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Fri, 12 Jun 2020 10:55:30 +0100 From: Mark Hills To: alsa-devel@alsa-project.org Subject: [RFC PATCH 5/9] pcm: Annotate the _delay functions based on findings from the previous bug Date: Fri, 12 Jun 2020 10:55:26 +0100 Message-Id: <20200612095530.3970-5-mark@xwax.org> X-Mailer: git-send-email 2.17.5 In-Reply-To: <2006121020220.23374@stax.localdomain> References: <2006121020220.23374@stax.localdomain> X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: "Alsa-devel" --- src/pcm/pcm_local.h | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/src/pcm/pcm_local.h b/src/pcm/pcm_local.h index 1fa8e61d..cf018fc0 100644 --- a/src/pcm/pcm_local.h +++ b/src/pcm/pcm_local.h @@ -582,11 +582,17 @@ static inline snd_pcm_uframes_t snd_pcm_mmap_hw_offset(snd_pcm_t *pcm) return *pcm->hw.ptr % pcm->buffer_size; } +/* + * \retval number of frames pending from application to hardware + */ static inline snd_pcm_uframes_t snd_pcm_mmap_playback_delay(snd_pcm_t *pcm) { return snd_pcm_mmap_playback_hw_avail(pcm); } +/* + * \retval number of frames pending from hardware to application + */ static inline snd_pcm_uframes_t snd_pcm_mmap_capture_delay(snd_pcm_t *pcm) { return snd_pcm_mmap_capture_avail(pcm);