[Feature] add GA346 baseline version
Change-Id: Ic62933698569507dcf98240cdf5d9931ae34348f
diff --git a/src/kernel/linux/v4.19/sound/soc/codecs/ads117x.c b/src/kernel/linux/v4.19/sound/soc/codecs/ads117x.c
new file mode 100644
index 0000000..bcd45ff
--- /dev/null
+++ b/src/kernel/linux/v4.19/sound/soc/codecs/ads117x.c
@@ -0,0 +1,100 @@
+/*
+ * ads117x.c -- Driver for ads1174/8 ADC chips
+ *
+ * Copyright 2009 ShotSpotter Inc.
+ * Author: Graeme Gregory <gg@slimlogic.co.uk>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ */
+
+#include <linux/kernel.h>
+#include <linux/slab.h>
+#include <linux/init.h>
+#include <linux/device.h>
+#include <linux/module.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/initval.h>
+#include <sound/soc.h>
+
+#include <linux/of.h>
+
+#define ADS117X_RATES (SNDRV_PCM_RATE_8000_48000)
+#define ADS117X_FORMATS (SNDRV_PCM_FMTBIT_S16_LE)
+
+static const struct snd_soc_dapm_widget ads117x_dapm_widgets[] = {
+SND_SOC_DAPM_INPUT("Input1"),
+SND_SOC_DAPM_INPUT("Input2"),
+SND_SOC_DAPM_INPUT("Input3"),
+SND_SOC_DAPM_INPUT("Input4"),
+SND_SOC_DAPM_INPUT("Input5"),
+SND_SOC_DAPM_INPUT("Input6"),
+SND_SOC_DAPM_INPUT("Input7"),
+SND_SOC_DAPM_INPUT("Input8"),
+};
+
+static const struct snd_soc_dapm_route ads117x_dapm_routes[] = {
+ { "Capture", NULL, "Input1" },
+ { "Capture", NULL, "Input2" },
+ { "Capture", NULL, "Input3" },
+ { "Capture", NULL, "Input4" },
+ { "Capture", NULL, "Input5" },
+ { "Capture", NULL, "Input6" },
+ { "Capture", NULL, "Input7" },
+ { "Capture", NULL, "Input8" },
+};
+
+static struct snd_soc_dai_driver ads117x_dai = {
+/* ADC */
+ .name = "ads117x-hifi",
+ .capture = {
+ .stream_name = "Capture",
+ .channels_min = 1,
+ .channels_max = 32,
+ .rates = ADS117X_RATES,
+ .formats = ADS117X_FORMATS,},
+};
+
+static const struct snd_soc_component_driver soc_component_dev_ads117x = {
+ .dapm_widgets = ads117x_dapm_widgets,
+ .num_dapm_widgets = ARRAY_SIZE(ads117x_dapm_widgets),
+ .dapm_routes = ads117x_dapm_routes,
+ .num_dapm_routes = ARRAY_SIZE(ads117x_dapm_routes),
+ .idle_bias_on = 1,
+ .use_pmdown_time = 1,
+ .endianness = 1,
+ .non_legacy_dai_naming = 1,
+};
+
+static int ads117x_probe(struct platform_device *pdev)
+{
+ return devm_snd_soc_register_component(&pdev->dev,
+ &soc_component_dev_ads117x, &ads117x_dai, 1);
+}
+
+#if defined(CONFIG_OF)
+static const struct of_device_id ads117x_dt_ids[] = {
+ { .compatible = "ti,ads1174" },
+ { .compatible = "ti,ads1178" },
+ { },
+};
+MODULE_DEVICE_TABLE(of, ads117x_dt_ids);
+#endif
+
+static struct platform_driver ads117x_codec_driver = {
+ .driver = {
+ .name = "ads117x-codec",
+ .of_match_table = of_match_ptr(ads117x_dt_ids),
+ },
+
+ .probe = ads117x_probe,
+};
+
+module_platform_driver(ads117x_codec_driver);
+
+MODULE_DESCRIPTION("ASoC ads117x driver");
+MODULE_AUTHOR("Graeme Gregory");
+MODULE_LICENSE("GPL");