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[1/2] ALSA: hda: intel-dsp-config: Switch to ACPI NHLT

Message ID 20240419084307.2718881-2-cezary.rojewski@intel.com
State New
Headers show
Series [1/2] ALSA: hda: intel-dsp-config: Switch to ACPI NHLT | expand

Commit Message

Cezary Rojewski April 19, 2024, 8:43 a.m. UTC 
From: Amadeusz Sławiński <amadeuszx.slawinski@linux.intel.com>

Now that NHLT support in ACPI framework was introduced, migrate
intel-dsp-config driver to new API.

Signed-off-by: Amadeusz Sławiński <amadeuszx.slawinski@linux.intel.com>
Signed-off-by: Cezary Rojewski <cezary.rojewski@intel.com>
---
 sound/hda/Kconfig            |  1 +
 sound/hda/intel-dsp-config.c | 16 +++++++++-------
 2 files changed, 10 insertions(+), 7 deletions(-)
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Patch

diff --git a/sound/hda/Kconfig b/sound/hda/Kconfig
index 741179ccbd4e..e2ac247fc1d4 100644
--- a/sound/hda/Kconfig
+++ b/sound/hda/Kconfig
@@ -42,6 +42,7 @@  config SND_INTEL_NHLT
 
 config SND_INTEL_DSP_CONFIG
 	tristate
+	select ACPI_NHLT if ACPI
 	select SND_INTEL_NHLT if ACPI
 	select SND_INTEL_SOUNDWIRE_ACPI if ACPI
 	# this config should be selected only for Intel DSP platforms.
diff --git a/sound/hda/intel-dsp-config.c b/sound/hda/intel-dsp-config.c
index 6a384b922e4f..ea050805c20f 100644
--- a/sound/hda/intel-dsp-config.c
+++ b/sound/hda/intel-dsp-config.c
@@ -13,6 +13,8 @@ 
 #include <sound/intel-nhlt.h>
 #include <sound/soc-acpi.h>
 
+#include <acpi/nhlt.h>
+
 static int dsp_driver;
 
 module_param(dsp_driver, int, 0444);
@@ -570,15 +572,15 @@  static const struct config_entry *snd_intel_dsp_find_config
 
 static int snd_intel_dsp_check_dmic(struct pci_dev *pci)
 {
-	struct nhlt_acpi_table *nhlt;
 	int ret = 0;
 
-	nhlt = intel_nhlt_init(&pci->dev);
-	if (nhlt) {
-		if (intel_nhlt_has_endpoint_type(nhlt, NHLT_LINK_DMIC))
-			ret = 1;
-		intel_nhlt_free(nhlt);
-	}
+	acpi_nhlt_get_gbl_table();
+
+	if (acpi_nhlt_find_endpoint(ACPI_NHLT_LINKTYPE_PDM, -1, -1, -1))
+		ret = 1;
+
+	acpi_nhlt_put_gbl_table();
+
 	return ret;
 }