[alsa-devel] [PATCH 1/6] ASoC: Intel: allow for DW_DMAC_CORE as module

[Pierre-Louis Bossart]

On 3/8/16 8:43 PM, Mark Brown wrote:
> On Mon, Mar 07, 2016 at 11:49:29AM -0600, Pierre-Louis Bossart wrote:
>> On 3/4/16 10:03 PM, Mark Brown wrote:
>>> On Thu, Mar 03, 2016 at 09:36:33PM -0600, Pierre-Louis Bossart wrote:
>
>>>> -	depends on DW_DMAC_CORE=y && (SND_SST_IPC_ACPI = n)
>>>> +	depends on (DW_DMAC_CORE != n) && (SND_SST_IPC_ACPI = n)
>
>>> What is the expected difference between a dependency on DW_DMAC_CORE and
>>> one on DW_DMAC_CORE != n?
>
>> No functional difference, it's more to make the menuconfig options more
>> obvious.
>> Without this patch, menuconfig will not show the legacy byt-max98090 and
>> byt-rt5640 options if the DW_DMAC_CORE is built as a module.
>> While we want to encourage folks to use the newer DPCM drivers, we also want
>> to leave these options accessible.
>
> My point is that you've written the above in a very confusing manner - I
> have to think about what it means while just a dependency would be clear
> and obvious.

Are you asking about the intent/functionality or just a simplification 
to do this (un-tested):
depends on DW_DMAC_CORE && (SND_SST_IPC_ACPI = n)