[alsa-devel] [PATCH] ASoC: Update cx20442 for TTY API change

[Janusz Krzysztofik]

On Wed 11 May 2011 at 09:40:43 Mark Brown wrote:
> receive_buf() was recently changed to return the number of bytes
> received but the cx20442 driver wasn't updated to match the new API.
> I don't have any hardware but since we don't actually appears to be
> listening to the data at all just report that we accepted all the
> data that was offered to us.
> 
> Signed-off-by: Mark Brown <broonie at opensource.wolfsonmicro.com>

Acked-by: Janusz Krzysztofik <jkrzyszt at tis.icnet.pl>

> ---
>  sound/soc/codecs/cx20442.c |    8 +++++---
>  1 files changed, 5 insertions(+), 3 deletions(-)
> 
> diff --git a/sound/soc/codecs/cx20442.c b/sound/soc/codecs/cx20442.c
> index d68ea53..f8c663d 100644
> --- a/sound/soc/codecs/cx20442.c
> +++ b/sound/soc/codecs/cx20442.c
> @@ -262,14 +262,14 @@ static int v253_hangup(struct tty_struct *tty)
>  }
> 
>  /* Line discipline .receive_buf() */
> -static void v253_receive(struct tty_struct *tty,
> -				const unsigned char *cp, char *fp, int count)
> +static unsigned int v253_receive(struct tty_struct *tty,
> +				 const unsigned char *cp, char *fp, int count)
>  {
>  	struct snd_soc_codec *codec = tty->disc_data;
>  	struct cx20442_priv *cx20442;
> 
>  	if (!codec)
> -		return;
> +		return count;
> 
>  	cx20442 = snd_soc_codec_get_drvdata(codec);
> 
> @@ -281,6 +281,8 @@ static void v253_receive(struct tty_struct *tty,
>  		codec->hw_write = (hw_write_t)tty->ops->write;
>  		codec->card->pop_time = 1;
>  	}
> +
> +	return count;
>  }
> 
>  /* Line discipline .write_wakeup() */