1 files changed, 16 insertions, 0 deletions
diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c
index f089fa0aa03d..9f110c7ba092 100644
--- a/sound/pci/hda/hda_intel.c
+++ b/sound/pci/hda/hda_intel.c
@@ -1120,6 +1120,20 @@ static void azx_load_dsp_cleanup(struct hda_bus *bus,
                                 struct snd_dma_buffer *dmab);
 #endif
+/* enter link reset */
+static void azx_reset_link(struct azx *chip)
+{
+        unsigned long timeout;
+        /* reset controller */
+        azx_writel(chip, GCTL, azx_readl(chip, GCTL) & ~ICH6_GCTL_RESET);
+        timeout = jiffies + msecs_to_jiffies(100);
+        while ((azx_readb(chip, GCTL) & ICH6_GCTL_RESET) &&
+                        time_before(jiffies, timeout))
+                usleep_range(500, 1000);
+}
 /* reset codec link */
 static int azx_reset(struct azx *chip, int full_reset)
 {
@@ -2894,6 +2908,7 @@ static int azx_suspend(struct device *dev)
        if (chip->initialized)
                snd_hda_suspend(chip->bus);
        azx_stop_chip(chip);
+        azx_reset_link(chip);
        if (chip->irq >= 0) {
                free_irq(chip->irq, chip);
                chip->irq = -1;
@@ -2946,6 +2961,7 @@ static int azx_runtime_suspend(struct device *dev)
        struct azx *chip = card->private_data;
        azx_stop_chip(chip);
+        azx_reset_link(chip);
        azx_clear_irq_pending(chip);
        return 0;
 }