Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
ASoC: amd: ps: Fix for enabling DMIC on acp63 platform via _DSD entry
Add condition check to register ACP PDM sound card by reading
_WOV acpi entry.
Fixes: 0386d765f27a ("ASoC: amd: ps: refactor acp device configuration read logic")
Signed-off-by: Venkata Prasad Potturu <venkataprasad.potturu@amd.com>
Link: https://patch.msgid.link/20241213061147.1060451-1-venkataprasad.potturu@amd.com
Signed-off-by: Mark Brown <broonie@kernel.org>
authored by
Venkata Prasad Potturu
and committed by
Mark Brown
88438444
78d4f34e
+16
-1
+16
-1
sound/soc/amd/ps/pci-ps.c
+16
-1
sound/soc/amd/ps/pci-ps.c
···
375
375
{
376
376
struct acpi_device *pdm_dev;
377
377
const union acpi_object *obj;
378
+
acpi_handle handle;
379
+
acpi_integer dmic_status;
378
380
u32 config;
379
381
bool is_dmic_dev = false;
380
382
bool is_sdw_dev = false;
383
+
bool wov_en, dmic_en;
381
384
int ret;
385
+
386
+
/* IF WOV entry not found, enable dmic based on acp-audio-device-type entry*/
387
+
wov_en = true;
388
+
dmic_en = false;
382
389
383
390
config = readl(acp_data->acp63_base + ACP_PIN_CONFIG);
384
391
switch (config) {
···
419
412
if (!acpi_dev_get_property(pdm_dev, "acp-audio-device-type",
420
413
ACPI_TYPE_INTEGER, &obj) &&
421
414
obj->integer.value == ACP_DMIC_DEV)
422
-
is_dmic_dev = true;
415
+
dmic_en = true;
423
416
}
417
+
418
+
handle = ACPI_HANDLE(&pci->dev);
419
+
ret = acpi_evaluate_integer(handle, "_WOV", NULL, &dmic_status);
420
+
if (!ACPI_FAILURE(ret))
421
+
wov_en = dmic_status;
424
422
}
423
+
424
+
if (dmic_en && wov_en)
425
+
is_dmic_dev = true;
425
426
426
427
if (acp_data->is_sdw_config) {
427
428
ret = acp_scan_sdw_devices(&pci->dev, ACP63_SDW_ADDR);