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linux-sg2042
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Merge branch 'for-2.6.37' into HEAD

This commit is contained in:
Mark Brown 2010-11-05 09:16:07 -04:00
parent 11e16eb365 6424dca23e
commit a8ea54da5e
9 changed files with 179 additions and 171 deletions
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36
sound/soc/codecs/tlv320dac33.c
View File

@ -58,7 +58,7 @@
(1000000000 / ((rate * 1000) / samples))
#define US_TO_SAMPLES(rate, us) \
(rate / (1000000 / us))
(rate / (1000000 / (us < 1000000 ? us : 1000000)))
#define UTHR_FROM_PERIOD_SIZE(samples, playrate, burstrate) \
((samples * 5000) / ((burstrate * 5000) / (burstrate - playrate)))
@ -200,7 +200,7 @@ static int dac33_read(struct snd_soc_codec *codec, unsigned int reg,
u8 *value)
{
struct tlv320dac33_priv *dac33 = snd_soc_codec_get_drvdata(codec);
int val;
int val, ret = 0;
*value = reg & 0xff;
@ -210,6 +210,7 @@ static int dac33_read(struct snd_soc_codec *codec, unsigned int reg,
if (val < 0) {
dev_err(codec->dev, "Read failed (%d)\n", val);
value[0] = dac33_read_reg_cache(codec, reg);
ret = val;
} else {
value[0] = val;
dac33_write_reg_cache(codec, reg, val);
@ -218,7 +219,7 @@ static int dac33_read(struct snd_soc_codec *codec, unsigned int reg,
value[0] = dac33_read_reg_cache(codec, reg);
}
return 0;
return ret;
}
static int dac33_write(struct snd_soc_codec *codec, unsigned int reg,
@ -329,13 +330,18 @@ static void dac33_init_chip(struct snd_soc_codec *codec)
dac33_read_reg_cache(codec, DAC33_LINER_TO_RLO_VOL));
}
static inline void dac33_read_id(struct snd_soc_codec *codec)
static inline int dac33_read_id(struct snd_soc_codec *codec)
{
int i, ret = 0;
u8 reg;
dac33_read(codec, DAC33_DEVICE_ID_MSB, &reg);
dac33_read(codec, DAC33_DEVICE_ID_LSB, &reg);
dac33_read(codec, DAC33_DEVICE_REV_ID, &reg);
for (i = 0; i < 3; i++) {
ret = dac33_read(codec, DAC33_DEVICE_ID_MSB + i, &reg);
if (ret < 0)
break;
}
return ret;
}
static inline void dac33_soft_power(struct snd_soc_codec *codec, int power)
@ -1076,6 +1082,9 @@ static void dac33_calculate_times(struct snd_pcm_substream *substream)
/* Number of samples under i2c latency */
dac33->alarm_threshold = US_TO_SAMPLES(rate,
dac33->mode1_latency);
nsample_limit = DAC33_BUFFER_SIZE_SAMPLES -
dac33->alarm_threshold;
if (dac33->auto_fifo_config) {
if (period_size <= dac33->alarm_threshold)
/*
@ -1086,6 +1095,8 @@ static void dac33_calculate_times(struct snd_pcm_substream *substream)
((dac33->alarm_threshold / period_size) +
(dac33->alarm_threshold % period_size ?
1 : 0));
else if (period_size > nsample_limit)
dac33->nsample = nsample_limit;
else
dac33->nsample = period_size;
} else {
@ -1097,8 +1108,7 @@ static void dac33_calculate_times(struct snd_pcm_substream *substream)
*/
dac33->nsample_max = substream->runtime->buffer_size -
period_size;
nsample_limit = DAC33_BUFFER_SIZE_SAMPLES -
dac33->alarm_threshold;
if (dac33->nsample_max > nsample_limit)
dac33->nsample_max = nsample_limit;
@ -1414,9 +1424,15 @@ static int dac33_soc_probe(struct snd_soc_codec *codec)
dev_err(codec->dev, "Failed to power up codec: %d\n", ret);
goto err_power;
}
dac33_read_id(codec);
ret = dac33_read_id(codec);
dac33_hard_power(codec, 0);
if (ret < 0) {
dev_err(codec->dev, "Failed to read chip ID: %d\n", ret);
ret = -ENODEV;
goto err_power;
}
/* Check if the IRQ number is valid and request it */
if (dac33->irq >= 0) {
ret = request_irq(dac33->irq, dac33_interrupt_handler,

