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authorSrikant Patnaik2015-01-11 12:28:04 +0530
committerSrikant Patnaik2015-01-11 12:28:04 +0530
commit871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch)
tree8718f573808810c2a1e8cb8fb6ac469093ca2784 /ANDROID_3.4.5/sound/soc/soc-io.c
parent9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff)
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Moved, renamed, and deleted files
The original directory structure was scattered and unorganized. Changes are basically to make it look like kernel structure.
Diffstat (limited to 'ANDROID_3.4.5/sound/soc/soc-io.c')
-rw-r--r--ANDROID_3.4.5/sound/soc/soc-io.c170
1 files changed, 0 insertions, 170 deletions
diff --git a/ANDROID_3.4.5/sound/soc/soc-io.c b/ANDROID_3.4.5/sound/soc/soc-io.c
deleted file mode 100644
index 4d8dc6a2..00000000
--- a/ANDROID_3.4.5/sound/soc/soc-io.c
+++ /dev/null
@@ -1,170 +0,0 @@
-/*
- * soc-io.c -- ASoC register I/O helpers
- *
- * Copyright 2009-2011 Wolfson Microelectronics PLC.
- *
- * Author: Mark Brown <broonie@opensource.wolfsonmicro.com>
- *
- * 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/i2c.h>
-#include <linux/spi/spi.h>
-#include <linux/regmap.h>
-#include <linux/export.h>
-#include <sound/soc.h>
-
-#include <trace/events/asoc.h>
-
-#ifdef CONFIG_REGMAP
-static int hw_write(struct snd_soc_codec *codec, unsigned int reg,
- unsigned int value)
-{
- int ret;
-
- if (!snd_soc_codec_volatile_register(codec, reg) &&
- reg < codec->driver->reg_cache_size &&
- !codec->cache_bypass) {
- ret = snd_soc_cache_write(codec, reg, value);
- if (ret < 0)
- return -1;
- }
-
- if (codec->cache_only) {
- codec->cache_sync = 1;
- return 0;
- }
-
- return regmap_write(codec->control_data, reg, value);
-}
-
-static unsigned int hw_read(struct snd_soc_codec *codec, unsigned int reg)
-{
- int ret;
- unsigned int val;
-
- if (reg >= codec->driver->reg_cache_size ||
- snd_soc_codec_volatile_register(codec, reg) ||
- codec->cache_bypass) {
- if (codec->cache_only)
- return -1;
-
- ret = regmap_read(codec->control_data, reg, &val);
- if (ret == 0)
- return val;
- else
- return -1;
- }
-
- ret = snd_soc_cache_read(codec, reg, &val);
- if (ret < 0)
- return -1;
- return val;
-}
-
-/* Primitive bulk write support for soc-cache. The data pointed to by
- * `data' needs to already be in the form the hardware expects. Any
- * data written through this function will not go through the cache as
- * it only handles writing to volatile or out of bounds registers.
- *
- * This is currently only supported for devices using the regmap API
- * wrappers.
- */
-static int snd_soc_hw_bulk_write_raw(struct snd_soc_codec *codec,
- unsigned int reg,
- const void *data, size_t len)
-{
- /* To ensure that we don't get out of sync with the cache, check
- * whether the base register is volatile or if we've directly asked
- * to bypass the cache. Out of bounds registers are considered
- * volatile.
- */
- if (!codec->cache_bypass
- && !snd_soc_codec_volatile_register(codec, reg)
- && reg < codec->driver->reg_cache_size)
- return -EINVAL;
-
- return regmap_raw_write(codec->control_data, reg, data, len);
-}
-
-/**
- * snd_soc_codec_set_cache_io: Set up standard I/O functions.
- *
- * @codec: CODEC to configure.
- * @addr_bits: Number of bits of register address data.
- * @data_bits: Number of bits of data per register.
- * @control: Control bus used.
- *
- * Register formats are frequently shared between many I2C and SPI
- * devices. In order to promote code reuse the ASoC core provides
- * some standard implementations of CODEC read and write operations
- * which can be set up using this function.
- *
- * The caller is responsible for allocating and initialising the
- * actual cache.
- *
- * Note that at present this code cannot be used by CODECs with
- * volatile registers.
- */
-int snd_soc_codec_set_cache_io(struct snd_soc_codec *codec,
- int addr_bits, int data_bits,
- enum snd_soc_control_type control)
-{
- struct regmap_config config;
- int ret;
-
- memset(&config, 0, sizeof(config));
- codec->write = hw_write;
- codec->read = hw_read;
- codec->bulk_write_raw = snd_soc_hw_bulk_write_raw;
-
- config.reg_bits = addr_bits;
- config.val_bits = data_bits;
-
- switch (control) {
-#if defined(CONFIG_REGMAP_I2C) || defined(CONFIG_REGMAP_I2C_MODULE)
- case SND_SOC_I2C:
- codec->control_data = regmap_init_i2c(to_i2c_client(codec->dev),
- &config);
- break;
-#endif
-
-#if defined(CONFIG_REGMAP_SPI) || defined(CONFIG_REGMAP_SPI_MODULE)
- case SND_SOC_SPI:
- codec->control_data = regmap_init_spi(to_spi_device(codec->dev),
- &config);
- break;
-#endif
-
- case SND_SOC_REGMAP:
- /* Device has made its own regmap arrangements */
- codec->using_regmap = true;
-
- ret = regmap_get_val_bytes(codec->control_data);
- /* Errors are legitimate for non-integer byte multiples */
- if (ret > 0)
- codec->val_bytes = ret;
- break;
-
- default:
- return -EINVAL;
- }
-
- if (IS_ERR(codec->control_data))
- return PTR_ERR(codec->control_data);
-
- return 0;
-}
-EXPORT_SYMBOL_GPL(snd_soc_codec_set_cache_io);
-#else
-int snd_soc_codec_set_cache_io(struct snd_soc_codec *codec,
- int addr_bits, int data_bits,
- enum snd_soc_control_type control)
-{
- return -ENOTSUPP;
-}
-EXPORT_SYMBOL_GPL(snd_soc_codec_set_cache_io);
-#endif