Re: [PATCH 2/2] ASoC: atmel-classd: DT binding for Class D audio amplifier driver

From: Mark Brown
Date: Wed Sep 16 2015 - 15:43:00 EST


On Tue, Sep 15, 2015 at 11:11:53AM +0800, Wu, Songjun wrote:

> I try to use one entry, but there is a problem.
> It's about 'driver_data' in struct device.
> In function snd_soc_register_card, the parameter 'card' will be set to
> 'driver_data' by the code 'dev_set_drvdata(card->dev, card)'.
> Then some resources(eg. regmap, clock) also need be recorded by
> 'driver_data'. One entry could only has one 'driver_data'. I think the best
> way is to create two entries, like the current dts.
> What's your opinion?

Look at the recently applied sunxi driver for an example of how to do
this - it's a similar piece of hardware (entirely in the SoC and so on).

Attachment: signature.asc
Description: Digital signature