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Diffstat (limited to 'sound/soc/soc-core.c')
-rw-r--r--sound/soc/soc-core.c173
1 files changed, 104 insertions, 69 deletions
diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c
index 637f0d1ea98e..6e710f705a74 100644
--- a/sound/soc/soc-core.c
+++ b/sound/soc/soc-core.c
@@ -133,8 +133,8 @@ static int soc_pcm_open(struct snd_pcm_substream *substream)
mutex_lock(&pcm_mutex);
/* startup the audio subsystem */
- if (cpu_dai->ops.startup) {
- ret = cpu_dai->ops.startup(substream, cpu_dai);
+ if (cpu_dai->ops->startup) {
+ ret = cpu_dai->ops->startup(substream, cpu_dai);
if (ret < 0) {
printk(KERN_ERR "asoc: can't open interface %s\n",
cpu_dai->name);
@@ -150,8 +150,8 @@ static int soc_pcm_open(struct snd_pcm_substream *substream)
}
}
- if (codec_dai->ops.startup) {
- ret = codec_dai->ops.startup(substream, codec_dai);
+ if (codec_dai->ops->startup) {
+ ret = codec_dai->ops->startup(substream, codec_dai);
if (ret < 0) {
printk(KERN_ERR "asoc: can't open codec %s\n",
codec_dai->name);
@@ -234,7 +234,7 @@ static int soc_pcm_open(struct snd_pcm_substream *substream)
cpu_dai->capture.active = codec_dai->capture.active = 1;
cpu_dai->active = codec_dai->active = 1;
cpu_dai->runtime = runtime;
- socdev->codec->active++;
+ card->codec->active++;
mutex_unlock(&pcm_mutex);
return 0;
@@ -247,8 +247,8 @@ codec_dai_err:
platform->pcm_ops->close(substream);
platform_err:
- if (cpu_dai->ops.shutdown)
- cpu_dai->ops.shutdown(substream, cpu_dai);
+ if (cpu_dai->ops->shutdown)
+ cpu_dai->ops->shutdown(substream, cpu_dai);
out:
mutex_unlock(&pcm_mutex);
return ret;
@@ -264,7 +264,7 @@ static void close_delayed_work(struct work_struct *work)
struct snd_soc_card *card = container_of(work, struct snd_soc_card,
delayed_work.work);
struct snd_soc_device *socdev = card->socdev;
- struct snd_soc_codec *codec = socdev->codec;
+ struct snd_soc_codec *codec = card->codec;
struct snd_soc_dai *codec_dai;
int i;
@@ -319,7 +319,7 @@ static int soc_codec_close(struct snd_pcm_substream *substream)
struct snd_soc_platform *platform = card->platform;
struct snd_soc_dai *cpu_dai = machine->cpu_dai;
struct snd_soc_dai *codec_dai = machine->codec_dai;
- struct snd_soc_codec *codec = socdev->codec;
+ struct snd_soc_codec *codec = card->codec;
mutex_lock(&pcm_mutex);
@@ -340,11 +340,11 @@ static int soc_codec_close(struct snd_pcm_substream *substream)
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
snd_soc_dai_digital_mute(codec_dai, 1);
- if (cpu_dai->ops.shutdown)
- cpu_dai->ops.shutdown(substream, cpu_dai);
+ if (cpu_dai->ops->shutdown)
+ cpu_dai->ops->shutdown(substream, cpu_dai);
- if (codec_dai->ops.shutdown)
- codec_dai->ops.shutdown(substream, codec_dai);
+ if (codec_dai->ops->shutdown)
+ codec_dai->ops->shutdown(substream, codec_dai);
if (machine->ops && machine->ops->shutdown)
machine->ops->shutdown(substream);
@@ -387,7 +387,7 @@ static int soc_pcm_prepare(struct snd_pcm_substream *substream)
struct snd_soc_platform *platform = card->platform;
