[alsa-devel] New SoC layer codec registration problem

[Alexander]

On Thu, 2010-10-28 at 09:07 -0500, Victor Rodriguez wrote:
> O        ret = snd_soc_register_codec(&spi->dev, &soc_codec_dev_cs4271,
> >                                     &cs4271_dai, 1);
> 
> Sorry for this maybe I am wrong but shouldn't this bee with {}
> >        if (ret < 0) {
> >                kfree(cs4271);
> >                return ret;
>           }
> Thanks
> 
> Victor Rodriguez

Oh, no, this part is correct, I'm sure.
The question is why fmt_single_name() picks up "spi0.0" instead of
"cs4271-codec", I've added some debug output. And this function relies
on dev_name() instead of dev->driver->name, this works in 2 of 3 cases
(where one string equals another):
---
Jan  1 00:00:04 miniCio user.debug kernel: cs4271-codec spi0.0: codec
register spi0.0
Jan  1 00:00:04 miniCio user.info kernel: dev_name=spi0.0
Jan  1 00:00:04 miniCio user.info kernel: dev->driver->name=cs4271-codec
Jan  1 00:00:04 miniCio user.debug kernel: cs4271-codec spi0.0: dai
register spi0.0 #1
Jan  1 00:00:04 miniCio user.debug kernel: Registered DAI 'cs4271-hifi'
Jan  1 00:00:04 miniCio user.debug kernel: Registered codec 'spi0.0'
Jan  1 00:00:04 miniCio user.info kernel: Codec driver for CS4271
registered
Jan  1 00:00:04 miniCio user.debug kernel: ep93xx-pcm-audio
ep93xx-pcm-audio: platform register ep93xx-pcm-audio
Jan  1 00:00:04 miniCio user.info kernel: dev_name=ep93xx-pcm-audio
Jan  1 00:00:04 miniCio user.info kernel:
dev->driver->name=ep93xx-pcm-audio
Jan  1 00:00:04 miniCio user.debug kernel: Registered platform
'ep93xx-pcm-audio'
Jan  1 00:00:04 miniCio user.debug kernel: ep93xx-i2s ep93xx-i2s: dai
register ep93xx-i2s
Jan  1 00:00:04 miniCio user.info kernel: dev_name=ep93xx-i2s
Jan  1 00:00:04 miniCio user.info kernel: dev->driver->name=ep93xx-i2s
Jan  1 00:00:04 miniCio user.debug kernel: Registered DAI 'ep93xx-i2s'
Jan  1 00:00:04 miniCio user.debug kernel: soc-audio soc-audio: binding
CS4271 at idx 0
Jan  1 00:00:04 miniCio user.debug kernel: soc-audio soc-audio: CODEC
cs4271-codec not registered
Jan  1 00:00:04 miniCio user.debug kernel: soc-audio soc-audio:
Registered card 'EDB93XX'
Jan  1 00:00:04 miniCio user.info kernel: EDB93xx Machine ALSA Driver
Jan  1 00:00:04 miniCio user.info kernel: ALSA device list:
Jan  1 00:00:04 miniCio user.info kernel:   No soundcards found.
---