Re: [alsa-devel] [PATCH v2] control: complement comment for subscribe API

At Tue, 10 Feb 2015 00:27:19 +0900, Takashi Sakamoto wrote:

When minus value is given as a parameter, the API returns whether the caller has already subscribed or not.

This commit adds a comment about this so as better documentation.

Signed-off-by: Takashi Sakamoto o-takashi@sakamocchi.jp

Applied, thanks.

Takashi

---

src/control/control.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/control/control.c b/src/control/control.c index dd428a1..4a28cf6 100644 --- a/src/control/control.c +++ b/src/control/control.c @@ -213,7 +213,7 @@ int snd_ctl_poll_descriptors_revents(snd_ctl_t *ctl, struct pollfd *pfds, unsign /**

• \brief Ask to be informed about events (poll, #snd_async_add_ctl_handler, #snd_ctl_read)
• \param ctl CTL handle

• • \param subscribe 0 = unsubscribe, 1 = subscribe

• • \param subscribe 0 = unsubscribe, 1 = subscribe, -1 = check subscribe or not
  • \return 0 on success otherwise a negative error code
  */

int snd_ctl_subscribe_events(snd_ctl_t *ctl, int subscribe)

2.1.0