6
sound/soc/codecs/tpa6130a2.c
View File

@ -119,13 +119,13 @@ static int tpa6130a2_power(int power)
{
struct tpa6130a2_data *data;
u8 val;
int ret;
int ret = 0;
BUG_ON(tpa6130a2_client == NULL);
data = i2c_get_clientdata(tpa6130a2_client);
mutex_lock(&data->mutex);
if (power) {
if (power && !data->power_state) {
/* Power on */
if (data->power_gpio >= 0)
gpio_set_value(data->power_gpio, 1);
@ -153,7 +153,7 @@ static int tpa6130a2_power(int power)
val = tpa6130a2_read(TPA6130A2_REG_CONTROL);
val &= ~TPA6130A2_SWS;
tpa6130a2_i2c_write(TPA6130A2_REG_CONTROL, val);
} else {
} else if (!power && data->power_state) {
/* set SWS */
val = tpa6130a2_read(TPA6130A2_REG_CONTROL);
val |= TPA6130A2_SWS;

5
sound/soc/codecs/wm8962.c
View File

@ -3502,8 +3502,11 @@ static ssize_t wm8962_beep_set(struct device *dev,
{
struct wm8962_priv *wm8962 = dev_get_drvdata(dev);
long int time;
int ret;
strict_strtol(buf, 10, &time);
ret = strict_strtol(buf, 10, &time);
if (ret != 0)
return ret;
input_event(wm8962->beep, EV_SND, SND_TONE, time);

8
sound/soc/imx/eukrea-tlv320.c
View File

@ -34,8 +34,8 @@ static int eukrea_tlv320_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params)
{
struct snd_soc_pcm_runtime *rtd = substream->private_data;
struct snd_soc_dai *codec_dai = rtd->dai->codec_dai;
struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai;
struct snd_soc_dai *codec_dai = rtd->codec_dai;
struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
int ret;
ret = snd_soc_dai_set_fmt(cpu_dai, SND_SOC_DAIFMT_I2S |
@ -79,10 +79,10 @@ static struct snd_soc_ops eukrea_tlv320_snd_ops = {
static struct snd_soc_dai_link eukrea_tlv320_dai = {
.name = "tlv320aic23",
.stream_name = "TLV320AIC23",
.codec_dai = "tlv320aic23-hifi",
.codec_dai_name = "tlv320aic23-hifi",
.platform_name = "imx-pcm-audio.0",
.codec_name = "tlv320aic23-codec.0-001a",
.cpu_dai = "imx-ssi.0",
.cpu_dai_name = "imx-ssi.0",
.ops = &eukrea_tlv320_snd_ops,
};

