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@st.com Acked-by: Arnaud Pouliquen arnaud.pouliquen@st.com
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