struct snd_soc_dai *cpu_dai = machine->cpu_dai;
struct snd_soc_dai *codec_dai = machine->codec_dai;
- struct snd_soc_codec *codec = socdev->codec;
+ struct snd_soc_codec *codec = card->codec;
int ret = 0;
mutex_lock(&pcm_mutex);
@@ -408,16 +408,16 @@ static int soc_pcm_prepare(struct snd_pcm_substream *substream)
}
}
- if (codec_dai->ops.prepare) {
- ret = codec_dai->ops.prepare(substream, codec_dai);
+ if (codec_dai->ops->prepare) {
+ ret = codec_dai->ops->prepare(substream, codec_dai);
if (ret < 0) {
printk(KERN_ERR "asoc: codec DAI prepare error\n");
goto out;
}
}
- if (cpu_dai->ops.prepare) {
- ret = cpu_dai->ops.prepare(substream, cpu_dai);
+ if (cpu_dai->ops->prepare) {
+ ret = cpu_dai->ops->prepare(substream, cpu_dai);
if (ret < 0) {
printk(KERN_ERR "asoc: cpu DAI prepare error\n");
goto out;
@@ -494,8 +494,8 @@ static int soc_pcm_hw_params(struct snd_pcm_substream *substream,
}
}
- if (codec_dai->ops.hw_params) {
- ret = codec_dai->ops.hw_params(substream, params, codec_dai);
+ if (codec_dai->ops->hw_params) {
+ ret = codec_dai->ops->hw_params(substream, params, codec_dai);
if (ret < 0) {
printk(KERN_ERR "asoc: can't set codec %s hw params\n",
codec_dai->name);
@@ -503,8 +503,8 @@ static int soc_pcm_hw_params(struct snd_pcm_substream *substream,
}
}
- if (cpu_dai->ops.hw_params) {
- ret = cpu_dai->ops.hw_params(substream, params, cpu_dai);
+ if (cpu_dai->ops->hw_params) {
+ ret = cpu_dai->ops->hw_params(substream, params, cpu_dai);
if (ret < 0) {
printk(KERN_ERR "asoc: interface %s hw params failed\n",
cpu_dai->name);
@@ -526,12 +526,12 @@ out:
return ret;
platform_err:
- if (cpu_dai->ops.hw_free)
- cpu_dai->ops.hw_free(substream, cpu_dai);
+ if (cpu_dai->ops->hw_free)
+ cpu_dai->ops->hw_free(substream, cpu_dai);
interface_err:
- if (codec_dai->ops.hw_free)
- codec_dai->ops.hw_free(substream, codec_dai);
+ if (codec_dai->ops->hw_free)
+ codec_dai->ops->hw_free(substream, codec_dai);
codec_err:
if (machine->ops && machine->ops->hw_free)
@@ -553,7 +553,7 @@ static int soc_pcm_hw_free(struct snd_pcm_substream *substream)
struct snd_soc_platform *platform = card->platform;
struct snd_soc_dai *cpu_dai = machine->cpu_dai;
struct snd_soc_dai *codec_dai = machine->codec_dai;
- struct snd_soc_codec *codec = socdev->codec;
+ struct snd_soc_codec *codec = card->codec;
mutex_lock(&pcm_mutex);
@@ -570,11 +570,11 @@ static int soc_pcm_hw_free(struct snd_pcm_substream *substream)
platform->pcm_ops->hw_free(substream);
/* now free hw params for the DAI's */
- if (codec_dai->ops.hw_free)
- codec_dai->ops.hw_free(substream, codec_dai);
+ if (codec_dai->ops->hw_free)
+ codec_dai->ops->hw_free(substream, codec_dai);
- if (cpu_dai->ops.hw_free)
- cpu_dai->ops.hw_free(substream, cpu_dai);
+ if (cpu_dai->ops->hw_free)
+ cpu_dai->ops->hw_free(substream, cpu_dai);
mutex_unlock(&pcm_mutex);
return 0;
@@ -591,8 +591,8 @@ static int soc_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
struct snd_soc_dai *codec_dai = machine->codec_dai;
int ret;
- if (codec_dai->ops.trigger) {
- ret = codec_dai->ops.trigger(substream, cmd, codec_dai);
