summaryrefslogtreecommitdiffstats
path: root/sound/soc/codecs/cs4271-spi.c
diff options
context:
space:
mode:
Diffstat (limited to '')
-rw-r--r--sound/soc/codecs/cs4271-spi.c38
1 files changed, 38 insertions, 0 deletions
diff --git a/sound/soc/codecs/cs4271-spi.c b/sound/soc/codecs/cs4271-spi.c
new file mode 100644
index 000000000..7ef0a66b7
--- /dev/null
+++ b/sound/soc/codecs/cs4271-spi.c
@@ -0,0 +1,38 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * CS4271 SPI audio driver
+ *
+ * Copyright (c) 2010 Alexander Sverdlin <subaparts@yandex.ru>
+ */
+
+#include <linux/module.h>
+#include <linux/spi/spi.h>
+#include <linux/regmap.h>
+#include <sound/soc.h>
+#include "cs4271.h"
+
+static int cs4271_spi_probe(struct spi_device *spi)
+{
+ struct regmap_config config;
+
+ config = cs4271_regmap_config;
+ config.reg_bits = 16;
+ config.val_bits = 8;
+ config.read_flag_mask = 0x21;
+ config.write_flag_mask = 0x20;
+
+ return cs4271_probe(&spi->dev, devm_regmap_init_spi(spi, &config));
+}
+
+static struct spi_driver cs4271_spi_driver = {
+ .driver = {
+ .name = "cs4271",
+ .of_match_table = of_match_ptr(cs4271_dt_ids),
+ },
+ .probe = cs4271_spi_probe,
+};
+module_spi_driver(cs4271_spi_driver);
+
+MODULE_DESCRIPTION("ASoC CS4271 SPI Driver");
+MODULE_AUTHOR("Alexander Sverdlin <subaparts@yandex.ru>");
+MODULE_LICENSE("GPL");