[alsa-devel] [PATCH 1/5] ALSA: pcm: Add debug-print helper function

Takashi Iwai tiwai at suse.de
Fri May 25 08:19:44 CEST 2012


At Thu, 24 May 2012 15:26:03 +0200,
Ola Lilja wrote:
> 
> Adds a function getting the stream-name as a string for
> a specific stream.
> 
> Signed-off-by: Ola Lilja <ola.o.lilja at stericsson.com>

Reviewed-by: Takashi Iwai <tiwai at suse.de>

Mark, Liam, feel free to pick it through your tree.


thanks,

Takashi

> ---
>  include/sound/pcm.h |   11 +++++++++++
>  1 files changed, 11 insertions(+), 0 deletions(-)
> 
> diff --git a/include/sound/pcm.h b/include/sound/pcm.h
> index 0d11128..a55d5db 100644
> --- a/include/sound/pcm.h
> +++ b/include/sound/pcm.h
> @@ -1073,4 +1073,15 @@ static inline void snd_pcm_limit_isa_dma_size(int dma, size_t *max)
>  
>  const char *snd_pcm_format_name(snd_pcm_format_t format);
>  
> +/**
> + * Get a string naming the direction of a stream
> + */
> +static inline const char *snd_pcm_stream_str(struct snd_pcm_substream *substream)
> +{
> +	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
> +		return "Playback";
> +	else
> +		return "Capture";
> +}
> +
>  #endif /* __SOUND_PCM_H */
> -- 
> 1.7.8.3
> 


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