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ASoC: fsl: remove helper fsl_asoc_get_codec_dev_name

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The ASoC core now can support matching codec with device node besides
name, so we can save helper function fsl_asoc_get_codec_dev_name.

Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Acked-by: Sascha Hauer <s.hauer@pengutronix.de>
Acked-by: Timur Tabi <timur@freescale.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
Shawn Guo 2012-03-16 16:56:41 +08:00 committed by Mark Brown
parent 60aae8da29
commit 8f549d7e77
4 changed files with 4 additions and 67 deletions
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44
sound/soc/fsl/fsl_utils.c
View File

@ -12,54 +12,10 @@
#include <linux/module.h>
#include <linux/of_address.h>
#include <linux/of_i2c.h>
#include <sound/soc.h>
#include "fsl_utils.h"
/**
* fsl_asoc_get_codec_dev_name - determine the dev_name for a codec node
*
* @np: pointer to the I2C device tree node
* @buf: buffer to be filled with the dev_name of the I2C device
* @len: the length of the buffer
*
* This function determines the dev_name for an I2C node. This is the name
* that would be returned by dev_name() if this device_node were part of a
* 'struct device' It's ugly and hackish, but it works.
*
* The dev_name for such devices include the bus number and I2C address. For
* example, "cs4270.0-004f".
*/
int fsl_asoc_get_codec_dev_name(struct device_node *np, char *buf, size_t len)
{
const u32 *iprop;
u32 addr;
char temp[DAI_NAME_SIZE];
struct i2c_client *i2c;
of_modalias_node(np, temp, DAI_NAME_SIZE);
iprop = of_get_property(np, "reg", NULL);
if (!iprop)
return -EINVAL;
addr = be32_to_cpup(iprop);
/* We need the adapter number */
i2c = of_find_i2c_device_by_node(np);
if (!i2c) {
put_device(&i2c->dev);
return -ENODEV;
}
snprintf(buf, len, "%s.%u-%04x", temp, i2c->adapter->nr, addr);
put_device(&i2c->dev);
return 0;
}
EXPORT_SYMBOL(fsl_asoc_get_codec_dev_name);
/**
* fsl_asoc_get_dma_channel - determine the dma channel for a SSI node
*

1
sound/soc/fsl/fsl_utils.h
View File

@ -18,7 +18,6 @@
struct snd_soc_dai_link;
struct device_node;
int fsl_asoc_get_codec_dev_name(struct device_node *np, char *buf, size_t len);
int fsl_asoc_get_dma_channel(struct device_node *ssi_np, const char *name,
struct snd_soc_dai_link *dai,
unsigned int *dma_channel_id,

13
sound/soc/fsl/mpc8610_hpcd.c
View File

@ -41,7 +41,6 @@ struct mpc8610_hpcd_data {
unsigned int dma_id[2]; /* 0 = DMA1, 1 = DMA2, etc */
unsigned int dma_channel_id[2]; /* 0 = ch 0, 1 = ch 1, etc*/
char codec_dai_name[DAI_NAME_SIZE];
char codec_name[DAI_NAME_SIZE];
char platform_name[2][DAI_NAME_SIZE]; /* One for each DMA channel */
};
@ -215,16 +214,8 @@ static int mpc8610_hpcd_probe(struct platform_device *pdev)
machine_data->dai[0].cpu_dai_name = dev_name(&ssi_pdev->dev);
machine_data->dai[0].ops = &mpc8610_hpcd_ops;
/* Determine the codec name, it will be used as the codec DAI name */
ret = fsl_asoc_get_codec_dev_name(codec_np, machine_data->codec_name,
DAI_NAME_SIZE);
if (ret) {
dev_err(&pdev->dev, "invalid codec node %s\n",
codec_np->full_name);
ret = -EINVAL;
goto error;
}
machine_data->dai[0].codec_name = machine_data->codec_name;
/* ASoC core can match codec with device node */
machine_data->dai[0].codec_of_node = codec_np;
/* The DAI name from the codec (snd_soc_dai_driver.name) */
machine_data->dai[0].codec_dai_name = "cs4270-hifi";

13
sound/soc/fsl/p1022_ds.c
View File

@ -73,7 +73,6 @@ struct machine_data {
unsigned int ssi_id; /* 0 = SSI1, 1 = SSI2, etc */
unsigned int dma_id[2]; /* 0 = DMA1, 1 = DMA2, etc */
unsigned int dma_channel_id[2]; /* 0 = ch 0, 1 = ch 1, etc*/
char codec_name[DAI_NAME_SIZE];
char platform_name[2][DAI_NAME_SIZE]; /* One for each DMA channel */
};
@ -225,16 +224,8 @@ static int p1022_ds_probe(struct platform_device *pdev)
mdata->dai[0].cpu_dai_name = dev_name(&ssi_pdev->dev);
mdata->dai[0].ops = &p1022_ds_ops;
/* Determine the codec name, it will be used as the codec DAI name */
ret = fsl_asoc_get_codec_dev_name(codec_np, mdata->codec_name,
DAI_NAME_SIZE);
if (ret) {
dev_err(&pdev->dev, "invalid codec node %s\n",
codec_np->full_name);
ret = -EINVAL;
goto error;
}
mdata->dai[0].codec_name = mdata->codec_name;
/* ASoC core can match codec with device node */
mdata->dai[0].codec_of_node = codec_np;
/* We register two DAIs per SSI, one for playback and the other for
* capture. We support codecs that have separate DAIs for both playback