#include <linux/bitops.h>
#include <linux/debugfs.h>
#include <linux/platform_device.h>
+#include <sound/ac97_codec.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <sound/initval.h>
static DEFINE_MUTEX(pcm_mutex);
-static DEFINE_MUTEX(io_mutex);
static DECLARE_WAIT_QUEUE_HEAD(soc_pm_waitq);
#ifdef CONFIG_DEBUG_FS
return ret;
}
+/* codec register dump */
+static ssize_t soc_codec_reg_show(struct snd_soc_codec *codec, char *buf)
+{
+ int i, step = 1, count = 0;
+
+ if (!codec->reg_cache_size)
+ return 0;
+
+ if (codec->reg_cache_step)
+ step = codec->reg_cache_step;
+
+ count += sprintf(buf, "%s registers\n", codec->name);
+ for (i = 0; i < codec->reg_cache_size; i += step) {
+ if (codec->readable_register && !codec->readable_register(i))
+ continue;
+
+ count += sprintf(buf + count, "%2x: ", i);
+ if (count >= PAGE_SIZE - 1)
+ break;
+
+ if (codec->display_register)
+ count += codec->display_register(codec, buf + count,
+ PAGE_SIZE - count, i);
+ else
+ count += snprintf(buf + count, PAGE_SIZE - count,
+ "%4x", codec->read(codec, i));
+
+ if (count >= PAGE_SIZE - 1)
+ break;
+
+ count += snprintf(buf + count, PAGE_SIZE - count, "\n");
+ if (count >= PAGE_SIZE - 1)
+ break;
+ }
+
+ /* Truncate count; min() would cause a warning */
+ if (count >= PAGE_SIZE)
+ count = PAGE_SIZE - 1;
+
+ return count;
+}
+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->card->codec, buf);
+}
+
+static DEVICE_ATTR(codec_reg, 0444, codec_reg_show, NULL);
+
+static ssize_t pmdown_time_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct snd_soc_device *socdev = dev_get_drvdata(dev);
+ struct snd_soc_card *card = socdev->card;
+
+ return sprintf(buf, "%ld\n", card->pmdown_time);
+}
+
+static ssize_t pmdown_time_set(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf, size_t count)
+{
+ struct snd_soc_device *socdev = dev_get_drvdata(dev);
+ struct snd_soc_card *card = socdev->card;
+
+ strict_strtol(buf, 10, &card->pmdown_time);
+
+ return count;
+}
+
+static DEVICE_ATTR(pmdown_time, 0644, pmdown_time_show, pmdown_time_set);
+
+#ifdef CONFIG_DEBUG_FS
+static int codec_reg_open_file(struct inode *inode, struct file *file)
+{
+ file->private_data = inode->i_private;
+ return 0;
+}
+
+static ssize_t codec_reg_read_file(struct file *file, char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ ssize_t ret;
+ struct snd_soc_codec *codec = file->private_data;
+ char *buf = kmalloc(PAGE_SIZE, GFP_KERNEL);
+ if (!buf)
+ return -ENOMEM;
+ ret = soc_codec_reg_show(codec, buf);
+ if (ret >= 0)
+ ret = simple_read_from_buffer(user_buf, count, ppos, buf, ret);
+ kfree(buf);
+ return ret;
+}
+
+static ssize_t codec_reg_write_file(struct file *file,
+ const char __user *user_buf, size_t count, loff_t *ppos)
+{
+ char buf[32];
+ int buf_size;
+ char *start = buf;
+ unsigned long reg, value;
+ int step = 1;
+ struct snd_soc_codec *codec = file->private_data;
+
+ buf_size = min(count, (sizeof(buf)-1));
+ if (copy_from_user(buf, user_buf, buf_size))
+ return -EFAULT;
+ buf[buf_size] = 0;
+
+ if (codec->reg_cache_step)
+ step = codec->reg_cache_step;
+
+ while (*start == ' ')
+ start++;
+ reg = simple_strtoul(start, &start, 16);
+ if ((reg >= codec->reg_cache_size) || (reg % step))
+ return -EINVAL;
+ while (*start == ' ')
+ start++;
+ if (strict_strtoul(start, 16, &value))
+ return -EINVAL;
+ codec->write(codec, reg, value);
+ return buf_size;
+}
+
+static const struct file_operations codec_reg_fops = {
