[PATCH 2/6] ASoC: amd: Passing card structure based on codec

[Ravulapati Vishnu vardhan rao]

Passing specific snd_soc_card structure depending on the ACPI ID.
In future we can add other IDs in the ACPI table and pass the structure.

Signed-off-by: Ravulapati Vishnu vardhan rao 
<vishnuvardhanrao.ravulap...@amd.com>
---
 sound/soc/amd/acp3x-rt5682-max9836.c | 24 +++++++++++++++++++-----
 1 file changed, 19 insertions(+), 5 deletions(-)

diff --git a/sound/soc/amd/acp3x-rt5682-max9836.c 
b/sound/soc/amd/acp3x-rt5682-max9836.c
index 8b5af064864f..1e446e4bab25 100644
--- a/sound/soc/amd/acp3x-rt5682-max9836.c
+++ b/sound/soc/amd/acp3x-rt5682-max9836.c
@@ -326,18 +326,32 @@ static struct snd_soc_card acp3x_5682 = {
        .num_controls = ARRAY_SIZE(acp3x_5682_mc_controls),
 };
 
+void *soc_is_rltk_max(struct device *dev)
+{
+       const struct acpi_device_id *match;
+
+       match = acpi_match_device(dev->driver->acpi_match_table, dev);
+       if (!match)
+               return NULL;
+       return (void *)match->driver_data;
+}
+
 static int acp3x_probe(struct platform_device *pdev)
 {
        int ret;
        struct snd_soc_card *card;
        struct acp3x_platform_info *machine;
+       struct device *dev = &pdev->dev;
+
+       card = (struct snd_soc_card *)soc_is_rltk_max(dev);
+       if (!card)
+               return -ENODEV;
 
        machine = devm_kzalloc(&pdev->dev, sizeof(*machine), GFP_KERNEL);
        if (!machine)
                return -ENOMEM;
 
-       card = &acp3x_5682;
-       acp3x_5682.dev = &pdev->dev;
+       card->dev = &pdev->dev;
        platform_set_drvdata(pdev, card);
        snd_soc_card_set_drvdata(card, machine);
 
@@ -348,18 +362,18 @@ static int acp3x_probe(struct platform_device *pdev)
                return PTR_ERR(dmic_sel);
        }
 
-       ret = devm_snd_soc_register_card(&pdev->dev, &acp3x_5682);
+       ret = devm_snd_soc_register_card(&pdev->dev, card);
        if (ret) {
                dev_err(&pdev->dev,
                                "devm_snd_soc_register_card(%s) failed: %d\n",
-                               acp3x_5682.name, ret);
+                               card->name, ret);
                return ret;
        }
        return 0;
 }
 
 static const struct acpi_device_id acp3x_audio_acpi_match[] = {
-       { "AMDI5682", 0 },
+       { "AMDI5682", (unsigned long)&acp3x_5682},
        {},
 };
 MODULE_DEVICE_TABLE(acpi, acp3x_audio_acpi_match);
-- 
2.17.1