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Subject[PATCH 2/6] ASoC: amd: Passing card structure based on codec
Date
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.Ravulapati@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
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