From: Zev Weiss <zev@bewilderbeest.net>
Date: Tue, 15 Oct 2019 04:38:02 +0000 (-0500)
Subject: alsactl: avoid needless wakeups in monitor loop.
X-Git-Tag: v1.2.3~18
X-Git-Url: https://git.alsa-project.org/?a=commitdiff_plain;h=5fe6b866594c6d59d1960356590a00ccc4cdf4c7;p=alsa-utils.git

alsactl: avoid needless wakeups in monitor loop.

The timeout wasn't really being used for anything; disabling it should
reduce idle energy consumption slightly.

Signed-off-by: Zev Weiss <zev@bewilderbeest.net>
Reviewed-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Tested-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
---

diff --git a/alsactl/monitor.c b/alsactl/monitor.c
index cf4167b..fa6cd85 100644
--- a/alsactl/monitor.c
+++ b/alsactl/monitor.c
@@ -340,7 +340,7 @@ static int run_dispatcher(int epfd, int sigfd, int infd, struct list_head *srcs,
 		int count;
 		int i;
 
-		count = epoll_wait(epfd, epev, max_ev_count, 200);
+		count = epoll_wait(epfd, epev, max_ev_count, -1);
 		if (count < 0) {
 			if (errno == EINTR)
 				continue;