[alsa-devel] [PATCH v5] ASoC: TSCS42xx: Add support for Tempo Semiconductor's TSCS42xx audio CODEC

[Takashi Iwai]

On Tue, 12 Dec 2017 14:04:01 +0100,
Charles Keepax wrote:
> 
> On Mon, Dec 11, 2017 at 01:54:25PM -0600, Steven Eckhoff wrote:
> > Currently there is no support for the TSCS42xx audio CODEC.
> > 
> > Add support for it.
> > 
> > v5 attempts to address all issues raised in the previous reviews.
> > 
> > Thank you to everyone who has invested their time reviewing these
> > patches.
> > 
> > Acked-by: Philippe Ombredanne <pombredanne at nexb.com>
> > Signed-off-by: Steven Eckhoff <steven.eckhoff.opensource at gmail.com>
> > ---
> > +int bytes_tlv_callback(struct snd_kcontrol *kcontrol, int op_flag,
> > +	unsigned int size, unsigned int __user *tlv)
> > +{
> > +	struct tscs_dsp_ctl *ctl =
> > +		(struct tscs_dsp_ctl *)kcontrol->private_value;
> > +	struct soc_bytes_ext *params = &ctl->bytes_ext;
> > +	unsigned int count = size < params->max ? size : params->max;
> > +	int ret = -ENXIO;
> > +
> > +	switch (op_flag) {
> > +	case SNDRV_CTL_TLV_OP_READ:
> > +		if (params->get)
> > +			ret = params->get(kcontrol, tlv, count);
> > +		break;
> > +	case SNDRV_CTL_TLV_OP_WRITE:
> > +		if (params->put)
> > +			ret = params->put(kcontrol, tlv, count);
> > +		break;
> > +	}
> > +	return ret;
> > +}
> 
> Should this function be removed, I am assuming it is a hang over
> from the earlier TLV implementation?

Yes, and bytes_ext_info() is also missing static.


Takashi