Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
ASoC: amd: acp: Fix for enabling DMIC on acp platforms via _DSD entry
Add condition check to register ACP PDM sound card by reading
_WOV acpi entry.
Fixes: 09068d624c49 ("ASoC: amd: acp: fix for acp platform device creation failure")
Signed-off-by: Venkata Prasad Potturu <venkataprasad.potturu@amd.com>
Link: https://patch.msgid.link/20250310183201.11979-15-venkataprasad.potturu@amd.com
Signed-off-by: Mark Brown <broonie@kernel.org>
authored by
Venkata Prasad Potturu
and committed by
Mark Brown
02e1cf7a
e167e5b2
+9
-1
+9
-1
sound/soc/amd/acp/acp-legacy-common.c
+9
-1
sound/soc/amd/acp/acp-legacy-common.c
···
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*/
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#include "amd.h"
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#include <linux/acpi.h>
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#include <linux/pci.h>
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#include <linux/export.h>
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···
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{
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struct acpi_device *pdm_dev;
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const union acpi_object *obj;
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-
u32 pdm_addr;
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acpi_handle handle;
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acpi_integer dmic_status;
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u32 pdm_addr, ret;
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switch (chip->acp_rev) {
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case ACP_RN_PCI_ID:
···
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obj->integer.value == pdm_addr)
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chip->is_pdm_dev = true;
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}
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handle = ACPI_HANDLE(&pci->dev);
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ret = acpi_evaluate_integer(handle, "_WOV", NULL, &dmic_status);
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if (!ACPI_FAILURE(ret))
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chip->is_pdm_dev = dmic_status;
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}
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}
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EXPORT_SYMBOL_NS_GPL(check_acp_config, "SND_SOC_ACP_COMMON");