+ if (codec_dai->ops->trigger) {
+ ret = codec_dai->ops->trigger(substream, cmd, codec_dai);
if (ret < 0)
return ret;
}
@@ -603,8 +603,8 @@ static int soc_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
return ret;
}
- if (cpu_dai->ops.trigger) {
- ret = cpu_dai->ops.trigger(substream, cmd, cpu_dai);
+ if (cpu_dai->ops->trigger) {
+ ret = cpu_dai->ops->trigger(substream, cmd, cpu_dai);
if (ret < 0)
return ret;
}
@@ -629,7 +629,7 @@ static int soc_suspend(struct platform_device *pdev, pm_message_t state)
struct snd_soc_card *card = socdev->card;
struct snd_soc_platform *platform = card->platform;
struct snd_soc_codec_device *codec_dev = socdev->codec_dev;
- struct snd_soc_codec *codec = socdev->codec;
+ struct snd_soc_codec *codec = card->codec;
int i;
/* Due to the resume being scheduled into a workqueue we could
@@ -645,8 +645,8 @@ static int soc_suspend(struct platform_device *pdev, pm_message_t state)
/* mute any active DAC's */
for (i = 0; i < card->num_links; i++) {
struct snd_soc_dai *dai = card->dai_link[i].codec_dai;
- if (dai->ops.digital_mute && dai->playback.active)
- dai->ops.digital_mute(dai, 1);
+ if (dai->ops->digital_mute && dai->playback.active)
+ dai->ops->digital_mute(dai, 1);
}
/* suspend all pcms */
@@ -705,7 +705,7 @@ static void soc_resume_deferred(struct work_struct *work)
struct snd_soc_device *socdev = card->socdev;
struct snd_soc_platform *platform = card->platform;
struct snd_soc_codec_device *codec_dev = socdev->codec_dev;
- struct snd_soc_codec *codec = socdev->codec;
+ struct snd_soc_codec *codec = card->codec;
struct platform_device *pdev = to_platform_device(socdev->dev);
int i;
@@ -741,8 +741,8 @@ static void soc_resume_deferred(struct work_struct *work)
/* unmute any active DACs */
for (i = 0; i < card->num_links; i++) {
struct snd_soc_dai *dai = card->dai_link[i].codec_dai;
- if (dai->ops.digital_mute && dai->playback.active)
- dai->ops.digital_mute(dai, 0);
+ if (dai->ops->digital_mute && dai->playback.active)
+ dai->ops->digital_mute(dai, 0);
}
for (i = 0; i < card->num_links; i++) {
@@ -982,8 +982,8 @@ static struct platform_driver soc_driver = {
static int soc_new_pcm(struct snd_soc_device *socdev,
struct snd_soc_dai_link *dai_link, int num)
{
- struct snd_soc_codec *codec = socdev->codec;
struct snd_soc_card *card = socdev->card;
+ struct snd_soc_codec *codec = card->codec;
struct snd_soc_platform *platform = card->platform;
struct snd_soc_dai *codec_dai = dai_link->codec_dai;
struct snd_soc_dai *cpu_dai = dai_link->cpu_dai;
@@ -998,7 +998,7 @@ static int soc_new_pcm(struct snd_soc_device *socdev,
rtd->dai = dai_link;
rtd->socdev = socdev;
- codec_dai->codec = socdev->codec;
+ codec_dai->codec = card->codec;
/* check client and interface hw capabilities */
sprintf(new_name, "%s %s-%d", dai_link->stream_name, codec_dai->name,
@@ -1048,9 +1048,8 @@ static int soc_new_pcm(struct snd_soc_device *socdev,
}
/* codec register dump */
-static ssize_t soc_codec_reg_show(struct snd_soc_device *devdata, char *buf)
