[alsa-devel] [PATCH 1/2] ASoC: dmic: Enable ACPI device entry

[Jenny TC]

Enable ACPI device probing for dmic so that DMIC parameters can be passed
from ACPI.

Signed-off-by: Sathyanarayana Nujella <sathyanarayana.nujella at intel.com>
Signed-off-by: Jairaj Arava <jairaj.arava at intel.com>
Signed-off-by: Harsha Priya <harshapriya.n at intel.com>
---
 sound/soc/codecs/dmic.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/sound/soc/codecs/dmic.c b/sound/soc/codecs/dmic.c
index 8c4926d..ab1aa01 100644
--- a/sound/soc/codecs/dmic.c
+++ b/sound/soc/codecs/dmic.c
@@ -19,6 +19,7 @@
  *
  */
 
+#include <linux/acpi.h>
 #include <linux/delay.h>
 #include <linux/gpio.h>
 #include <linux/gpio/consumer.h>
@@ -144,15 +145,26 @@ static int dmic_dev_probe(struct platform_device *pdev)
 
 MODULE_ALIAS("platform:dmic-codec");
 
+#ifdef CONFIG_OF
 static const struct of_device_id dmic_dev_match[] = {
 	{.compatible = "dmic-codec"},
 	{}
 };
+#endif
+
+#ifdef CONFIG_ACPI
+static const struct acpi_device_id dmic_acpi_match[] = {
+	{ "DMIC", 0 },
+	{},
+};
+MODULE_DEVICE_TABLE(acpi, dmic_acpi_match);
+#endif
 
 static struct platform_driver dmic_driver = {
 	.driver = {
 		.name = "dmic-codec",
 		.of_match_table = dmic_dev_match,
+		.acpi_match_table = ACPI_PTR(dmic_acpi_match),
 	},
 	.probe = dmic_dev_probe,
 };
-- 
1.9.1