diff options
Diffstat (limited to 'sound/soc/generic/simple-card.c')
| -rw-r--r-- | sound/soc/generic/simple-card.c | 34 |
1 files changed, 29 insertions, 5 deletions
diff --git a/sound/soc/generic/simple-card.c b/sound/soc/generic/simple-card.c index 33feee9ca..d55549391 100644 --- a/sound/soc/generic/simple-card.c +++ b/sound/soc/generic/simple-card.c @@ -26,6 +26,7 @@ struct simple_card_data { struct simple_dai_props { struct asoc_simple_dai cpu_dai; struct asoc_simple_dai codec_dai; + unsigned int mclk_fs; } *dai_props; unsigned int mclk_fs; int gpio_hp_det; @@ -76,11 +77,18 @@ static int asoc_simple_card_hw_params(struct snd_pcm_substream *substream, struct snd_soc_pcm_runtime *rtd = substream->private_data; struct snd_soc_dai *codec_dai = rtd->codec_dai; struct simple_card_data *priv = snd_soc_card_get_drvdata(rtd->card); - unsigned int mclk; + struct simple_dai_props *dai_props = + &priv->dai_props[rtd - rtd->card->rtd]; + unsigned int mclk, mclk_fs = 0; int ret = 0; - if (priv->mclk_fs) { - mclk = params_rate(params) * priv->mclk_fs; + if (priv->mclk_fs) + mclk_fs = priv->mclk_fs; + else if (dai_props->mclk_fs) + mclk_fs = dai_props->mclk_fs; + + if (mclk_fs) { + mclk = params_rate(params) * mclk_fs; ret = snd_soc_dai_set_sysclk(codec_dai, 0, mclk, SND_SOC_CLOCK_IN); } @@ -307,11 +315,13 @@ static int asoc_simple_card_dai_link_of(struct device_node *node, struct snd_soc_dai_link *dai_link = simple_priv_to_link(priv, idx); struct simple_dai_props *dai_props = simple_priv_to_props(priv, idx); struct device_node *cpu = NULL; + struct device_node *plat = NULL; struct device_node *codec = NULL; char *name; char prop[128]; char *prefix = ""; int ret, cpu_args; + u32 val; /* For single DAI link & old style of DT node */ if (is_top_level_node) @@ -320,6 +330,9 @@ static int asoc_simple_card_dai_link_of(struct device_node *node, snprintf(prop, sizeof(prop), "%scpu", prefix); cpu = of_get_child_by_name(node, prop); + snprintf(prop, sizeof(prop), "%splat", prefix); + plat = of_get_child_by_name(node, prop); + snprintf(prop, sizeof(prop), "%scodec", prefix); codec = of_get_child_by_name(node, prop); @@ -334,6 +347,9 @@ static int asoc_simple_card_dai_link_of(struct device_node *node, if (ret < 0) goto dai_link_of_err; + if (!of_property_read_u32(node, "mclk-fs", &val)) + dai_props->mclk_fs = val; + ret = asoc_simple_card_sub_parse_of(cpu, &dai_props->cpu_dai, &dai_link->cpu_of_node, &dai_link->cpu_dai_name, @@ -352,8 +368,16 @@ static int asoc_simple_card_dai_link_of(struct device_node *node, goto dai_link_of_err; } - /* Simple Card assumes platform == cpu */ - dai_link->platform_of_node = dai_link->cpu_of_node; + if (plat) { + struct of_phandle_args args; + + ret = of_parse_phandle_with_args(plat, "sound-dai", + "#sound-dai-cells", 0, &args); + dai_link->platform_of_node = args.np; + } else { + /* Assumes platform == cpu */ + dai_link->platform_of_node = dai_link->cpu_of_node; + } /* DAI link name is created from CPU/CODEC dai name */ name = devm_kzalloc(dev, |