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Diffstat (limited to 'sound/pci/hda/hda_intel.c')
-rw-r--r--sound/pci/hda/hda_intel.c26
1 files changed, 23 insertions, 3 deletions
diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c
index 2ec9c896ebc0..e42cc2230977 100644
--- a/sound/pci/hda/hda_intel.c
+++ b/sound/pci/hda/hda_intel.c
@@ -172,6 +172,9 @@ module_param_array(beep_mode, bool, NULL, 0444);
MODULE_PARM_DESC(beep_mode, "Select HDA Beep registration mode "
"(0=off, 1=on) (default=1).");
#endif
+static int skl_pci_binding;
+module_param_named(pci_binding, skl_pci_binding, int, 0444);
+MODULE_PARM_DESC(pci_binding, "PCI binding (0=auto, 1=only legacy, 2=only asoc");
#ifdef CONFIG_PM
static int param_set_xint(const char *val, const struct kernel_param *kp);
@@ -2050,9 +2053,26 @@ static int azx_probe(struct pci_dev *pci,
int err;
/* check if this driver can be used on SKL+ Intel platforms */
- if ((pci_id->driver_data & AZX_DCAPS_INTEL_SHARED) &&
- pci->class != 0x040300)
- return -ENODEV;
+ if (pci_id->driver_data & AZX_DCAPS_INTEL_SHARED) {
+ switch (skl_pci_binding) {
+ case SND_SKL_PCI_BIND_AUTO:
+ if (pci->class != 0x040300) {
+ dev_info(&pci->dev, "The DSP is enabled on this platform, aborting probe\n");
+ return -ENODEV;
+ }
+ dev_info(&pci->dev, "No DSP detected, continuing HDaudio legacy probe\n");
+ break;
+ case SND_SKL_PCI_BIND_LEGACY:
+ dev_info(&pci->dev, "Module parameter forced binding with HDaudio legacy, bypassed detection logic\n");
+ break;
+ case SND_SKL_PCI_BIND_ASOC:
+ dev_info(&pci->dev, "Module parameter forced binding with SKL+ ASoC driver, aborting probe\n");
+ return -ENODEV;
+ default:
+ dev_err(&pci->dev, "invalid value for skl_pci_binding module parameter, ignored\n");
+ break;
+ }
+ }
if (dev >= SNDRV_CARDS)
return -ENODEV;