+ .open = codec_reg_open_file,
+ .read = codec_reg_read_file,
+ .write = codec_reg_write_file,
+};
+
+static void soc_init_codec_debugfs(struct snd_soc_codec *codec)
+{
+ char codec_root[128];
+
+ if (codec->dev)
+ snprintf(codec_root, sizeof(codec_root),
+ "%s.%s", codec->name, dev_name(codec->dev));
+ else
+ snprintf(codec_root, sizeof(codec_root),
+ "%s", codec->name);
+
+ codec->debugfs_codec_root = debugfs_create_dir(codec_root,
+ debugfs_root);
+ if (!codec->debugfs_codec_root) {
+ printk(KERN_WARNING
+ "ASoC: Failed to create codec debugfs directory\n");
+ return;
+ }
+
+ codec->debugfs_reg = debugfs_create_file("codec_reg", 0644,
+ codec->debugfs_codec_root,
+ codec, &codec_reg_fops);
+ if (!codec->debugfs_reg)
+ printk(KERN_WARNING
+ "ASoC: Failed to create codec register debugfs file\n");
+
+ codec->debugfs_pop_time = debugfs_create_u32("dapm_pop_time", 0744,
+ codec->debugfs_codec_root,
+ &codec->pop_time);
+ if (!codec->debugfs_pop_time)
+ printk(KERN_WARNING
+ "Failed to create pop time debugfs file\n");
+
+ codec->debugfs_dapm = debugfs_create_dir("dapm",
+ codec->debugfs_codec_root);
+ if (!codec->debugfs_dapm)
+ printk(KERN_WARNING
+ "Failed to create DAPM debugfs directory\n");
+
+ snd_soc_dapm_debugfs_init(codec);
+}
+
+static void soc_cleanup_codec_debugfs(struct snd_soc_codec *codec)
+{
+ debugfs_remove_recursive(codec->debugfs_codec_root);
+}
+
+#else
+
+static inline void soc_init_codec_debugfs(struct snd_soc_codec *codec)
+{
+}
+
+static inline void soc_cleanup_codec_debugfs(struct snd_soc_codec *codec)
+{
+}
+#endif
+
#ifdef CONFIG_SND_SOC_AC97_BUS
/* unregister ac97 codec */
static int soc_ac97_dev_unregister(struct snd_soc_codec *codec)
/* start delayed pop wq here for playback streams */
codec_dai->pop_wait = 1;
schedule_delayed_work(&card->delayed_work,
- msecs_to_jiffies(pmdown_time));
+ msecs_to_jiffies(card->pmdown_time));
} else {
/* capture streams can be powered down now */
snd_soc_dapm_stream_event(codec,
#ifdef CONFIG_PM
/* powers down audio subsystem for suspend */
-static int soc_suspend(struct platform_device *pdev, pm_message_t state)
+static int soc_suspend(struct device *dev)
{
+ struct platform_device *pdev = to_platform_device(dev);
struct snd_soc_device *socdev = platform_get_drvdata(pdev);
struct snd_soc_card *card = socdev->card;
struct snd_soc_platform *platform = card->platform;
snd_pcm_suspend_all(card->dai_link[i].pcm);
if (card->suspend_pre)
- card->suspend_pre(pdev, state);
+ card->suspend_pre(pdev, PMSG_SUSPEND);
for (i = 0; i < card->num_links; i++) {
struct snd_soc_dai *cpu_dai = card->dai_link[i].cpu_dai;
}
if (codec_dev->suspend)
- codec_dev->suspend(pdev, state);
+ codec_dev->suspend(pdev, PMSG_SUSPEND);
for (i = 0; i < card->num_links; i++) {
struct snd_soc_dai *cpu_dai = card->dai_link[i].cpu_dai;
}
if (card->suspend_post)
- card->suspend_post(pdev, state);
+ card->suspend_post(pdev, PMSG_SUSPEND);
return 0;
}
}
/* powers up audio subsystem after a suspend */
-static int soc_resume(struct platform_device *pdev)
+static int soc_resume(struct device *dev)
{
+ struct platform_device *pdev = to_platform_device(dev);
struct snd_soc_device *socdev = platform_get_drvdata(pdev);
struct snd_soc_card *card = socdev->card;
struct snd_soc_dai *cpu_dai = card->dai_link[0].cpu_dai;
+ /* If the initialization of this soc device failed, there is no codec
+ * associated with it. Just bail out in this case.
