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Diffstat (limited to 'sound/soc/codecs/hdmi-codec.c')
-rw-r--r--sound/soc/codecs/hdmi-codec.c79
1 files changed, 70 insertions, 9 deletions
diff --git a/sound/soc/codecs/hdmi-codec.c b/sound/soc/codecs/hdmi-codec.c
index f27d115626db..b904492d7744 100644
--- a/sound/soc/codecs/hdmi-codec.c
+++ b/sound/soc/codecs/hdmi-codec.c
@@ -24,6 +24,15 @@
#include <drm/drm_crtc.h> /* This is only to get MAX_ELD_BYTES */
+struct hdmi_device {
+ struct device *dev;
+ struct list_head list;
+ int cnt;
+};
+#define pos_to_hdmi_device(pos) container_of((pos), struct hdmi_device, list)
+LIST_HEAD(hdmi_device_list);
+
+#define DAI_NAME_SIZE 16
struct hdmi_codec_priv {
struct hdmi_codec_pdata hcd;
struct snd_soc_dai_driver *daidrv;
@@ -320,7 +329,6 @@ static const struct snd_soc_dai_ops hdmi_dai_ops = {
SNDRV_PCM_FMTBIT_S32_LE | SNDRV_PCM_FMTBIT_S32_BE)
static struct snd_soc_dai_driver hdmi_i2s_dai = {
- .name = "i2s-hifi",
.id = DAI_ID_I2S,
.playback = {
.stream_name = "Playback",
@@ -334,7 +342,6 @@ static struct snd_soc_dai_driver hdmi_i2s_dai = {
};
static const struct snd_soc_dai_driver hdmi_spdif_dai = {
- .name = "spdif-hifi",
.id = DAI_ID_SPDIF,
.playback = {
.stream_name = "Playback",
@@ -346,13 +353,37 @@ static const struct snd_soc_dai_driver hdmi_spdif_dai = {
.ops = &hdmi_dai_ops,
};
+static char hdmi_dai_name[][DAI_NAME_SIZE] = {
+ "hdmi-hifi.0",
+ "hdmi-hifi.1",
+ "hdmi-hifi.2",
+ "hdmi-hifi.3",
+};
+
+static int hdmi_of_xlate_dai_name(struct snd_soc_component *component,
+ struct of_phandle_args *args,
+ const char **dai_name)
+{
+ int id = args->args[0];
+
+ if (id < ARRAY_SIZE(hdmi_dai_name)) {
+ *dai_name = hdmi_dai_name[id];
+ return 0;
+ }
+
+ return -EAGAIN;
+}
+
static struct snd_soc_codec_driver hdmi_codec = {
- .controls = hdmi_controls,
- .num_controls = ARRAY_SIZE(hdmi_controls),
- .dapm_widgets = hdmi_widgets,
- .num_dapm_widgets = ARRAY_SIZE(hdmi_widgets),
- .dapm_routes = hdmi_routes,
- .num_dapm_routes = ARRAY_SIZE(hdmi_routes),
+ .component_driver = {
+ .controls = hdmi_controls,
+ .num_controls = ARRAY_SIZE(hdmi_controls),
+ .dapm_widgets = hdmi_widgets,
+ .num_dapm_widgets = ARRAY_SIZE(hdmi_widgets),
+ .dapm_routes = hdmi_routes,
+ .num_dapm_routes = ARRAY_SIZE(hdmi_routes),
+ .of_xlate_dai_name = hdmi_of_xlate_dai_name,
+ },
};
static int hdmi_codec_probe(struct platform_device *pdev)
@@ -360,6 +391,8 @@ static int hdmi_codec_probe(struct platform_device *pdev)
struct hdmi_codec_pdata *hcd = pdev->dev.platform_data;
struct device *dev = &pdev->dev;
struct hdmi_codec_priv *hcp;
+ struct hdmi_device *hd;
+ struct list_head *pos;
int dai_count, i = 0;
int ret;
@@ -381,6 +414,31 @@ static int hdmi_codec_probe(struct platform_device *pdev)
if (!hcp)
return -ENOMEM;
+ hd = NULL;
+ list_for_each(pos, &hdmi_device_list) {
+ struct hdmi_device *tmp = pos_to_hdmi_device(pos);
+
+ if (tmp->dev == dev->parent) {
+ hd = tmp;
+ break;
+ }
+ }
+
+ if (!hd) {
+ hd = devm_kzalloc(dev, sizeof(*hd), GFP_KERNEL);
+ if (!hd)
+ return -ENOMEM;
+
+ hd->dev = dev->parent;
+
+ list_add_tail(&hd->list, &hdmi_device_list);
+ }
+
+ if (hd->cnt >= ARRAY_SIZE(hdmi_dai_name)) {
+ dev_err(dev, "too many hdmi codec are deteced\n");
+ return -EINVAL;
+ }
+
hcp->hcd = *hcd;
mutex_init(&hcp->current_stream_lock);
@@ -393,11 +451,14 @@ static int hdmi_codec_probe(struct platform_device *pdev)
hcp->daidrv[i] = hdmi_i2s_dai;
hcp->daidrv[i].playback.channels_max =
hcd->max_i2s_channels;
+ hcp->daidrv[i].name = hdmi_dai_name[hd->cnt++];
i++;
}
- if (hcd->spdif)
+ if (hcd->spdif) {
hcp->daidrv[i] = hdmi_spdif_dai;
+ hcp->daidrv[i].name = hdmi_dai_name[hd->cnt++];
+ }
ret = snd_soc_register_codec(dev, &hdmi_codec, hcp->daidrv,
dai_count);