path: root/sound/pci/hda/hda_intel.c
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Diffstat (limited to 'sound/pci/hda/hda_intel.c')
-rw-r--r--sound/pci/hda/hda_intel.c20
1 files changed, 12 insertions, 8 deletions
diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c
index 8b2915631cc..8d477613bcc 100644
--- a/sound/pci/hda/hda_intel.c
+++ b/sound/pci/hda/hda_intel.c
@@ -858,10 +858,13 @@ static void azx_power_notify(struct hda_bus *bus);
#endif
/* reset codec link */
-static int azx_reset(struct azx *chip)
+static int azx_reset(struct azx *chip, int full_reset)
{
int count;
+ if (!full_reset)
+ goto __skip;
+
/* clear STATESTS */
azx_writeb(chip, STATESTS, STATESTS_INT_MASK);
@@ -887,6 +890,7 @@ static int azx_reset(struct azx *chip)
/* Brent Chartrand said to wait >= 540us for codecs to initialize */
msleep(1);
+ __skip:
/* check to see if controller is ready */
if (!azx_readb(chip, GCTL)) {
snd_printd(SFX "azx_reset: controller not ready!\n");
@@ -998,13 +1002,13 @@ static void azx_stream_stop(struct azx *chip, struct azx_dev *azx_dev)
/*
* reset and start the controller registers
*/
-static void azx_init_chip(struct azx *chip)
+static void azx_init_chip(struct azx *chip, int full_reset)
{
if (chip->initialized)
return;
/* reset controller */
- azx_reset(chip);
+ azx_reset(chip, full_reset);
/* initialize interrupts */
azx_int_clear(chip);
@@ -1348,7 +1352,7 @@ static void azx_bus_reset(struct hda_bus *bus)
bus->in_reset = 1;
azx_stop_chip(chip);
- azx_init_chip(chip);
+ azx_init_chip(chip, 1);
#ifdef CONFIG_PM
if (chip->initialized) {
int i;
@@ -1422,7 +1426,7 @@ static int __devinit azx_codec_create(struct azx *chip, const char *model)
* get back to the sanity state.
*/
azx_stop_chip(chip);
- azx_init_chip(chip);
+ azx_init_chip(chip, 1);
}
}
}
@@ -2112,7 +2116,7 @@ static void azx_power_notify(struct hda_bus *bus)
}
}
if (power_on)
- azx_init_chip(chip);
+ azx_init_chip(chip, 1);
else if (chip->running && power_save_controller &&
!bus->power_keep_link_on)
azx_stop_chip(chip);
@@ -2182,7 +2186,7 @@ static int azx_resume(struct pci_dev *pci)
azx_init_pci(chip);
if (snd_hda_codecs_inuse(chip->bus))
- azx_init_chip(chip);
+ azx_init_chip(chip, 1);
snd_hda_resume(chip->bus);
snd_power_change_state(card, SNDRV_CTL_POWER_D0);
@@ -2573,7 +2577,7 @@ static int __devinit azx_create(struct snd_card *card, struct pci_dev *pci,
/* initialize chip */
azx_init_pci(chip);
- azx_init_chip(chip);
+ azx_init_chip(chip, model[dev] == NULL || strcmp(model[dev], "hwio"));
/* codec detection */
if (!chip->codec_mask) {