[alsa-devel] [PATCH - ice1724 1/4] ALSA: ice1724 - Create capture pcm only for ADC-enabled configurations

[Takashi Iwai]

At Thu,  5 Jan 2012 22:01:55 +0100,
pavel.hofman at ivitera.com wrote:
> 
> From: Pavel Hofman <pavel.hofman at ivitera.com>
> 
> Add the capture pcm only if there is at least one ADC configured in
> the SYSCONF register.
> 
> Signed-off-by: Pavel Hofman <pavel.hofman at ivitera.com>
> 
> diff --git a/pci/ice1712/ice1724.c b/pci/ice1712/ice1724.c
> index 4353e76..2a0be2c 100644
> --- a/pci/ice1712/ice1724.c
> +++ b/pci/ice1712/ice1724.c
> @@ -1117,14 +1117,18 @@ static struct snd_pcm_ops snd_vt1724_capture_pro_ops = {
>  static int __devinit snd_vt1724_pcm_profi(struct snd_ice1712 *ice, int device)
>  {
>  	struct snd_pcm *pcm;
> -	int err;
> +	int capt, err;
>  
> -	err = snd_pcm_new(ice->card, "ICE1724", device, 1, 1, &pcm);
> +	capt = (~ice->eeprom.data[ICE_EEP2_SYSCONF] & VT1724_CFG_ADC_MASK) ?
> +		1 : 0;

Are you sure that this is correct?  I thought the value 0 means 1 ADC,
1 is two ADCS, etc.


thanks,

Takashi