On Wed, 02 Dec 2015 15:22:04 +0100,
Moise Gergaud wrote:
>
> Add a helper to update only the IEC958 channel status sampling freq and
> word length parameters from an ALSA snd_pcm_runtime structure, taking
> account of the sample rate and sample size.
>
> Signed-off-by: Moise Gergaud <moise.gergaud@xxxxxx>
> Acked-by: Arnaud Pouliquen <arnaud.pouliquen@xxxxxx>
> ---
> include/sound/pcm_iec958.h | 19 ++++++++++-
> sound/core/pcm_iec958.c | 78 +++++++++++++++++++++++++++++++---------------
> 2 files changed, 71 insertions(+), 26 deletions(-)
>
> diff --git a/include/sound/pcm_iec958.h b/include/sound/pcm_iec958.h
> index 0eed397..0c84c69 100644
> --- a/include/sound/pcm_iec958.h
> +++ b/include/sound/pcm_iec958.h
> @@ -3,7 +3,24 @@
>
> #include <linux/types.h>
>
> +#ifdef CONFIG_SND_PCM_IEC958
> int snd_pcm_create_iec958_consumer(struct snd_pcm_runtime *runtime, u8 *cs,
> - size_t len);
> + size_t len);
> +
> +int snd_pcm_update_iec958_consumer(struct snd_pcm_runtime *runtime, u8 *cs,
> + size_t len);
> +#else
> +int snd_pcm_create_iec958_consumer(struct snd_pcm_runtime *runtime, u8 *cs,
> + size_t len)
> +{
> + return len;
> +}
> +
> +int snd_pcm_update_iec958_consumer(struct snd_pcm_runtime *runtime, u8 *cs,
> + size_t len)
> +{
> + return len;
> +}
These must be static inline.
And, shouldn't they return an error?
Takashi
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