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ASoC: core: Add platform DAI widget mapping 

Add platform driver support for CPU DAI DAPM widgets.

Signed-off-by: Liam Girdwood <lrg@ti.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
Liam Girdwood 2012-03-07 11:47:41 +00:00 committed by Mark Brown
parent 4edbb34577
commit be09ad90e1
2 changed files with 15 additions and 0 deletions
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1
include/sound/soc-dai.h
View File

@ -241,6 +241,7 @@ struct snd_soc_dai {
struct snd_soc_dapm_widget *playback_widget;
struct snd_soc_dapm_widget *capture_widget;
struct snd_soc_dapm_context dapm;
/* DAI DMA data */
void *playback_dma_data;

14
sound/soc/soc-core.c
View File

@ -1074,6 +1074,7 @@ static int soc_probe_platform(struct snd_soc_card *card,
{
int ret = 0;
const struct snd_soc_platform_driver *driver = platform->driver;
struct snd_soc_dai *dai;
platform->card = card;
platform->dapm.card = card;
@ -1087,6 +1088,14 @@ static int soc_probe_platform(struct snd_soc_card *card,
snd_soc_dapm_new_controls(&platform->dapm,
driver->dapm_widgets, driver->num_dapm_widgets);
/* Create DAPM widgets for each DAI stream */
list_for_each_entry(dai, &dai_list, list) {
if (dai->dev != platform->dev)
continue;
snd_soc_dapm_new_dai_widgets(&platform->dapm, dai);
}
if (driver->probe) {
ret = driver->probe(platform);
if (ret < 0) {
@ -1222,9 +1231,12 @@ static int soc_probe_dai_link(struct snd_soc_card *card, int num, int order)
/* probe the cpu_dai */
if (!cpu_dai->probed &&
cpu_dai->driver->probe_order == order) {
cpu_dai->dapm.card = card;
if (!try_module_get(cpu_dai->dev->driver->owner))
return -ENODEV;
snd_soc_dapm_new_dai_widgets(&cpu_dai->dapm, cpu_dai);
if (cpu_dai->driver->probe) {
ret = cpu_dai->driver->probe(cpu_dai);
if (ret < 0) {
@ -3242,6 +3254,7 @@ int snd_soc_register_dai(struct device *dev,
dai->dev = dev;
dai->driver = dai_drv;
dai->dapm.dev = dev;
if (!dai->driver->ops)
dai->driver->ops = &null_dai_ops;
@ -3318,6 +3331,7 @@ int snd_soc_register_dais(struct device *dev,
dai->id = dai->driver->id;
else
dai->id = i;
dai->dapm.dev = dev;
if (!dai->driver->ops)
dai->driver->ops = &null_dai_ops;