Non-dts based systems can use ACPI DSDT to pass on the mclk. Thus add fmw property mclk-name to get the name of the system clk and link it to rt5682 mclk.
Signed-off-by: Akshu Agrawal akshu.agrawal@amd.com --- include/sound/rt5682.h | 1 + sound/soc/codecs/rt5682.c | 7 ++++++- 2 files changed, 7 insertions(+), 1 deletion(-)
diff --git a/include/sound/rt5682.h b/include/sound/rt5682.h index e1f790561ac1..8717c02f89b8 100644 --- a/include/sound/rt5682.h +++ b/include/sound/rt5682.h @@ -42,6 +42,7 @@ struct rt5682_platform_data { unsigned int dmic_delay;
const char *dai_clk_names[RT5682_DAI_NUM_CLKS]; + const char *mclk_name; };
#endif diff --git a/sound/soc/codecs/rt5682.c b/sound/soc/codecs/rt5682.c index de40b6cd16cf..8b223bd0929e 100644 --- a/sound/soc/codecs/rt5682.c +++ b/sound/soc/codecs/rt5682.c @@ -2849,7 +2849,10 @@ static int rt5682_probe(struct snd_soc_component *component) } else { #ifdef CONFIG_COMMON_CLK /* Check if MCLK provided */ - rt5682->mclk = devm_clk_get(component->dev, "mclk"); + if (rt5682->pdata.mclk_name) + rt5682->mclk = clk_get(NULL, rt5682->pdata.mclk_name); + if (!rt5682->mclk) + rt5682->mclk = devm_clk_get(component->dev, "mclk"); if (IS_ERR(rt5682->mclk)) { if (PTR_ERR(rt5682->mclk) != -ENOENT) { ret = PTR_ERR(rt5682->mclk); @@ -2976,6 +2979,8 @@ int rt5682_parse_dt(struct rt5682_priv *rt5682, struct device *dev) rt5682->pdata.dai_clk_names[RT5682_DAI_WCLK_IDX], rt5682->pdata.dai_clk_names[RT5682_DAI_BCLK_IDX]);
+ device_property_read_string(dev, "realtek,mclk-name", &rt5682->pdata.mclk_name); + return 0; } EXPORT_SYMBOL_GPL(rt5682_parse_dt);