+ */
+ if (!card->codec)
+ return 0;
+
/* AC97 devices might have other drivers hanging off them so
* need to resume immediately. Other drivers don't have that
* problem and may take a substantial amount of time to resume
return 0;
}
-
-/**
- * snd_soc_suspend_device: Notify core of device suspend
- *
- * @dev: Device being suspended.
- *
- * In order to ensure that the entire audio subsystem is suspended in a
- * coordinated fashion ASoC devices should suspend themselves when
- * called by ASoC. When the standard kernel suspend process asks the
- * device to suspend it should call this function to initiate a suspend
- * of the entire ASoC card.
- *
- * \note Currently this function is stubbed out.
- */
-int snd_soc_suspend_device(struct device *dev)
-{
- return 0;
-}
-EXPORT_SYMBOL_GPL(snd_soc_suspend_device);
-
-/**
- * snd_soc_resume_device: Notify core of device resume
- *
- * @dev: Device being resumed.
- *
- * In order to ensure that the entire audio subsystem is resumed in a
- * coordinated fashion ASoC devices should resume themselves when called
- * by ASoC. When the standard kernel resume process asks the device
- * to resume it should call this function. Once all the components of
- * the card have notified that they are ready to be resumed the card
- * will be resumed.
- *
- * \note Currently this function is stubbed out.
- */
-int snd_soc_resume_device(struct device *dev)
-{
- return 0;
-}
-EXPORT_SYMBOL_GPL(snd_soc_resume_device);
-
#else
#define soc_suspend NULL
#define soc_resume NULL
#endif
+static struct snd_soc_dai_ops null_dai_ops = {
+};
+
static void snd_soc_instantiate_card(struct snd_soc_card *card)
{
struct platform_device *pdev = container_of(card->dev,
struct platform_device,
dev);
struct snd_soc_codec_device *codec_dev = card->socdev->codec_dev;
+ struct snd_soc_codec *codec;
struct snd_soc_platform *platform;
struct snd_soc_dai *dai;
int i, found, ret, ac97;
ac97 = 1;
}
+ for (i = 0; i < card->num_links; i++) {
+ if (!card->dai_link[i].codec_dai->ops)
+ card->dai_link[i].codec_dai->ops = &null_dai_ops;
+ }
+
/* If we have AC97 in the system then don't wait for the
* codec. This will need revisiting if we have to handle
* systems with mixed AC97 and non-AC97 parts. Only check for
dev_dbg(card->dev, "All components present, instantiating\n");
/* Found everything, bring it up */
+ card->pmdown_time = pmdown_time;
+
if (card->probe) {
ret = card->probe(pdev);
if (ret < 0)
if (ret < 0)
goto cpu_dai_err;
}
+ codec = card->codec;
if (platform->probe) {
ret = platform->probe(pdev);
INIT_WORK(&card->deferred_resume_work, soc_resume_deferred);
#endif
+ for (i = 0; i < card->num_links; i++) {
+ if (card->dai_link[i].init) {
+ ret = card->dai_link[i].init(codec);
+ if (ret < 0) {
+ printk(KERN_ERR "asoc: failed to init %s\n",
+ card->dai_link[i].stream_name);
+ continue;
+ }
+ }
+ if (card->dai_link[i].codec_dai->ac97_control)
+ ac97 = 1;
+ }
+
+ snprintf(codec->card->shortname, sizeof(codec->card->shortname),
+ "%s", card->name);
+ snprintf(codec->card->longname, sizeof(codec->card->longname),
+ "%s (%s)", card->name, codec->name);
+
+ /* Make sure all DAPM widgets are instantiated */
+ snd_soc_dapm_new_widgets(codec);
+
+ ret = snd_card_register(codec->card);
+ if (ret < 0) {
+ printk(KERN_ERR "asoc: failed to register soundcard for %s\n",
+ codec->name);
+ goto card_err;
+ }
+
+ mutex_lock(&codec->mutex);
+#ifdef CONFIG_SND_SOC_AC97_BUS
+ /* Only instantiate AC97 if not already done by the adaptor
+ * for the generic AC97 subsystem.