233
sound/soc/imx/imx-pcm-dma-mx2.c
View File

@ -20,6 +20,7 @@
#include <linux/module.h>
#include <linux/platform_device.h>
#include <linux/slab.h>
#include <linux/dmaengine.h>
#include <sound/core.h>
#include <sound/initval.h>
@ -27,165 +28,146 @@
#include <sound/pcm_params.h>
#include <sound/soc.h>
#include <mach/dma-mx1-mx2.h>
#include <mach/dma.h>
#include "imx-ssi.h"
struct imx_pcm_runtime_data {
int sg_count;
struct scatterlist *sg_list;
int period;
int period_bytes;
int periods;
unsigned long dma_addr;
int dma;
struct snd_pcm_substream *substream;
unsigned long offset;
unsigned long size;
unsigned long period_cnt;
void *buf;
int period_time;
struct dma_async_tx_descriptor *desc;
struct dma_chan *dma_chan;
struct imx_dma_data dma_data;
};
/* Called by the DMA framework when a period has elapsed */
static void imx_ssi_dma_progression(int channel, void *data,
struct scatterlist *sg)
static void audio_dma_irq(void *data)
{
struct snd_pcm_substream *substream = data;
struct snd_pcm_substream *substream = (struct snd_pcm_substream *)data;
struct snd_pcm_runtime *runtime = substream->runtime;
struct imx_pcm_runtime_data *iprtd = runtime->private_data;
if (!sg)
return;
iprtd->offset += iprtd->period_bytes;
iprtd->offset %= iprtd->period_bytes * iprtd->periods;
runtime = iprtd->substream->runtime;
iprtd->offset = sg->dma_address - runtime->dma_addr;
snd_pcm_period_elapsed(iprtd->substream);
snd_pcm_period_elapsed(substream);
}
static void imx_ssi_dma_callback(int channel, void *data)
static bool filter(struct dma_chan *chan, void *param)
{
pr_err("%s shouldn't be called\n", __func__);
struct imx_pcm_runtime_data *iprtd = param;
if (!imx_dma_is_general_purpose(chan))
return false;
chan->private = &iprtd->dma_data;
return true;
}
static void snd_imx_dma_err_callback(int channel, void *data, int err)
{
struct snd_pcm_substream *substream = data;
struct snd_soc_pcm_runtime *rtd = substream->private_data;
struct imx_pcm_dma_params *dma_params =
snd_soc_dai_get_dma_data(rtd->dai->cpu_dai, substream);
struct snd_pcm_runtime *runtime = substream->runtime;
struct imx_pcm_runtime_data *iprtd = runtime->private_data;
int ret;
pr_err("DMA timeout on channel %d -%s%s%s%s\n",
channel,
err & IMX_DMA_ERR_BURST ? " burst" : "",
err & IMX_DMA_ERR_REQUEST ? " request" : "",
err & IMX_DMA_ERR_TRANSFER ? " transfer" : "",
err & IMX_DMA_ERR_BUFFER ? " buffer" : "");
imx_dma_disable(iprtd->dma);
ret = imx_dma_setup_sg(iprtd->dma, iprtd->sg_list, iprtd->sg_count,
IMX_DMA_LENGTH_LOOP, dma_params->dma_addr,
substream->stream == SNDRV_PCM_STREAM_PLAYBACK ?
DMA_MODE_WRITE : DMA_MODE_READ);
if (!ret)
imx_dma_enable(iprtd->dma);
}
static int imx_ssi_dma_alloc(struct snd_pcm_substream *substream)
static int imx_ssi_dma_alloc(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params)
{
struct snd_soc_pcm_runtime *rtd = substream->private_data;
struct imx_pcm_dma_params *dma_params;
struct snd_pcm_runtime *runtime = substream->runtime;
struct imx_pcm_runtime_data *iprtd = runtime->private_data;
struct dma_slave_config slave_config;
dma_cap_mask_t mask;
enum dma_slave_buswidth buswidth;
int ret;
dma_params = snd_soc_dai_get_dma_data(rtd->cpu_dai, substream);
iprtd->dma = imx_dma_request_by_prio(DRV_NAME, DMA_PRIO_HIGH);
if (iprtd->dma < 0) {
pr_err("Failed to claim the audio DMA\n");
return -ENODEV;
iprtd->dma_data.peripheral_type = IMX_DMATYPE_SSI;
iprtd->dma_data.priority = DMA_PRIO_HIGH;
