[alsa-devel] [PATCH 07/14] soundwire: add initial definitions for sdw_master_device

[Pierre-Louis Bossart]

On 11/7/19 10:04 PM, Vinod Koul wrote:
> On 04-11-19, 08:42, Pierre-Louis Bossart wrote:
>>
>>
>> On 11/3/19 1:30 AM, Vinod Koul wrote:
>>> On 23-10-19, 16:28, Pierre-Louis Bossart wrote:
>>>> Since we want an explicit support for the SoundWire Master device, add
>>>> the definitions, following the Grey Bus example.
>>>>
>>>> Open: do we need to set a variable when dealing with the master uevent?
>>>
>>> I dont think we want that or we need that!
>>
>> In GreyBus there are events and variables set, not sure what they were used
>> for. The code works without setting an event, but we'd need to make a
>> conscious design decision, and I am not too sure what usersace would use the
>> informatio for.
>>
>>>
>>> And to prevent that rather than adding a variable, can you please
>>> modify the device_type and use separate ones for master_device and
>>> slave_device
>>
>> sorry, I don't get the comment. There is only already a different device
>> type
>>
>>
>> struct bus_type sdw_bus_type = {
>> 	.name = "soundwire",
>> 	.match = sdw_bus_match,
>> 	.uevent = sdw_uevent,
> 
> We can remove this
> 
>> };
>>
>> struct device_type sdw_slave_type = {
>> 	.name =		"sdw_slave",
>> 	.release =	sdw_slave_release,
> 
> Add here:
> 
>          uevent = sdw_uevent,
> 
>> };
>>
>> struct device_type sdw_md_type = {
>> 	.name =		"soundwire_master",
>> 	.release =	sdw_md_release,
>> };
> 
> And not have here!
> 
> Problem solved!

I will give it a try but I don't know what the 'problem' was.
The code works as is, and btw you are commenting on the wrong version of 
the series, v2 was sent yesterday.