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-rw-r--r--sound/soc/intel/skylake/skl-pcm.c1
-rw-r--r--sound/soc/intel/skylake/skl.c34
2 files changed, 34 insertions, 1 deletions
diff --git a/sound/soc/intel/skylake/skl-pcm.c b/sound/soc/intel/skylake/skl-pcm.c
index 4494db6a05f5..15480234b20b 100644
--- a/sound/soc/intel/skylake/skl-pcm.c
+++ b/sound/soc/intel/skylake/skl-pcm.c
@@ -533,7 +533,6 @@ static int skl_link_pcm_prepare(struct snd_pcm_substream *substream,
if (!link)
return -EINVAL;
- snd_hdac_ext_bus_link_power_up(link);
snd_hdac_ext_link_stream_reset(link_dev);
snd_hdac_ext_link_stream_setup(link_dev, format_val);
diff --git a/sound/soc/intel/skylake/skl.c b/sound/soc/intel/skylake/skl.c
index 83e985c0c0c9..06d8c263c68f 100644
--- a/sound/soc/intel/skylake/skl.c
+++ b/sound/soc/intel/skylake/skl.c
@@ -229,7 +229,12 @@ static int skl_suspend(struct device *dev)
* running, we need to save the state for these and continue
*/
if (skl->supend_active) {
+ /* turn off the links and stop the CORB/RIRB DMA if it is On */
snd_hdac_ext_bus_link_power_down_all(ebus);
+
+ if (ebus->cmd_dma_state)
+ snd_hdac_bus_stop_cmd_io(&ebus->bus);
+
enable_irq_wake(bus->irq);
pci_save_state(pci);
pci_disable_device(pci);
@@ -255,6 +260,7 @@ static int skl_resume(struct device *dev)
struct hdac_ext_bus *ebus = pci_get_drvdata(pci);
struct skl *skl = ebus_to_skl(ebus);
struct hdac_bus *bus = ebus_to_hbus(ebus);
+ struct hdac_ext_link *hlink = NULL;
int ret;
/* Turned OFF in HDMI codec driver after codec reconfiguration */
@@ -276,8 +282,29 @@ static int skl_resume(struct device *dev)
ret = pci_enable_device(pci);
snd_hdac_ext_bus_link_power_up_all(ebus);
disable_irq_wake(bus->irq);
+ /*
+ * turn On the links which are On before active suspend
+ * and start the CORB/RIRB DMA if On before
+ * active suspend.
+ */
+ list_for_each_entry(hlink, &ebus->hlink_list, list) {
+ if (hlink->ref_count)
+ snd_hdac_ext_bus_link_power_up(hlink);
+ }
+
+ if (ebus->cmd_dma_state)
+ snd_hdac_bus_init_cmd_io(&ebus->bus);
} else {
ret = _skl_resume(ebus);
+
+ /* turn off the links which are off before suspend */
+ list_for_each_entry(hlink, &ebus->hlink_list, list) {
+ if (!hlink->ref_count)
+ snd_hdac_ext_bus_link_power_down(hlink);
+ }
+
+ if (!ebus->cmd_dma_state)
+ snd_hdac_bus_stop_cmd_io(&ebus->bus);
}
return ret;
@@ -613,6 +640,7 @@ static int skl_probe(struct pci_dev *pci,
struct skl *skl;
struct hdac_ext_bus *ebus = NULL;
struct hdac_bus *bus = NULL;
+ struct hdac_ext_link *hlink = NULL;
int err;
/* we use ext core ops, so provide NULL for ops here */
@@ -679,6 +707,12 @@ static int skl_probe(struct pci_dev *pci,
}
}
+ /*
+ * we are done probling so decrement link counts
+ */
+ list_for_each_entry(hlink, &ebus->hlink_list, list)
+ snd_hdac_ext_bus_link_put(ebus, hlink);
+
/*configure PM */
pm_runtime_put_noidle(bus->dev);
pm_runtime_allow(bus->dev);