iprtd->dma_data.dma_request = dma_params->dma;
/* Try to grab a DMA channel */
dma_cap_zero(mask);
dma_cap_set(DMA_SLAVE, mask);
iprtd->dma_chan = dma_request_channel(mask, filter, iprtd);
if (!iprtd->dma_chan)
return -EINVAL;
switch (params_format(params)) {
case SNDRV_PCM_FORMAT_S16_LE:
buswidth = DMA_SLAVE_BUSWIDTH_2_BYTES;
break;
case SNDRV_PCM_FORMAT_S20_3LE:
case SNDRV_PCM_FORMAT_S24_LE:
buswidth = DMA_SLAVE_BUSWIDTH_4_BYTES;
break;
default:
return 0;
}
ret = imx_dma_setup_handlers(iprtd->dma,
imx_ssi_dma_callback,
snd_imx_dma_err_callback, substream);
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
slave_config.direction = DMA_TO_DEVICE;
slave_config.dst_addr = dma_params->dma_addr;
slave_config.dst_addr_width = buswidth;
slave_config.dst_maxburst = dma_params->burstsize;
} else {
slave_config.direction = DMA_FROM_DEVICE;
slave_config.src_addr = dma_params->dma_addr;
slave_config.src_addr_width = buswidth;
slave_config.src_maxburst = dma_params->burstsize;
}
ret = dmaengine_slave_config(iprtd->dma_chan, &slave_config);
if (ret)
goto out;
ret = imx_dma_setup_progression_handler(iprtd->dma,
imx_ssi_dma_progression);
if (ret) {
pr_err("Failed to setup the DMA handler\n");
goto out;
}
ret = imx_dma_config_channel(iprtd->dma,
IMX_DMA_MEMSIZE_16 | IMX_DMA_TYPE_FIFO,
IMX_DMA_MEMSIZE_32 | IMX_DMA_TYPE_LINEAR,
dma_params->dma, 1);
if (ret < 0) {
pr_err("Cannot configure DMA channel: %d\n", ret);
goto out;
}
imx_dma_config_burstlen(iprtd->dma, dma_params->burstsize * 2);
return ret;
return 0;
out:
imx_dma_free(iprtd->dma);
return ret;
}
static int snd_imx_pcm_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params)
{
struct snd_soc_pcm_runtime *rtd = substream->private_data;
struct snd_pcm_runtime *runtime = substream->runtime;
struct imx_pcm_runtime_data *iprtd = runtime->private_data;
int i;
unsigned long dma_addr;
struct dma_chan *chan;
struct imx_pcm_dma_params *dma_params;
int ret;
imx_ssi_dma_alloc(substream);
dma_params = snd_soc_dai_get_dma_data(rtd->cpu_dai, substream);
ret = imx_ssi_dma_alloc(substream, params);
if (ret)
return ret;
chan = iprtd->dma_chan;
iprtd->size = params_buffer_bytes(params);
iprtd->periods = params_periods(params);
iprtd->period = params_period_bytes(params);
iprtd->period_bytes = params_period_bytes(params);
iprtd->offset = 0;
iprtd->period_time = HZ / (params_rate(params) /
params_period_size(params));
snd_pcm_set_runtime_buffer(substream, &substream->dma_buffer);
if (iprtd->sg_count != iprtd->periods) {
kfree(iprtd->sg_list);
iprtd->sg_list = kcalloc(iprtd->periods + 1,
sizeof(struct scatterlist), GFP_KERNEL);
if (!iprtd->sg_list)
return -ENOMEM;
iprtd->sg_count = iprtd->periods + 1;
}
sg_init_table(iprtd->sg_list, iprtd->sg_count);
dma_addr = runtime->dma_addr;
for (i = 0; i < iprtd->periods; i++) {
iprtd->sg_list[i].page_link = 0;
iprtd->sg_list[i].offset = 0;
iprtd->sg_list[i].dma_address = dma_addr;
iprtd->sg_list[i].length = iprtd->period;
dma_addr += iprtd->period;
iprtd->buf = (unsigned int *)substream->dma_buffer.area;
iprtd->desc = chan->device->device_prep_dma_cyclic(chan, dma_addr,
iprtd->period_bytes * iprtd->periods,
iprtd->period_bytes,
substream->stream == SNDRV_PCM_STREAM_PLAYBACK ?
DMA_TO_DEVICE : DMA_FROM_DEVICE);
if (!iprtd->desc) {
dev_err(&chan->dev->device, "cannot prepare slave dma\n");
return -EINVAL;
}
/* close the loop */
iprtd->sg_list[iprtd->sg_count - 1].offset = 0;
iprtd->sg_list[iprtd->sg_count - 1].length = 0;
