[PATCH 2/2] ASoC: codecs: va-macro: add npl clk
Srinivas Kandagatla
srinivas.kandagatla at linaro.org
Fri Nov 18 08:02:34 CET 2022
Thanks Krzysztof,
On 15/11/2022 14:23, Krzysztof Kozlowski wrote:
> On 15/11/2022 11:55, Srinivas Kandagatla wrote:
>> New versions of VA Macro has soundwire integrated, so handle the soundwire npl
>> clock correctly in the codec driver.
>>
>> Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla at linaro.org>
>> ---
>> sound/soc/codecs/lpass-va-macro.c | 41 +++++++++++++++++++++++++++++++
>> 1 file changed, 41 insertions(+)
>>
>> diff --git a/sound/soc/codecs/lpass-va-macro.c b/sound/soc/codecs/lpass-va-macro.c
>> index b0b6cf29cba3..d59af6d69c34 100644
>> --- a/sound/soc/codecs/lpass-va-macro.c
>> +++ b/sound/soc/codecs/lpass-va-macro.c
>> @@ -205,6 +205,7 @@ struct va_macro {
>> int dec_mode[VA_MACRO_NUM_DECIMATORS];
>> struct regmap *regmap;
>> struct clk *mclk;
>> + struct clk *npl;
>> struct clk *macro;
>> struct clk *dcodec;
>> struct clk *fsgen;
>> @@ -1332,6 +1333,9 @@ static int fsgen_gate_enable(struct clk_hw *hw)
>> struct regmap *regmap = va->regmap;
>> int ret;
>>
>> + if (va->has_swr_master)
>> + clk_prepare_enable(va->mclk);
>
> No error path?
that is true, i missed this indeed, sending v2 with this and other ret =
PTR_ERR(va->npl) change.
--srini
>
>> +
>> ret = va_macro_mclk_enable(va, true);
>> if (!va->has_swr_master)
>> return ret;
>> @@ -1358,6 +1362,8 @@ static void fsgen_gate_disable(struct clk_hw *hw)
>> CDC_VA_SWR_CLK_EN_MASK, 0x0);
>>
>> va_macro_mclk_enable(va, false);
>> + if (va->has_swr_master)
>> + clk_disable_unprepare(va->mclk);
>> }
>>
>> static int fsgen_gate_is_enabled(struct clk_hw *hw)
>> @@ -1386,6 +1392,9 @@ static int va_macro_register_fsgen_output(struct va_macro *va)
>> struct clk_init_data init;
>> int ret;
>>
>> + if (va->has_swr_master)
>> + parent = va->npl;
>> +
>> parent_clk_name = __clk_get_name(parent);
>>
>> of_property_read_string(np, "clock-output-names", &clk_name);
>> @@ -1512,6 +1521,14 @@ static int va_macro_probe(struct platform_device *pdev)
>> /* mclk rate */
>> clk_set_rate(va->mclk, 2 * VA_MACRO_MCLK_FREQ);
>>
>> + if (va->has_swr_master) {
>> + va->npl = devm_clk_get(dev, "npl");
>
> I think you miss:
> ret = PTR_ERR(va->npl);
>
>> + if (IS_ERR(va->npl))
>> + goto err;
>> +
>> + clk_set_rate(va->npl, 2 * VA_MACRO_MCLK_FREQ);
>> + }
>> +
>> ret = clk_prepare_enable(va->macro);
>> if (ret)
>> goto err;
>
> Best regards,
> Krzysztof
>
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