ASoC: fsl: remove helper fsl_asoc_get_codec_dev_name
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>
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8f549d7e77
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@ -12,54 +12,10 @@
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#include <linux/module.h>
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#include <linux/of_address.h>
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#include <linux/of_i2c.h>
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#include <sound/soc.h>
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#include "fsl_utils.h"
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/**
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* fsl_asoc_get_codec_dev_name - determine the dev_name for a codec node
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*
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* @np: pointer to the I2C device tree node
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* @buf: buffer to be filled with the dev_name of the I2C device
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* @len: the length of the buffer
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*
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* This function determines the dev_name for an I2C node. This is the name
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* that would be returned by dev_name() if this device_node were part of a
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* 'struct device' It's ugly and hackish, but it works.
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*
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* The dev_name for such devices include the bus number and I2C address. For
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* example, "cs4270.0-004f".
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*/
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int fsl_asoc_get_codec_dev_name(struct device_node *np, char *buf, size_t len)
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{
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const u32 *iprop;
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u32 addr;
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char temp[DAI_NAME_SIZE];
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struct i2c_client *i2c;
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of_modalias_node(np, temp, DAI_NAME_SIZE);
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iprop = of_get_property(np, "reg", NULL);
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if (!iprop)
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return -EINVAL;
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addr = be32_to_cpup(iprop);
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/* We need the adapter number */
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i2c = of_find_i2c_device_by_node(np);
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if (!i2c) {
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put_device(&i2c->dev);
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return -ENODEV;
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}
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snprintf(buf, len, "%s.%u-%04x", temp, i2c->adapter->nr, addr);
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put_device(&i2c->dev);
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return 0;
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}
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EXPORT_SYMBOL(fsl_asoc_get_codec_dev_name);
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/**
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* fsl_asoc_get_dma_channel - determine the dma channel for a SSI node
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*
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@ -18,7 +18,6 @@
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struct snd_soc_dai_link;
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struct device_node;
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int fsl_asoc_get_codec_dev_name(struct device_node *np, char *buf, size_t len);
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int fsl_asoc_get_dma_channel(struct device_node *ssi_np, const char *name,
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struct snd_soc_dai_link *dai,
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unsigned int *dma_channel_id,
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@ -41,7 +41,6 @@ struct mpc8610_hpcd_data {
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unsigned int dma_id[2]; /* 0 = DMA1, 1 = DMA2, etc */
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unsigned int dma_channel_id[2]; /* 0 = ch 0, 1 = ch 1, etc*/
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char codec_dai_name[DAI_NAME_SIZE];
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char codec_name[DAI_NAME_SIZE];
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char platform_name[2][DAI_NAME_SIZE]; /* One for each DMA channel */
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};
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@ -215,16 +214,8 @@ static int mpc8610_hpcd_probe(struct platform_device *pdev)
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machine_data->dai[0].cpu_dai_name = dev_name(&ssi_pdev->dev);
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machine_data->dai[0].ops = &mpc8610_hpcd_ops;
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/* Determine the codec name, it will be used as the codec DAI name */
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ret = fsl_asoc_get_codec_dev_name(codec_np, machine_data->codec_name,
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DAI_NAME_SIZE);
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if (ret) {
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dev_err(&pdev->dev, "invalid codec node %s\n",
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codec_np->full_name);
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ret = -EINVAL;
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goto error;
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}
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machine_data->dai[0].codec_name = machine_data->codec_name;
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/* ASoC core can match codec with device node */
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machine_data->dai[0].codec_of_node = codec_np;
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/* The DAI name from the codec (snd_soc_dai_driver.name) */
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machine_data->dai[0].codec_dai_name = "cs4270-hifi";
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@ -73,7 +73,6 @@ struct machine_data {
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unsigned int ssi_id; /* 0 = SSI1, 1 = SSI2, etc */
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unsigned int dma_id[2]; /* 0 = DMA1, 1 = DMA2, etc */
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unsigned int dma_channel_id[2]; /* 0 = ch 0, 1 = ch 1, etc*/
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char codec_name[DAI_NAME_SIZE];
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char platform_name[2][DAI_NAME_SIZE]; /* One for each DMA channel */
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};
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@ -225,16 +224,8 @@ static int p1022_ds_probe(struct platform_device *pdev)
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mdata->dai[0].cpu_dai_name = dev_name(&ssi_pdev->dev);
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mdata->dai[0].ops = &p1022_ds_ops;
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/* Determine the codec name, it will be used as the codec DAI name */
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ret = fsl_asoc_get_codec_dev_name(codec_np, mdata->codec_name,
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DAI_NAME_SIZE);
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if (ret) {
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dev_err(&pdev->dev, "invalid codec node %s\n",
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codec_np->full_name);
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ret = -EINVAL;
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goto error;
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}
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mdata->dai[0].codec_name = mdata->codec_name;
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/* ASoC core can match codec with device node */
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mdata->dai[0].codec_of_node = codec_np;
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/* We register two DAIs per SSI, one for playback and the other for
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* capture. We support codecs that have separate DAIs for both playback
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