Re: [PATCH v3 6/8] ASoC: qcom: apq8016_sbc: Add support for msm8953 SoC

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On 8/1/24 12:47, Stephan Gerhold wrote:
> On Wed, Jul 31, 2024 at 05:25:30PM +0200, Adam Skladowski wrote:
>> From: Vladimir Lypak <vladimir.lypak@xxxxxxxxx>
>>
>> Introduce support for audio card on MSM8953 platform.
>> Main difference between MSM8953 and MSM8916 is Q6AFE CLK API
>> supported by firmware which influence way we set codec clocks.
>> SoCs shipping on at least msm-3.18 should use v2 clocks.
>>
>> Signed-off-by: Vladimir Lypak <vladimir.lypak@xxxxxxxxx>
>> [Adam: rename functions, add msg]
>> Co-developed-by: Adam Skladowski <a39.skl@xxxxxxxxx>
>> Signed-off-by: Adam Skladowski <a39.skl@xxxxxxxxx>
>> ---
>>  sound/soc/qcom/apq8016_sbc.c | 43 +++++++++++++++++++++++++++++++++++++++++--
>>  1 file changed, 41 insertions(+), 2 deletions(-)
>>
>> diff --git a/sound/soc/qcom/apq8016_sbc.c b/sound/soc/qcom/apq8016_sbc.c
>> index 5a29adbd3f82..3ed35beb671a 100644
>> --- a/sound/soc/qcom/apq8016_sbc.c
>> +++ b/sound/soc/qcom/apq8016_sbc.c
>> @@ -22,6 +22,11 @@
>>  
> Is there a particular reason why you decided to hardcode the
> q6afe_clk_ver for the SoCs rather than finishing up the dynamic
> detection Otto proposed [1]?
>
> This works for MSM8953 but there are a few SoCs like MSM8909 where
> both clock API versions exist (depending on the firmware versions).
> If we want to support them at some point, we will need the dynamic
> detection anyway. It would be nice to finish up that patch set.
>
> Thanks,
> Stephan
>
> [1]: https://lore.kernel.org/linux-arm-msm/20231029165716.69878-1-otto.pflueger@xxxxxxxxx/
This probably sound obvious but i don't understand takes Srinivas
had on these patches.
On top i don't feel good sending code i don't understand much.
On a note i managed to slightly modify fallback commit
and provide match table translating new clks into v1.
In theory if we want we can drop snd_soc_component_set_sysclk()
from soundcard driver and use devm_clk_get/clk_set_rate/clk_prepare_enable
to manage clocks provided by q6afe_clocks.
Biggest issue for me is lack of people who i can even discuss with about,
even here i fail to see much feedback.




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