2e9688c81c
- Switch to REGCACHE_FLAT, the whole overhead of RBTREE is not worth it with non sparse register set in the address range 1..7. - Move register width to central location Signed-off-by: Alexander Sverdlin <alexander.sverdlin@gmail.com> Link: https://lore.kernel.org/r/20230410223902.2321834-3-alexander.sverdlin@gmail.com Signed-off-by: Mark Brown <broonie@kernel.org>
38 lines
877 B
C
38 lines
877 B
C
// 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.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");
|