+ */
+ if (ac97 && strcmp(codec->name, "AC97") != 0) {
+ ret = soc_ac97_dev_register(codec);
+ if (ret < 0) {
+ printk(KERN_ERR "asoc: AC97 device register failed\n");
+ snd_card_free(codec->card);
+ mutex_unlock(&codec->mutex);
+ goto card_err;
+ }
+ }
+#endif
+
+ ret = snd_soc_dapm_sys_add(card->socdev->dev);
+ if (ret < 0)
+ printk(KERN_WARNING "asoc: failed to add dapm sysfs entries\n");
+
+ ret = device_create_file(card->socdev->dev, &dev_attr_pmdown_time);
+ if (ret < 0)
+ printk(KERN_WARNING "asoc: failed to add pmdown_time sysfs\n");
+
+ ret = device_create_file(card->socdev->dev, &dev_attr_codec_reg);
+ if (ret < 0)
+ printk(KERN_WARNING "asoc: failed to add codec sysfs files\n");
+
+ soc_init_codec_debugfs(codec);
+ mutex_unlock(&codec->mutex);
+
card->instantiated = 1;
return;
+card_err:
+ if (platform->remove)
+ platform->remove(pdev);
+
platform_err:
if (codec_dev->remove)
codec_dev->remove(pdev);
return 0;
}
-static void soc_shutdown(struct platform_device *pdev)
+static int soc_poweroff(struct device *dev)
{
+ struct platform_device *pdev = to_platform_device(dev);
struct snd_soc_device *socdev = platform_get_drvdata(pdev);
struct snd_soc_card *card = socdev->card;
if (!card->instantiated)
- return;
+ return 0;
/* Flush out pmdown_time work - we actually do want to run it
* now, we're shutting down so no imminent restart. */
run_delayed_work(&card->delayed_work);
snd_soc_dapm_shutdown(socdev);
+
+ return 0;
}
+static const struct dev_pm_ops soc_pm_ops = {
+ .suspend = soc_suspend,
+ .resume = soc_resume,
+ .poweroff = soc_poweroff,
+};
+
/* ASoC platform driver */
static struct platform_driver soc_driver = {
.driver = {
.name = "soc-audio",
.owner = THIS_MODULE,
+ .pm = &soc_pm_ops,
},
.probe = soc_probe,
.remove = soc_remove,
- .suspend = soc_suspend,
- .resume = soc_resume,
- .shutdown = soc_shutdown,
};
/* create a new pcm */
codec_dai->codec = card->codec;
/* check client and interface hw capabilities */
- sprintf(new_name, "%s %s-%d", dai_link->stream_name, codec_dai->name,
- num);
+ snprintf(new_name, sizeof(new_name), "%s %s-%d",
+ dai_link->stream_name, codec_dai->name, num);
if (codec_dai->playback.channels_min)
playback = 1;
return ret;
}
-/* codec register dump */
-static ssize_t soc_codec_reg_show(struct snd_soc_codec *codec, char *buf)
+/**
+ * snd_soc_codec_volatile_register: Report if a register is volatile.
+ *
+ * @codec: CODEC to query.
+ * @reg: Register to query.
+ *
+ * Boolean function indiciating if a CODEC register is volatile.
