Re: [PATCH] ASoC: samsung: make audio interface/controller explicitly

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從我的 iPad 傳送

> Krzysztof Kozlowski <krzk@xxxxxxxxxx> 於 2016年9月19日 上午2:09 寫道:
> 
>> On Sun, Sep 18, 2016 at 11:12:34PM +0800, ayaka wrote:
>> 
>> 
>>> On 09/18/2016 10:42 PM, Krzysztof Kozlowski wrote:
>>>> On Sun, Sep 18, 2016 at 10:09:11PM +0800, Randy Li wrote:
>>>> It is simple sound card time, we could assign different codec
>>>> to a interface without making a specific driver for it.
>>> The description does not convince me and I do not see an example using
>>> this. Could you provide one?
>> Sorry, the board TOPEET iTop 4412 for exynos 4412 I posted supported codec
>> with I2S interface using the simple sound card. Anyway, it is no harm to
>> make them explicitly right?
> 
> kbuild gave you the answer...
Not sure how comes, even time I sent patches to you, I at lease build and run it once.
> 
>> Or I have to enabled those codec support for
>> SMDK, which is not needed for the other board.
> 
> If I understand correctly, the i2s/pcm etc are still needed but not
> built in config choosing only simple-audio-card? I tried now such
> configuration on Odroid XU and indeed the audio is missing.
> 
> The patch looks like needed but:
> 1. You need to describe the rationale in commit message, why it is
> needed.
Sorry about English.
> 2. You need to fix it... kbuild pointed build issues.
I would check that.
> 
> Other solution would be to add a user-selectable option for generic
> sound on Samsung using simple audio card. The option would then select
> appropriate SND_SAMSUNG* options, just like specific drivers do. I see
> that sh does like this. Personally this approach seems simpler to me -
> the defconfig could just choose this generic sound instead of many
> SND_SAMSUNG_* sub-options.
I would just what  Freescale did. It included those options entries in a sub-menu.
I don't those options should be bound either, as a board may only use one of interface or controller(like TOPEET iTOP would only use i2s. No place for SPDIF, AC97 nor PCM.)
> 
> Best regards,
> Krzysztof
> 
>>> 
>>> Best regards,
>>> Krzysztof
>>> 
>>> 
>>>> Signed-off-by: Randy Li <ayaka@xxxxxxxxxxx>
>>>> ---
>>>> sound/soc/samsung/Kconfig | 8 ++++----
>>>> 1 file changed, 4 insertions(+), 4 deletions(-)
>>>> 
>>>> diff --git a/sound/soc/samsung/Kconfig b/sound/soc/samsung/Kconfig
>>>> index 7b722b0..b7b3a38 100644
>>>> --- a/sound/soc/samsung/Kconfig
>>>> +++ b/sound/soc/samsung/Kconfig
>>>> @@ -18,18 +18,18 @@ config SND_S3C2412_SOC_I2S
>>>>    select SND_S3C_I2SV2_SOC
>>>> config SND_SAMSUNG_PCM
>>>> -    tristate
>>>> +    tristate "Samsung PCM interface support"
>>>> config SND_SAMSUNG_AC97
>>>> -    tristate
>>>> +    tristate "Samsung AC97 controller support"
>>>>    select SND_SOC_AC97_BUS
>>>> config SND_SAMSUNG_SPDIF
>>>> -    tristate
>>>> +    tristate "Samsung SPDIF transmitter support"
>>>>    select SND_SOC_SPDIF
>>>> config SND_SAMSUNG_I2S
>>>> -    tristate
>>>> +    tristate "Samsung I2S interface support"
>>>> config SND_SOC_SAMSUNG_NEO1973_WM8753
>>>>    tristate "Audio support for Openmoko Neo1973 Smartphones (GTA02)"
>>>> -- 
>>>> 2.7.4
>> 

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