linux-kernel - Re: [PATCH v2 4/4] ASoC: rsnd: use regmap instead of original register mapping method

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Date:	Tue, 17 Sep 2013 14:04:02 +0100
From:	Mark Brown <broonie@...nel.org>
To:	Kuninori Morimoto <kuninori.morimoto.gx@...esas.com>
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Linux-ALSA <alsa-devel@...a-project.org>,
	Liam Girdwood <lgirdwood@...il.com>,
	Kuninori Morimoto <kuninori.morimoto.gx@...il.com>,
	Simon <horms@...ge.net.au>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 4/4] ASoC: rsnd: use regmap instead of original
 register mapping method

On Sun, Sep 01, 2013 at 08:32:45PM -0700, Kuninori Morimoto wrote:

> +void rsnd_write(struct rsnd_priv *priv,
> +		struct rsnd_mod *mod,
> +		enum rsnd_reg reg, u32 data)
> +{
> +	struct rsnd_gen *gen = rsnd_priv_to_gen(priv);
> +
> +	if (regmap_fields_enable(gen->regs[reg]))
> +		regmap_fields_write(gen->regs[reg], rsnd_mod_id(mod), data);
> +	else
> +		regmap_field_write(gen->regs[reg], data);
> +}

Ah, sorry - I see you are actually using fields_enable().  I must've
searched for the wrong thing.  However looking at this I'm not sure that
this is a good use anyway, it seems like the caller should know if the
register it is writing to is in one of the repeated blocks.  Can you
provide a bit more detail as to what's going on here?

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