+ */
+int snd_soc_codec_volatile_register(struct snd_soc_codec *codec, int reg)
{
- int i, step = 1, count = 0;
-
- if (!codec->reg_cache_size)
+ if (codec->volatile_register)
+ return codec->volatile_register(reg);
+ else
return 0;
-
- if (codec->reg_cache_step)
- step = codec->reg_cache_step;
-
- count += sprintf(buf, "%s registers\n", codec->name);
- for (i = 0; i < codec->reg_cache_size; i += step) {
- count += sprintf(buf + count, "%2x: ", i);
- if (count >= PAGE_SIZE - 1)
- break;
-
- if (codec->display_register)
- count += codec->display_register(codec, buf + count,
- PAGE_SIZE - count, i);
- else
- count += snprintf(buf + count, PAGE_SIZE - count,
- "%4x", codec->read(codec, i));
-
- if (count >= PAGE_SIZE - 1)
- break;
-
- count += snprintf(buf + count, PAGE_SIZE - count, "\n");
- if (count >= PAGE_SIZE - 1)
- break;
- }
-
- /* Truncate count; min() would cause a warning */
- if (count >= PAGE_SIZE)
- count = PAGE_SIZE - 1;
-
- return count;
-}
-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->card->codec, buf);
-}
-
-static DEVICE_ATTR(codec_reg, 0444, codec_reg_show, NULL);
-
-#ifdef CONFIG_DEBUG_FS
-static int codec_reg_open_file(struct inode *inode, struct file *file)
-{
- file->private_data = inode->i_private;
- return 0;
-}
-
-static ssize_t codec_reg_read_file(struct file *file, char __user *user_buf,
- size_t count, loff_t *ppos)
-{
- ssize_t ret;
- struct snd_soc_codec *codec = file->private_data;
- char *buf = kmalloc(PAGE_SIZE, GFP_KERNEL);
- if (!buf)
- return -ENOMEM;
- ret = soc_codec_reg_show(codec, buf);
- if (ret >= 0)
- ret = simple_read_from_buffer(user_buf, count, ppos, buf, ret);
- kfree(buf);
- return ret;
-}
-
-static ssize_t codec_reg_write_file(struct file *file,
- const char __user *user_buf, size_t count, loff_t *ppos)
-{
- char buf[32];
- int buf_size;
- char *start = buf;
- unsigned long reg, value;
- int step = 1;
- struct snd_soc_codec *codec = file->private_data;
-
- buf_size = min(count, (sizeof(buf)-1));
- if (copy_from_user(buf, user_buf, buf_size))
- return -EFAULT;
- buf[buf_size] = 0;
-
- if (codec->reg_cache_step)
- step = codec->reg_cache_step;
-
- while (*start == ' ')
- start++;
- reg = simple_strtoul(start, &start, 16);
- if ((reg >= codec->reg_cache_size) || (reg % step))
- return -EINVAL;
- while (*start == ' ')
- start++;
- if (strict_strtoul(start, 16, &value))
- return -EINVAL;
- codec->write(codec, reg, value);
- return buf_size;
-}
-
-static const struct file_operations codec_reg_fops = {
- .open = codec_reg_open_file,
- .read = codec_reg_read_file,
- .write = codec_reg_write_file,
-};
-
-static void soc_init_codec_debugfs(struct snd_soc_codec *codec)
-{
- codec->debugfs_reg = debugfs_create_file("codec_reg", 0644,
- debugfs_root, codec,
- &codec_reg_fops);
- if (!codec->debugfs_reg)
- printk(KERN_WARNING
- "ASoC: Failed to create codec register debugfs file\n");
-
- codec->debugfs_pop_time = debugfs_create_u32("dapm_pop_time", 0744,
- debugfs_root,
- &codec->pop_time);
- if (!codec->debugfs_pop_time)
- printk(KERN_WARNING
- "Failed to create pop time debugfs file\n");
-}
-
-static void soc_cleanup_codec_debugfs(struct snd_soc_codec *codec)
-{
- debugfs_remove(codec->debugfs_pop_time);
- debugfs_remove(codec->debugfs_reg);
}
-
-#else
-
-static inline void soc_init_codec_debugfs(struct snd_soc_codec *codec)
-{
-}
-
-static inline void soc_cleanup_codec_debugfs(struct snd_soc_codec *codec)
-{
-}
-#endif
+EXPORT_SYMBOL_GPL(snd_soc_codec_volatile_register);
/**
* snd_soc_new_ac97_codec - initailise AC97 device
codec->ac97->bus->ops = ops;
codec->ac97->num = num;
+ codec->dev = &codec->ac97->dev;
mutex_unlock(&codec->mutex);
return 0;
}
int change;
unsigned int old, new;
- mutex_lock(&io_mutex);
old = snd_soc_read(codec, reg);
new = (old & ~mask) | value;
change = old != new;
if (change)
snd_soc_write(codec, reg, new);
- mutex_unlock(&io_mutex);
return change;
}
EXPORT_SYMBOL_GPL(snd_soc_update_bits);
/**
+ * snd_soc_update_bits_locked - update codec register bits
+ * @codec: audio codec
+ * @reg: codec register
+ * @mask: register mask
+ * @value: new value
+ *
+ * Writes new register value, and takes the codec mutex.
+ *
+ * Returns 1 for change else 0.
