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[1/3] ASoC: Intel: avs: Implement PCI shutdown

Message ID 20230113190310.1451693-2-amadeuszx.slawinski@linux.intel.com (mailing list archive)
State Accepted
Commit f89d783d68dcc6b2ce4fe3bda972ae0f84df0dca
Headers show
Series Fixes for avs driver | expand

Commit Message

Amadeusz Sławiński Jan. 13, 2023, 7:03 p.m. UTC
On shutdown reference to i915 driver needs to be released to not spam
logs with unnecessary warnings. While at it do some additional cleanup
to make sure DSP is powered down and interrupts from device are
disabled.

Fixes: 1affc44ea5dd ("ASoC: Intel: avs: PCI driver implementation")
Reported-by: Kornel Dulęba <korneld@google.com>
Signed-off-by: Amadeusz Sławiński <amadeuszx.slawinski@linux.intel.com>
---
 sound/soc/intel/avs/core.c | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)
diff mbox series

Patch

diff --git a/sound/soc/intel/avs/core.c b/sound/soc/intel/avs/core.c
index 2ca24273c491..637501850728 100644
--- a/sound/soc/intel/avs/core.c
+++ b/sound/soc/intel/avs/core.c
@@ -481,6 +481,29 @@  static int avs_pci_probe(struct pci_dev *pci, const struct pci_device_id *id)
 	return ret;
 }
 
+static void avs_pci_shutdown(struct pci_dev *pci)
+{
+	struct hdac_bus *bus = pci_get_drvdata(pci);
+	struct avs_dev *adev = hdac_to_avs(bus);
+
+	cancel_work_sync(&adev->probe_work);
+	avs_ipc_block(adev->ipc);
+
+	snd_hdac_stop_streams(bus);
+	avs_dsp_op(adev, int_control, false);
+	snd_hdac_ext_bus_ppcap_int_enable(bus, false);
+	snd_hdac_ext_bus_link_power_down_all(bus);
+
+	snd_hdac_bus_stop_chip(bus);
+	snd_hdac_display_power(bus, HDA_CODEC_IDX_CONTROLLER, false);
+
+	if (avs_platattr_test(adev, CLDMA))
+		pci_free_irq(pci, 0, &code_loader);
+	pci_free_irq(pci, 0, adev);
+	pci_free_irq(pci, 0, bus);
+	pci_free_irq_vectors(pci);
+}
+
 static void avs_pci_remove(struct pci_dev *pci)
 {
 	struct hdac_device *hdev, *save;
@@ -739,6 +762,7 @@  static struct pci_driver avs_pci_driver = {
 	.id_table = avs_ids,
 	.probe = avs_pci_probe,
 	.remove = avs_pci_remove,
+	.shutdown = avs_pci_shutdown,
 	.driver = {
 		.pm = &avs_dev_pm,
 	},