iprtd->sg_list[iprtd->sg_count - 1].page_link =
((unsigned long) iprtd->sg_list | 0x01) & ~0x02;
iprtd->desc->callback = audio_dma_irq;
iprtd->desc->callback_param = substream;
return 0;
}
@ -194,41 +176,21 @@ static int snd_imx_pcm_hw_free(struct snd_pcm_substream *substream)
struct snd_pcm_runtime *runtime = substream->runtime;
struct imx_pcm_runtime_data *iprtd = runtime->private_data;
if (iprtd->dma >= 0) {
imx_dma_free(iprtd->dma);
iprtd->dma = -EINVAL;
if (iprtd->dma_chan) {
dma_release_channel(iprtd->dma_chan);
iprtd->dma_chan = NULL;
}
kfree(iprtd->sg_list);
iprtd->sg_list = NULL;
return 0;
}
static int snd_imx_pcm_prepare(struct snd_pcm_substream *substream)
{
struct snd_pcm_runtime *runtime = substream->runtime;
struct snd_soc_pcm_runtime *rtd = substream->private_data;
struct imx_pcm_dma_params *dma_params;
struct imx_pcm_runtime_data *iprtd = runtime->private_data;
int err;
dma_params = snd_soc_dai_get_dma_data(rtd->cpu_dai, substream);
iprtd->substream = substream;
iprtd->buf = (unsigned int *)substream->dma_buffer.area;
iprtd->period_cnt = 0;
pr_debug("%s: buf: %p period: %d periods: %d\n",
__func__, iprtd->buf, iprtd->period, iprtd->periods);
err = imx_dma_setup_sg(iprtd->dma, iprtd->sg_list, iprtd->sg_count,
IMX_DMA_LENGTH_LOOP, dma_params->dma_addr,
substream->stream == SNDRV_PCM_STREAM_PLAYBACK ?
DMA_MODE_WRITE : DMA_MODE_READ);
if (err)
return err;
return 0;
}
@ -241,14 +203,14 @@ static int snd_imx_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
case SNDRV_PCM_TRIGGER_START:
case SNDRV_PCM_TRIGGER_RESUME:
case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
imx_dma_enable(iprtd->dma);
dmaengine_submit(iprtd->desc);
break;
case SNDRV_PCM_TRIGGER_STOP:
case SNDRV_PCM_TRIGGER_SUSPEND:
case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
imx_dma_disable(iprtd->dma);
dmaengine_terminate_all(iprtd->dma_chan);
break;
default:
@ -263,6 +225,9 @@ static snd_pcm_uframes_t snd_imx_pcm_pointer(struct snd_pcm_substream *substream
struct snd_pcm_runtime *runtime = substream->runtime;
struct imx_pcm_runtime_data *iprtd = runtime->private_data;
pr_debug("%s: %ld %ld\n", __func__, iprtd->offset,
bytes_to_frames(substream->runtime, iprtd->offset));
return bytes_to_frames(substream->runtime, iprtd->offset);
}
@ -279,7 +244,7 @@ static struct snd_pcm_hardware snd_imx_hardware = {
.channels_max = 2,
.buffer_bytes_max = IMX_SSI_DMABUF_SIZE,
.period_bytes_min = 128,
.period_bytes_max = 16 * 1024,
.period_bytes_max = 65535, /* Limited by SDMA engine */
.periods_min = 2,
.periods_max = 255,
.fifo_size = 0,
@ -304,11 +269,23 @@ static int snd_imx_open(struct snd_pcm_substream *substream)
}
snd_soc_set_runtime_hwparams(substream, &snd_imx_hardware);
return 0;
}
static int snd_imx_close(struct snd_pcm_substream *substream)
{
struct snd_pcm_runtime *runtime = substream->runtime;
struct imx_pcm_runtime_data *iprtd = runtime->private_data;
kfree(iprtd);
return 0;
}
static struct snd_pcm_ops imx_pcm_ops = {
.open = snd_imx_open,
.close = snd_imx_close,
.ioctl = snd_pcm_lib_ioctl,
.hw_params = snd_imx_pcm_hw_params,
.hw_free = snd_imx_pcm_hw_free,
@ -340,7 +317,6 @@ static struct platform_driver imx_pcm_driver = {
.name = "imx-pcm-audio",
.owner = THIS_MODULE,
},
.probe = imx_soc_platform_probe,
.remove = __devexit_p(imx_soc_platform_remove),
};
@ -356,4 +332,3 @@ static void __exit snd_imx_pcm_exit(void)
platform_driver_unregister(&imx_pcm_driver);
}
module_exit(snd_imx_pcm_exit);