+static ssize_t soc_codec_reg_show(struct snd_soc_codec *codec, char *buf)
{
- struct snd_soc_codec *codec = devdata->codec;
int i, step = 1, count = 0;
if (!codec->reg_cache_size)
@@ -1090,7 +1089,7 @@ static ssize_t codec_reg_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct snd_soc_device *devdata = dev_get_drvdata(dev);
- return soc_codec_reg_show(devdata, buf);
+ return soc_codec_reg_show(devdata->card->codec, buf);
}
static DEVICE_ATTR(codec_reg, 0444, codec_reg_show, NULL);
@@ -1107,12 +1106,10 @@ static ssize_t codec_reg_read_file(struct file *file, char __user *user_buf,
{
ssize_t ret;
struct snd_soc_codec *codec = file->private_data;
- struct device *card_dev = codec->card->dev;
- struct snd_soc_device *devdata = card_dev->driver_data;
char *buf = kmalloc(PAGE_SIZE, GFP_KERNEL);
if (!buf)
return -ENOMEM;
- ret = soc_codec_reg_show(devdata, buf);
+ ret = soc_codec_reg_show(codec, buf);
if (ret >= 0)
ret = simple_read_from_buffer(user_buf, count, ppos, buf, ret);
kfree(buf);
@@ -1309,8 +1306,8 @@ EXPORT_SYMBOL_GPL(snd_soc_test_bits);
*/
int snd_soc_new_pcms(struct snd_soc_device *socdev, int idx, const char *xid)
{
- struct snd_soc_codec *codec = socdev->codec;
struct snd_soc_card *card = socdev->card;
+ struct snd_soc_codec *codec = card->codec;
int ret, i;
mutex_lock(&codec->mutex);
@@ -1355,8 +1352,8 @@ EXPORT_SYMBOL_GPL(snd_soc_new_pcms);
*/
int snd_soc_init_card(struct snd_soc_device *socdev)
{
- struct snd_soc_codec *codec = socdev->codec;
struct snd_soc_card *card = socdev->card;
+ struct snd_soc_codec *codec = card->codec;
int ret = 0, i, ac97 = 0, err = 0;
for (i = 0; i < card->num_links; i++) {
@@ -1407,7 +1404,7 @@ int snd_soc_init_card(struct snd_soc_device *socdev)
if (err < 0)
printk(KERN_WARNING "asoc: failed to add codec sysfs files\n");
- soc_init_codec_debugfs(socdev->codec);
+ soc_init_codec_debugfs(codec);
mutex_unlock(&codec->mutex);
out:
@@ -1424,18 +1421,19 @@ EXPORT_SYMBOL_GPL(snd_soc_init_card);
*/
void snd_soc_free_pcms(struct snd_soc_device *socdev)
{
- struct snd_soc_codec *codec = socdev->codec;
+ struct snd_soc_codec *codec = socdev->card->codec;
#ifdef CONFIG_SND_SOC_AC97_BUS
struct snd_soc_dai *codec_dai;
int i;
#endif
mutex_lock(&codec->mutex);
- soc_cleanup_codec_debugfs(socdev->codec);
+ soc_cleanup_codec_debugfs(codec);
#ifdef CONFIG_SND_SOC_AC97_BUS
for (i = 0; i < codec->num_dai; i++) {
codec_dai = &codec->dai[i];
- if (codec_dai->ac97_control && codec->ac97) {
+ if (codec_dai->ac97_control && codec->ac97 &&
+ strcmp(codec->name, "AC97") != 0) {
soc_ac97_dev_unregister(codec);
goto free_card;
}
@@ -1498,6 +1496,37 @@ struct snd_kcontrol *snd_soc_cnew(const struct snd_kcontrol_new *_template,
EXPORT_SYMBOL_GPL(snd_soc_cnew);
/**
+ * snd_soc_add_controls - add an array of controls to a codec.
+ * Convienience function to add a list of controls. Many codecs were
+ * duplicating this code.
+ *
+ * @codec: codec to add controls to
+ * @controls: array of controls to add
+ * @num_controls: number of elements in the array
+ *
+ * Return 0 for success, else error.
+ */
+int snd_soc_add_controls(struct snd_soc_codec *codec,
+ const struct snd_kcontrol_new *controls, int num_controls)
+{
+ struct snd_card *card = codec->card;
+ int err, i;
+
+ for (i = 0; i < num_controls; i++) {
+ const struct snd_kcontrol_new *control = &controls[i];
+ err = snd_ctl_add(card, snd_soc_cnew(control, codec, NULL));
+ if (err < 0) {
+ dev_err(codec->dev, "%s: Failed to add %s\n",
+ codec->name, control->name);
+ return err;
+ }
+ }
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(snd_soc_add_controls);
+
+/**
* snd_soc_info_enum_double - enumerated double mixer info callback
* @kcontrol: mixer control
* @uinfo: control element information
@@ -2023,8 +2052,8 @@ EXPORT_SYMBOL_GPL(snd_soc_put_volsw_s8);
int snd_soc_dai_set_sysclk(struct snd_soc_dai *dai, int clk_id,
unsigned int freq, int dir)
{
- if (dai->ops.set_sysclk)
- return dai->ops.set_sysclk(dai, clk_id, freq, dir);
+ if (dai->ops->set_sysclk)
+ return dai->ops->set_sysclk(dai, clk_id, freq, dir);
else
return -EINVAL;
}
@@ -2043,8 +2072,8 @@ EXPORT_SYMBOL_GPL(snd_soc_dai_set_sysclk);
int snd_soc_dai_set_clkdiv(struct snd_soc_dai *dai,
int div_id, int div)
{
- if (dai->ops.set_clkdiv)
- return dai->ops.set_clkdiv(dai, div_id, div);
+ if (dai->ops->set_clkdiv)
+ return dai->ops->set_clkdiv(dai, div_id, div);
else
return -EINVAL;
}
@@ -2062,8 +2091,8 @@ EXPORT_SYMBOL_GPL(snd_soc_dai_set_clkdiv);
int snd_soc_dai_set_pll(struct snd_soc_dai *dai,
int pll_id, unsigned int freq_in, unsigned int freq_out)
{
- if (dai->ops.set_pll)
- return dai->ops.set_pll(dai, pll_id, freq_in, freq_out);
+ if (dai->ops->set_pll)
+ return dai->ops->set_pll(dai, pll_id, freq_in, freq_out);
else
return -EINVAL;
}
@@ -2078,8 +2107,8 @@ EXPORT_SYMBOL_GPL(snd_soc_dai_set_pll);
*/
int snd_soc_dai_set_fmt(struct snd_soc_dai *dai, unsigned int fmt)
{
- if (dai->ops.set_fmt)
- return dai->ops.set_fmt(dai, fmt);
+ if (dai->ops->set_fmt)
+ return dai->ops->set_fmt(dai, fmt);
else
return -EINVAL;
}
@@ -2097,8 +2126,8 @@ EXPORT_SYMBOL_GPL(snd_soc_dai_set_fmt);
int snd_soc_dai_set_tdm_slot(struct snd_soc_dai *dai,
unsigned int mask, int slots)
{
- if (dai->ops.set_sysclk)
- return dai->ops.set_tdm_slot(dai, mask, slots);
+ if (dai->ops->set_sysclk)
+ return dai->ops->set_tdm_slot(dai, mask, slots);
else
return -EINVAL;
}
@@ -2113,8 +2142,8 @@ EXPORT_SYMBOL_GPL(snd_soc_dai_set_tdm_slot);
*/
int snd_soc_dai_set_tristate(struct snd_soc_dai *dai, int tristate)
{
- if (dai->ops.set_sysclk)
- return dai->ops.set_tristate(dai, tristate);
+ if (dai->ops->set_sysclk)
+ return dai->ops->set_tristate(dai, tristate);
else
return -EINVAL;
}
@@ -2129,8 +2158,8 @@ EXPORT_SYMBOL_GPL(snd_soc_dai_set_tristate);
*/
int snd_soc_dai_digital_mute(struct snd_soc_dai *dai, int mute)
{
- if (dai->ops.digital_mute)
- return dai->ops.digital_mute(dai, mute);
+ if (dai->ops->digital_mute)
+ return dai->ops->digital_mute(dai, mute);
else
return -EINVAL;
}
@@ -2183,6 +2212,9 @@ static int snd_soc_unregister_card(struct snd_soc_card *card)
return 0;
}
+static struct snd_soc_dai_ops null_dai_ops = {
+};
+
/**
* snd_soc_register_dai - Register a DAI with the ASoC core
*
@@ -2197,6 +2229,9 @@ int snd_soc_register_dai(struct snd_soc_dai *dai)
if (!dai->dev)
printk(KERN_WARNING "No device for DAI %s\n", dai->name);
+ if (!dai->ops)
+ dai->ops = &null_dai_ops;
+
INIT_LIST_HEAD(&dai->list);
mutex_lock(&client_mutex);
generated by cgit v1.2.3-58-ga151 (git 2.39.0) at 2024-12-28 02:04:09 +0000