2023-07-31 11:03:57

by Mark Brown

Subject: [PATCH 1/2] ASoC: wm8960: Read initial MCLK rate from clock API

When we have a MCLK provided by the clock API read the rate at startup
and store it so that there's something set before the machine driver has
done clocking configuration (eg, if it only configures clocking based on
sample rate).

Signed-off-by: Mark Brown <[email protected]>
---
sound/soc/codecs/wm8960.c | 8 ++++++++
1 file changed, 8 insertions(+)

diff --git a/sound/soc/codecs/wm8960.c b/sound/soc/codecs/wm8960.c
index 366f5d769d6d..c0ce1ef75a74 100644
--- a/sound/soc/codecs/wm8960.c
+++ b/sound/soc/codecs/wm8960.c
@@ -1425,6 +1425,14 @@ static int wm8960_i2c_probe(struct i2c_client *i2c)
if (IS_ERR(wm8960->mclk)) {
if (PTR_ERR(wm8960->mclk) == -EPROBE_DEFER)
return -EPROBE_DEFER;
+ } else {
+ ret = clk_get_rate(wm8960->mclk);
+ if (ret >= 0) {
+ wm8960->freq_in = ret;
+ } else {
+ dev_err(&i2c->dev, "Failed to read MCLK rate: %d\n",
+ ret);
+ }
}

wm8960->regmap = devm_regmap_init_i2c(i2c, &wm8960_regmap);

--
2.39.2

2023-07-31 15:41:50

by Charles Keepax

Subject: Re: [PATCH 1/2] ASoC: wm8960: Read initial MCLK rate from clock API

On Mon, Jul 31, 2023 at 11:47:02AM +0100, Mark Brown wrote:
> When we have a MCLK provided by the clock API read the rate at startup
> and store it so that there's something set before the machine driver has
> done clocking configuration (eg, if it only configures clocking based on
> sample rate).
>
> Signed-off-by: Mark Brown <[email protected]>
> ---

Acked-by: Charles Keepax <[email protected]>

Thanks,
Charles