44
sound/soc/imx/imx-ssi.c
View File

@ -439,7 +439,22 @@ void imx_pcm_free(struct snd_pcm *pcm)
}
EXPORT_SYMBOL_GPL(imx_pcm_free);
static int imx_ssi_dai_probe(struct snd_soc_dai *dai)
{
struct imx_ssi *ssi = dev_get_drvdata(dai->dev);
uint32_t val;
snd_soc_dai_set_drvdata(dai, ssi);
val = SSI_SFCSR_TFWM0(ssi->dma_params_tx.burstsize) |
SSI_SFCSR_RFWM0(ssi->dma_params_rx.burstsize);
writel(val, ssi->base + SSI_SFCSR);
return 0;
}
static struct snd_soc_dai_driver imx_ssi_dai = {
.probe = imx_ssi_dai_probe,
.playback = {
.channels_min = 2,
.channels_max = 2,
@ -455,20 +470,6 @@ static struct snd_soc_dai_driver imx_ssi_dai = {
.ops = &imx_ssi_pcm_dai_ops,
};
static int imx_ssi_dai_probe(struct snd_soc_dai *dai)
{
struct imx_ssi *ssi = dev_get_drvdata(dai->dev);
uint32_t val;
snd_soc_dai_set_drvdata(dai, ssi);
val = SSI_SFCSR_TFWM0(ssi->dma_params_tx.burstsize) |
SSI_SFCSR_RFWM0(ssi->dma_params_rx.burstsize);
writel(val, ssi->base + SSI_SFCSR);
return 0;
}
static struct snd_soc_dai_driver imx_ac97_dai = {
.probe = imx_ssi_dai_probe,
.ac97_control = 1,
@ -677,7 +678,17 @@ static int imx_ssi_probe(struct platform_device *pdev)
goto failed_register;
}
ssi->soc_platform_pdev = platform_device_alloc("imx-fiq-pcm-audio", pdev->id);
ssi->soc_platform_pdev_fiq = platform_device_alloc("imx-fiq-pcm-audio", pdev->id);
if (!ssi->soc_platform_pdev_fiq)
goto failed_pdev_fiq_alloc;
platform_set_drvdata(ssi->soc_platform_pdev_fiq, ssi);
ret = platform_device_add(ssi->soc_platform_pdev_fiq);
if (ret) {
dev_err(&pdev->dev, "failed to add platform device\n");
goto failed_pdev_fiq_add;
}
ssi->soc_platform_pdev = platform_device_alloc("imx-pcm-audio", pdev->id);
if (!ssi->soc_platform_pdev)
goto failed_pdev_alloc;
platform_set_drvdata(ssi->soc_platform_pdev, ssi);
@ -692,6 +703,9 @@ static int imx_ssi_probe(struct platform_device *pdev)
failed_pdev_add:
platform_device_put(ssi->soc_platform_pdev);
failed_pdev_alloc:
failed_pdev_fiq_add:
platform_device_put(ssi->soc_platform_pdev_fiq);
failed_pdev_fiq_alloc:
snd_soc_unregister_dai(&pdev->dev);
failed_register:
failed_ac97:

4
sound/soc/imx/imx-ssi.h
View File

@ -185,6 +185,9 @@
#define DRV_NAME "imx-ssi"
#include <linux/dmaengine.h>
#include <mach/dma.h>
struct imx_pcm_dma_params {
int dma;
unsigned long dma_addr;
@ -212,6 +215,7 @@ struct imx_ssi {
int enabled;
struct platform_device *soc_platform_pdev;
struct platform_device *soc_platform_pdev_fiq;
};
struct snd_soc_platform *imx_ssi_fiq_init(struct platform_device *pdev,

5
sound/soc/imx/phycore-ac97.c
View File

@ -20,9 +20,6 @@
#include <sound/soc-dapm.h>
#include <asm/mach-types.h>
#include "../codecs/wm9712.h"
#include "imx-ssi.h"
static struct snd_soc_card imx_phycore;
static struct snd_soc_ops imx_phycore_hifi_ops = {
@ -41,7 +38,7 @@ static struct snd_soc_dai_link imx_phycore_dai_ac97[] = {
};
static struct snd_soc_card imx_phycore = {
.name = "PhyCORE-audio",
.name = "PhyCORE-ac97-audio",
.dai_link = imx_phycore_dai_ac97,
.num_links = ARRAY_SIZE(imx_phycore_dai_ac97),
};

9
sound/soc/soc-core.c
View File

@ -3062,8 +3062,10 @@ int snd_soc_register_dais(struct device *dev,
for (i = 0; i < count; i++) {
dai = kzalloc(sizeof(struct snd_soc_dai), GFP_KERNEL);
if (dai == NULL)
return -ENOMEM;
if (dai == NULL) {
ret = -ENOMEM;
goto err;
}
/* create DAI component name */
dai->name = fmt_multiple_name(dev, &dai_drv[i]);
@ -3282,9 +3284,6 @@ int snd_soc_register_codec(struct device *dev,
return 0;
error:
for (i--; i >= 0; i--)
snd_soc_unregister_dai(dev);
if (codec->reg_cache)
kfree(codec->reg_cache);
kfree(codec->name);