[PATCH v1] ALSA: hda/tas2781: Ignore SUBSYS_ID not found for tas2563 projects

[Baojun Xu]

Driver will return error if no SUBSYS_ID found in BIOS(acpi).
It will cause error in tas2563 projects, which have no SUBSYS_ID.

Signed-off-by: Baojun Xu <baojun.xu@xxxxxx>
---
 sound/pci/hda/tas2781_hda_i2c.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/sound/pci/hda/tas2781_hda_i2c.c b/sound/pci/hda/tas2781_hda_i2c.c
index 0af015806aba..0e42b87dadb8 100644
--- a/sound/pci/hda/tas2781_hda_i2c.c
+++ b/sound/pci/hda/tas2781_hda_i2c.c
@@ -142,6 +142,9 @@ static int tas2781_read_acpi(struct tasdevice_priv *p, const char *hid)
 	}
 	sub = acpi_get_subsystem_id(ACPI_HANDLE(physdev));
 	if (IS_ERR(sub)) {
+		/* No subsys id in older tas2563 projects. */
+		if (!strncmp(hid, "INT8866", sizeof("INT8866")))
+			goto end_2563;
 		dev_err(p->dev, "Failed to get SUBSYS ID.\n");
 		ret = PTR_ERR(sub);
 		goto err;
@@ -164,6 +167,7 @@ static int tas2781_read_acpi(struct tasdevice_priv *p, const char *hid)
 		p->speaker_id = NULL;
 	}
 
+end_2563:
 	acpi_dev_free_resource_list(&resources);
 	strscpy(p->dev_name, hid, sizeof(p->dev_name));
 	put_device(physdev);
-- 
2.43.0