module_param(pmdown_time, int, 0);
MODULE_PARM_DESC(pmdown_time, "DAPM stream powerdown time (msecs)");
+/* returns the minimum number of bytes needed to represent
+ * a particular given value */
+static int min_bytes_needed(unsigned long val)
+{
+ int c = 0;
+ int i;
+
+ for (i = (sizeof val * 8) - 1; i >= 0; --i, ++c)
+ if (val & (1UL << i))
+ break;
+ c = (sizeof val * 8) - c;
+ if (!c || (c % 8))
+ c = (c + 8) / 8;
+ else
+ c /= 8;
+ return c;
+}
+
/* codec register dump */
static ssize_t soc_codec_reg_show(struct snd_soc_codec *codec, char *buf)
{
int ret, i, step = 1, count = 0;
+ int wordsize, regsize;
+
+ wordsize = codec->driver->reg_word_size * 2;
+ regsize = min_bytes_needed(codec->driver->reg_cache_size) * 2;
if (!codec->driver->reg_cache_size)
return 0;
if (codec->driver->reg_cache_step)
step = codec->driver->reg_cache_step;
- count += sprintf(buf, "%s registers\n", codec->name);
for (i = 0; i < codec->driver->reg_cache_size; i += step) {
if (codec->readable_register && !codec->readable_register(codec, i))
continue;
- count += sprintf(buf + count, "%2x: ", i);
+ count += sprintf(buf + count, "%.*x: ", regsize, i);
if (count >= PAGE_SIZE - 1)
break;
if (ret >= 0)
count += snprintf(buf + count,
PAGE_SIZE - count,
- "%4x", ret);
+ "%.*x", wordsize, ret);
else
count += snprintf(buf + count,
PAGE_SIZE - count,
return;
}
+ debugfs_create_bool("cache_sync", 0444, codec->debugfs_codec_root,
+ &codec->cache_sync);
+ debugfs_create_bool("cache_only", 0444, codec->debugfs_codec_root,
+ &codec->cache_only);
+
codec->debugfs_reg = debugfs_create_file("codec_reg", 0644,
codec->debugfs_codec_root,
codec, &codec_reg_fops);
.pointer = soc_pcm_pointer,
};
-#ifdef CONFIG_PM
+#ifdef CONFIG_PM_SLEEP
/* powers down audio subsystem for suspend */
-static int soc_suspend(struct device *dev)
+int snd_soc_suspend(struct device *dev)
{
- struct platform_device *pdev = to_platform_device(dev);
- struct snd_soc_card *card = platform_get_drvdata(pdev);
+ struct snd_soc_card *card = dev_get_drvdata(dev);
struct snd_soc_codec *codec;
int i;
}
if (card->suspend_pre)
- card->suspend_pre(pdev, PMSG_SUSPEND);
+ card->suspend_pre(card);
for (i = 0; i < card->num_rtd; i++) {
struct snd_soc_dai *cpu_dai = card->rtd[i].cpu_dai;
}
if (card->suspend_post)
- card->suspend_post(pdev, PMSG_SUSPEND);
+ card->suspend_post(card);
return 0;
}
+EXPORT_SYMBOL_GPL(snd_soc_suspend);
/* deferred resume work, so resume can complete before we finished
* setting our codec back up, which can be very slow on I2C
{
struct snd_soc_card *card =
container_of(work, struct snd_soc_card, deferred_resume_work);
- struct platform_device *pdev = to_platform_device(card->dev);
struct snd_soc_codec *codec;
int i;
snd_power_change_state(card->snd_card, SNDRV_CTL_POWER_D2);
if (card->resume_pre)
- card->resume_pre(pdev);
+ card->resume_pre(card);
/* resume AC97 DAIs */
for (i = 0; i < card->num_rtd; i++) {
}
if (card->resume_post)
- card->resume_post(pdev);
+ card->resume_post(card);
dev_dbg(card->dev, "resume work completed\n");
}
/* powers up audio subsystem after a suspend */
-static int soc_resume(struct device *dev)
+int snd_soc_resume(struct device *dev)
{
- struct platform_device *pdev = to_platform_device(dev);
- struct snd_soc_card *card = platform_get_drvdata(pdev);
+ struct snd_soc_card *card = dev_get_drvdata(dev);
int i;
/* AC97 devices might have other drivers hanging off them so
return 0;
}
+EXPORT_SYMBOL_GPL(snd_soc_resume);
#else
-#define soc_suspend NULL
-#define soc_resume NULL
+#define snd_soc_suspend NULL
+#define snd_soc_resume NULL
#endif
static struct snd_soc_dai_ops null_dai_ops = {
codec->dapm.card = card;
soc_set_name_prefix(card, codec);
+ if (!try_module_get(codec->dev->driver->owner))
+ return -ENODEV;