+ */
+int snd_soc_update_bits_locked(struct snd_soc_codec *codec,
+ unsigned short reg, unsigned int mask,
+ unsigned int value)
+{
+ int change;
+
+ mutex_lock(&codec->mutex);
+ change = snd_soc_update_bits(codec, reg, mask, value);
+ mutex_unlock(&codec->mutex);
+
+ return change;
+}
+EXPORT_SYMBOL_GPL(snd_soc_update_bits_locked);
+
+/**
* snd_soc_test_bits - test register for change
* @codec: audio codec
* @reg: codec register
int change;
unsigned int old, new;
- mutex_lock(&io_mutex);
old = snd_soc_read(codec, reg);
new = (old & ~mask) | value;
change = old != new;
- mutex_unlock(&io_mutex);
return change;
}
mutex_unlock(&codec->mutex);
return ret;
}
- }
-
- mutex_unlock(&codec->mutex);
- return ret;
-}
-EXPORT_SYMBOL_GPL(snd_soc_new_pcms);
-
-/**
- * snd_soc_init_card - register sound card
- * @socdev: the SoC audio device
- *
- * Register a SoC sound card. Also registers an AC97 device if the
- * codec is AC97 for ad hoc devices.
- *
- * Returns 0 for success, else error.
- */
-int snd_soc_init_card(struct snd_soc_device *socdev)
-{
- 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++) {
- if (card->dai_link[i].init) {
- err = card->dai_link[i].init(codec);
- if (err < 0) {
- printk(KERN_ERR "asoc: failed to init %s\n",
- card->dai_link[i].stream_name);
- continue;
- }
+ if (card->dai_link[i].codec_dai->ac97_control) {
+ snd_ac97_dev_add_pdata(codec->ac97,
+ card->dai_link[i].cpu_dai->ac97_pdata);
}
- if (card->dai_link[i].codec_dai->ac97_control)
- ac97 = 1;
- }
- snprintf(codec->card->shortname, sizeof(codec->card->shortname),
- "%s", card->name);
- snprintf(codec->card->longname, sizeof(codec->card->longname),
- "%s (%s)", card->name, codec->name);
-
- /* Make sure all DAPM widgets are instantiated */
- snd_soc_dapm_new_widgets(codec);
-
- ret = snd_card_register(codec->card);
- if (ret < 0) {
- printk(KERN_ERR "asoc: failed to register soundcard for %s\n",
- codec->name);
- goto out;
}
- mutex_lock(&codec->mutex);
-#ifdef CONFIG_SND_SOC_AC97_BUS
- /* Only instantiate AC97 if not already done by the adaptor
- * for the generic AC97 subsystem.
- */
- if (ac97 && strcmp(codec->name, "AC97") != 0) {
- ret = soc_ac97_dev_register(codec);
- if (ret < 0) {
- printk(KERN_ERR "asoc: AC97 device register failed\n");
- snd_card_free(codec->card);
- mutex_unlock(&codec->mutex);
- goto out;
- }
- }
-#endif
-
- err = snd_soc_dapm_sys_add(socdev->dev);
- if (err < 0)
- printk(KERN_WARNING "asoc: failed to add dapm sysfs entries\n");
-
- err = device_create_file(socdev->dev, &dev_attr_codec_reg);
- if (err < 0)
- printk(KERN_WARNING "asoc: failed to add codec sysfs files\n");
-
- soc_init_codec_debugfs(codec);
mutex_unlock(&codec->mutex);
-
-out:
return ret;
}
-EXPORT_SYMBOL_GPL(snd_soc_init_card);
+EXPORT_SYMBOL_GPL(snd_soc_new_pcms);
/**
* snd_soc_free_pcms - free sound card and pcms
mask |= (bitmask - 1) << e->shift_r;
}
- return snd_soc_update_bits(codec, e->reg, mask, val);
+ return snd_soc_update_bits_locked(codec, e->reg, mask, val);
}
EXPORT_SYMBOL_GPL(snd_soc_put_enum_double);
mask |= e->mask << e->shift_r;
}
- return snd_soc_update_bits(codec, e->reg, mask, val);
+ return snd_soc_update_bits_locked(codec, e->reg, mask, val);
}
EXPORT_SYMBOL_GPL(snd_soc_put_value_enum_double);
val_mask |= mask << rshift;
val |= val2 << rshift;
}
- return snd_soc_update_bits(codec, reg, val_mask, val);
+ return snd_soc_update_bits_locked(codec, reg, val_mask, val);
}
EXPORT_SYMBOL_GPL(snd_soc_put_volsw);
val = val << shift;
val2 = val2 << shift;
- err = snd_soc_update_bits(codec, reg, val_mask, val);
+ err = snd_soc_update_bits_locked(codec, reg, val_mask, val);
if (err < 0)
return err;
- err = snd_soc_update_bits(codec, reg2, val_mask, val2);
+ err = snd_soc_update_bits_locked(codec, reg2, val_mask, val2);
return err;
}
EXPORT_SYMBOL_GPL(snd_soc_put_volsw_2r);
val = (ucontrol->value.integer.value[0]+min) & 0xff;
val |= ((ucontrol->value.integer.value[1]+min) & 0xff) << 8;
- return snd_soc_update_bits(codec, reg, 0xffff, val);
+ return snd_soc_update_bits_locked(codec, reg, 0xffff, val);
}
EXPORT_SYMBOL_GPL(snd_soc_put_volsw_s8);
* snd_soc_dai_set_pll - configure DAI PLL.
