[PATCH 1/2] ASoC: amd: vangogh: Add ACPI probe support

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Remove the acp5x machine driver from pci-acp5x child devices and enable
probing via ACPI match table.

Co-developed-by: Lucas Tanure <lucas.tanure@xxxxxxxxxxxxx>
Signed-off-by: Lucas Tanure <lucas.tanure@xxxxxxxxxxxxx>
Signed-off-by: Cristian Ciocaltea <cristian.ciocaltea@xxxxxxxxxxxxx>
---
 sound/soc/amd/vangogh/acp5x-mach.c | 39 +++++++++---------------------
 sound/soc/amd/vangogh/acp5x.h      |  2 +-
 sound/soc/amd/vangogh/pci-acp5x.c  |  3 ---
 3 files changed, 12 insertions(+), 32 deletions(-)

diff --git a/sound/soc/amd/vangogh/acp5x-mach.c b/sound/soc/amd/vangogh/acp5x-mach.c
index e5bcd1e6eb73..1b54eadc4979 100644
--- a/sound/soc/amd/vangogh/acp5x-mach.c
+++ b/sound/soc/amd/vangogh/acp5x-mach.c
@@ -22,7 +22,6 @@
 
 #define DRV_NAME			"acp5x_mach"
 #define DUAL_CHANNEL			2
-#define VG_JUPITER			1
 #define ACP5X_NAU8821_BCLK		3072000
 #define ACP5X_NAU8821_FREQ_OUT		12288000
 #define ACP5X_NAU8821_COMP_NAME 	"i2c-NVTN2020:00"
@@ -31,7 +30,6 @@
 #define ACP5X_CS35L41_COMP_RNAME	"spi-VLV1776:01"
 #define ACP5X_CS35L41_DAI_NAME		"cs35l41-pcm"
 
-static unsigned long acp5x_machine_id;
 static struct snd_soc_jack vg_headset;
 
 SND_SOC_DAILINK_DEF(platform,  DAILINK_COMP_ARRAY(COMP_PLATFORM("acp5x_i2s_dma.0")));
@@ -331,24 +329,6 @@ static struct snd_soc_card acp5x_8821_35l41_card = {
 	.num_controls = ARRAY_SIZE(acp5x_8821_controls),
 };
 
-static int acp5x_vg_quirk_cb(const struct dmi_system_id *id)
-{
-	acp5x_machine_id = VG_JUPITER;
-
-	return 1;
-}
-
-static const struct dmi_system_id acp5x_vg_quirk_table[] = {
-	{
-		.callback = acp5x_vg_quirk_cb,
-		.matches = {
-			DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "Valve"),
-			DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Jupiter"),
-		}
-	},
-	{}
-};
-
 static int acp5x_probe(struct platform_device *pdev)
 {
 	struct acp5x_platform_info *machine;
@@ -356,18 +336,14 @@ static int acp5x_probe(struct platform_device *pdev)
 	struct snd_soc_card *card;
 	int ret;
 
+	card = (struct snd_soc_card *)device_get_match_data(dev);
+	if (!card)
+		return -EINVAL;
+
 	machine = devm_kzalloc(dev, sizeof(*machine), GFP_KERNEL);
 	if (!machine)
 		return -ENOMEM;
 
-	dmi_check_system(acp5x_vg_quirk_table);
-	switch (acp5x_machine_id) {
-	case VG_JUPITER:
-		card = &acp5x_8821_35l41_card;
-		break;
-	default:
-		return -ENODEV;
-	}
 	card->dev = dev;
 	platform_set_drvdata(pdev, card);
 	snd_soc_card_set_drvdata(card, machine);
@@ -379,10 +355,17 @@ static int acp5x_probe(struct platform_device *pdev)
 	return 0;
 }
 
+static const struct acpi_device_id acp5x_acpi_match[] = {
+	{ "AMDI3541", (kernel_ulong_t)&acp5x_8821_35l41_card },
+	{},
+};
+MODULE_DEVICE_TABLE(acpi, acp5x_acpi_match);
+
 static struct platform_driver acp5x_mach_driver = {
 	.driver = {
 		.name = "acp5x_mach",
 		.pm = &snd_soc_pm_ops,
+		.acpi_match_table = acp5x_acpi_match,
 	},
 	.probe = acp5x_probe,
 };
diff --git a/sound/soc/amd/vangogh/acp5x.h b/sound/soc/amd/vangogh/acp5x.h
index ac1936a8c43f..2d9b182af109 100644
--- a/sound/soc/amd/vangogh/acp5x.h
+++ b/sound/soc/amd/vangogh/acp5x.h
@@ -23,7 +23,7 @@
 #define ACP_ERR_INTR_MASK	0x20000000
 #define ACP_EXT_INTR_STAT_CLEAR_MASK 0xFFFFFFFF
 
-#define ACP5x_DEVS 4
+#define ACP5x_DEVS 3
 #define	ACP5x_REG_START	0x1240000
 #define	ACP5x_REG_END	0x1250200
 #define ACP5x_I2STDM_REG_START	0x1242400
diff --git a/sound/soc/amd/vangogh/pci-acp5x.c b/sound/soc/amd/vangogh/pci-acp5x.c
index c4634a8a17cd..ab2fcb34518f 100644
--- a/sound/soc/amd/vangogh/pci-acp5x.c
+++ b/sound/soc/amd/vangogh/pci-acp5x.c
@@ -222,9 +222,6 @@ static int snd_acp5x_probe(struct pci_dev *pci,
 		pdevinfo[2].num_res = 1;
 		pdevinfo[2].res = &adata->res[2];
 
-		pdevinfo[3].name = "acp5x_mach";
-		pdevinfo[3].id = 0;
-		pdevinfo[3].parent = &pci->dev;
 		for (i = 0; i < ACP5x_DEVS; i++) {
 			adata->pdev[i] =
 				platform_device_register_full(&pdevinfo[i]);
-- 
2.41.0




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