+
if (codec->driver->probe) {
ret = codec->driver->probe(codec);
if (ret < 0) {
dev_err(codec->dev,
"asoc: failed to probe CODEC %s: %d\n",
codec->name, ret);
- return ret;
+ goto err_probe;
}
}
soc_init_codec_debugfs(codec);
/* mark codec as probed and add to card codec list */
- if (!try_module_get(codec->dev->driver->owner))
- return -ENODEV;
-
codec->probed = 1;
list_add(&codec->card_list, &card->codec_dev_list);
list_add(&codec->dapm.list, &card->dapm_list);
+ return 0;
+
+err_probe:
+ module_put(codec->dev->driver->owner);
+
return ret;
}
/* probe the platform */
if (!platform->probed) {
+ if (!try_module_get(platform->dev->driver->owner))
+ return -ENODEV;
+
if (platform->driver->probe) {
ret = platform->driver->probe(platform);
if (ret < 0) {
printk(KERN_ERR "asoc: failed to probe platform %s\n",
platform->name);
+ module_put(platform->dev->driver->owner);
return ret;
}
}
/* mark platform as probed and add to card platform list */
-
- if (!try_module_get(platform->dev->driver->owner))
- return -ENODEV;
-
platform->probed = 1;
list_add(&platform->card_list, &card->platform_dev_list);
}
goto out;
found:
- if (!try_module_get(codec->dev->driver->owner))
- return -ENODEV;
-
ret = soc_probe_codec(card, codec);
if (ret < 0)
return ret;
static void snd_soc_instantiate_card(struct snd_soc_card *card)
{
- struct platform_device *pdev = to_platform_device(card->dev);
struct snd_soc_codec *codec;
struct snd_soc_codec_conf *codec_conf;
enum snd_soc_compress_type compress_type;
}
card->snd_card->dev = card->dev;
-#ifdef CONFIG_PM
+#ifdef CONFIG_PM_SLEEP
/* deferred resume work */
INIT_WORK(&card->deferred_resume_work, soc_resume_deferred);
#endif
/* initialise the sound card only once */
if (card->probe) {
- ret = card->probe(pdev);
+ ret = card->probe(card);
if (ret < 0)
goto card_probe_error;
}
card_probe_error:
if (card->remove)
- card->remove(pdev);
+ card->remove(card);
snd_card_free(card->snd_card);
/* Bodge while we unpick instantiation */
card->dev = &pdev->dev;
- snd_soc_initialize_card_lists(card);
ret = snd_soc_register_card(card);
if (ret != 0) {
static int soc_cleanup_card_resources(struct snd_soc_card *card)
{
- struct platform_device *pdev = to_platform_device(card->dev);
int i;
/* make sure any delayed work runs */
/* remove the card */
if (card->remove)
- card->remove(pdev);
+ card->remove(card);
kfree(card->rtd);
snd_card_free(card->snd_card);
return 0;
}
-static int soc_poweroff(struct device *dev)
+int snd_soc_poweroff(struct device *dev)
{
- struct platform_device *pdev = to_platform_device(dev);
- struct snd_soc_card *card = platform_get_drvdata(pdev);
+ struct snd_soc_card *card = dev_get_drvdata(dev);
int i;
if (!card->instantiated)
return 0;
}
+EXPORT_SYMBOL_GPL(snd_soc_poweroff);
-static const struct dev_pm_ops soc_pm_ops = {
- .suspend = soc_suspend,
- .resume = soc_resume,
- .poweroff = soc_poweroff,
+const struct dev_pm_ops snd_soc_pm_ops = {
+ .suspend = snd_soc_suspend,
+ .resume = snd_soc_resume,
+ .poweroff = snd_soc_poweroff,
};
/* ASoC platform driver */
.driver = {
.name = "soc-audio",
.owner = THIS_MODULE,
- .pm = &soc_pm_ops,
+ .pm = &snd_soc_pm_ops,
},
.probe = soc_probe,
.remove = soc_remove,
*
* Boolean function indiciating if a CODEC register is volatile.
*/
-int snd_soc_codec_volatile_register(struct snd_soc_codec *codec, int reg)
+int snd_soc_codec_volatile_register(struct snd_soc_codec *codec,
+ unsigned int reg)
{
if (codec->volatile_register)
return codec->volatile_register(codec, reg);
if (!card->name || !card->dev)
return -EINVAL;
+ snd_soc_initialize_card_lists(card);
+
soc_init_card_debugfs(card);
card->rtd = kzalloc(sizeof(struct snd_soc_pcm_runtime) *
projects / GitHub / mt8127 / android_kernel_alcatel_ttab.git / blobdiff