* @dai: DAI
* @pll_id: DAI specific PLL ID
+ * @source: DAI specific source for the PLL
* @freq_in: PLL input clock frequency in Hz
* @freq_out: requested PLL output clock frequency in Hz
*
* Configures and enables PLL to generate output clock based on input clock.
*/
-int snd_soc_dai_set_pll(struct snd_soc_dai *dai,
- int pll_id, unsigned int freq_in, unsigned int freq_out)
+int snd_soc_dai_set_pll(struct snd_soc_dai *dai, int pll_id, int source,
+ unsigned int freq_in, unsigned int freq_out)
{
if (dai->ops && dai->ops->set_pll)
- return dai->ops->set_pll(dai, pll_id, freq_in, freq_out);
+ return dai->ops->set_pll(dai, pll_id, source,
+ freq_in, freq_out);
else
return -EINVAL;
}
/**
* snd_soc_dai_set_tdm_slot - configure DAI TDM.
* @dai: DAI
- * @mask: DAI specific mask representing used slots.
+ * @tx_mask: bitmask representing active TX slots.
+ * @rx_mask: bitmask representing active RX slots.
* @slots: Number of slots in use.
+ * @slot_width: Width in bits for each slot.
*
* Configures a DAI for TDM operation. Both mask and slots are codec and DAI
* specific.
*/
int snd_soc_dai_set_tdm_slot(struct snd_soc_dai *dai,
- unsigned int mask, int slots)
+ unsigned int tx_mask, unsigned int rx_mask, int slots, int slot_width)
{
if (dai->ops && dai->ops->set_tdm_slot)
- return dai->ops->set_tdm_slot(dai, mask, slots);
+ return dai->ops->set_tdm_slot(dai, tx_mask, rx_mask,
+ slots, slot_width);
else
return -EINVAL;
}
EXPORT_SYMBOL_GPL(snd_soc_dai_set_tdm_slot);
/**
+ * snd_soc_dai_set_channel_map - configure DAI audio channel map
+ * @dai: DAI
+ * @tx_num: how many TX channels
+ * @tx_slot: pointer to an array which imply the TX slot number channel
+ * 0~num-1 uses
+ * @rx_num: how many RX channels
+ * @rx_slot: pointer to an array which imply the RX slot number channel
+ * 0~num-1 uses
+ *
+ * configure the relationship between channel number and TDM slot number.
+ */
+int snd_soc_dai_set_channel_map(struct snd_soc_dai *dai,
+ unsigned int tx_num, unsigned int *tx_slot,
+ unsigned int rx_num, unsigned int *rx_slot)
+{
+ if (dai->ops && dai->ops->set_channel_map)
+ return dai->ops->set_channel_map(dai, tx_num, tx_slot,
+ rx_num, rx_slot);
+ else
+ return -EINVAL;
+}
+EXPORT_SYMBOL_GPL(snd_soc_dai_set_channel_map);
+
+/**
* snd_soc_dai_set_tristate - configure DAI system or master clock.
* @dai: DAI
* @tristate: tristate enable
return 0;
}
-static struct snd_soc_dai_ops null_dai_ops = {
-};
-
/**
* snd_soc_register_dai - Register a DAI with the ASoC core
*
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff