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Diffstat (limited to 'sound/pci/hda/hda_intel.c')
-rw-r--r--sound/pci/hda/hda_intel.c53
1 files changed, 37 insertions, 16 deletions
diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c
index de18722c4873..f39de9055097 100644
--- a/sound/pci/hda/hda_intel.c
+++ b/sound/pci/hda/hda_intel.c
@@ -942,6 +942,9 @@ static unsigned int azx_rirb_get_response(struct hda_bus *bus,
}
}
+ if (!bus->no_response_fallback)
+ return -1;
+
if (!chip->polling_mode && chip->poll_count < 2) {
snd_printdd(SFX "%s: azx_get_response timeout, "
"polling the codec once: last cmd=0x%08x\n",
@@ -1117,37 +1120,52 @@ static void azx_load_dsp_cleanup(struct hda_bus *bus,
struct snd_dma_buffer *dmab);
#endif
-/* reset codec link */
-static int azx_reset(struct azx *chip, int full_reset)
+/* enter link reset */
+static void azx_enter_link_reset(struct azx *chip)
{
unsigned long timeout;
- if (!full_reset)
- goto __skip;
-
- /* clear STATESTS */
- 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) &&
+ while ((azx_readb(chip, GCTL) & ICH6_GCTL_RESET) &&
time_before(jiffies, timeout))
usleep_range(500, 1000);
+}
- /* delay for >= 100us for codec PLL to settle per spec
- * Rev 0.9 section 5.5.1
- */
- usleep_range(500, 1000);
+/* exit link reset */
+static void azx_exit_link_reset(struct azx *chip)
+{
+ unsigned long timeout;
- /* 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);
+}
+
+/* reset codec link */
+static int azx_reset(struct azx *chip, int full_reset)
+{
+ if (!full_reset)
+ goto __skip;
+
+ /* clear STATESTS */
+ azx_writeb(chip, STATESTS, STATESTS_INT_MASK);
+
+ /* reset controller */
+ azx_enter_link_reset(chip);
+
+ /* delay for >= 100us for codec PLL to settle per spec
+ * Rev 0.9 section 5.5.1
+ */
+ usleep_range(500, 1000);
+
+ /* Bring controller out of reset */
+ azx_exit_link_reset(chip);
/* Brent Chartrand said to wait >= 540us for codecs to initialize */
usleep_range(1000, 1200);
@@ -2891,6 +2909,7 @@ static int azx_suspend(struct device *dev)
if (chip->initialized)
snd_hda_suspend(chip->bus);
azx_stop_chip(chip);
+ azx_enter_link_reset(chip);
if (chip->irq >= 0) {
free_irq(chip->irq, chip);
chip->irq = -1;
@@ -2943,6 +2962,7 @@ static int azx_runtime_suspend(struct device *dev)
struct azx *chip = card->private_data;
azx_stop_chip(chip);
+ azx_enter_link_reset(chip);
azx_clear_irq_pending(chip);
return 0;
}
@@ -3764,7 +3784,6 @@ static int azx_probe(struct pci_dev *pci,
out_free:
snd_card_free(card);
- pci_set_drvdata(pci, NULL);
return err;
}
@@ -3834,7 +3853,6 @@ static void azx_remove(struct pci_dev *pci)
if (card)
snd_card_free(card);
- pci_set_drvdata(pci, NULL);
}
/* PCI IDs */
@@ -3878,6 +3896,9 @@ static DEFINE_PCI_DEVICE_TABLE(azx_ids) = {
/* Oaktrail */
{ PCI_DEVICE(0x8086, 0x080a),
.driver_data = AZX_DRIVER_SCH | AZX_DCAPS_INTEL_PCH_NOPM },
+ /* BayTrail */
+ { PCI_DEVICE(0x8086, 0x0f04),
+ .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH_NOPM },
/* ICH */
{ PCI_DEVICE(0x8086, 0x2668),
.driver_data = AZX_DRIVER_ICH | AZX_DCAPS_OLD_SSYNC |