summaryrefslogtreecommitdiffstats
path: root/sound/soc/codecs/ad73311.c
diff options
context:
space:
mode:
Diffstat (limited to 'sound/soc/codecs/ad73311.c')
-rw-r--r--sound/soc/codecs/ad73311.c81
1 files changed, 81 insertions, 0 deletions
diff --git a/sound/soc/codecs/ad73311.c b/sound/soc/codecs/ad73311.c
new file mode 100644
index 0000000000..f6090ac57e
--- /dev/null
+++ b/sound/soc/codecs/ad73311.c
@@ -0,0 +1,81 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * ad73311.c -- ALSA Soc AD73311 codec support
+ *
+ * Copyright: Analog Devices Inc.
+ * Author: Cliff Cai <cliff.cai@analog.com>
+ */
+
+#include <linux/init.h>
+#include <linux/slab.h>
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/device.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/ac97_codec.h>
+#include <sound/initval.h>
+#include <sound/soc.h>
+
+#include "ad73311.h"
+
+static const struct snd_soc_dapm_widget ad73311_dapm_widgets[] = {
+SND_SOC_DAPM_INPUT("VINP"),
+SND_SOC_DAPM_INPUT("VINN"),
+SND_SOC_DAPM_OUTPUT("VOUTN"),
+SND_SOC_DAPM_OUTPUT("VOUTP"),
+};
+
+static const struct snd_soc_dapm_route ad73311_dapm_routes[] = {
+ { "Capture", NULL, "VINP" },
+ { "Capture", NULL, "VINN" },
+
+ { "VOUTN", NULL, "Playback" },
+ { "VOUTP", NULL, "Playback" },
+};
+
+static struct snd_soc_dai_driver ad73311_dai = {
+ .name = "ad73311-hifi",
+ .playback = {
+ .stream_name = "Playback",
+ .channels_min = 1,
+ .channels_max = 1,
+ .rates = SNDRV_PCM_RATE_8000,
+ .formats = SNDRV_PCM_FMTBIT_S16_LE, },
+ .capture = {
+ .stream_name = "Capture",
+ .channels_min = 1,
+ .channels_max = 1,
+ .rates = SNDRV_PCM_RATE_8000,
+ .formats = SNDRV_PCM_FMTBIT_S16_LE, },
+};
+
+static const struct snd_soc_component_driver soc_component_dev_ad73311 = {
+ .dapm_widgets = ad73311_dapm_widgets,
+ .num_dapm_widgets = ARRAY_SIZE(ad73311_dapm_widgets),
+ .dapm_routes = ad73311_dapm_routes,
+ .num_dapm_routes = ARRAY_SIZE(ad73311_dapm_routes),
+ .idle_bias_on = 1,
+ .use_pmdown_time = 1,
+ .endianness = 1,
+};
+
+static int ad73311_probe(struct platform_device *pdev)
+{
+ return devm_snd_soc_register_component(&pdev->dev,
+ &soc_component_dev_ad73311, &ad73311_dai, 1);
+}
+
+static struct platform_driver ad73311_codec_driver = {
+ .driver = {
+ .name = "ad73311",
+ },
+
+ .probe = ad73311_probe,
+};
+
+module_platform_driver(ad73311_codec_driver);
+
+MODULE_DESCRIPTION("ASoC ad73311 driver");
+MODULE_AUTHOR("Cliff Cai ");
+MODULE_LICENSE("GPL");