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From:   =?UTF-8?q?Fr=C3=A9d=C3=A9ric=20Danis?= 
        <frederic.danis@collabora.com>
To:     linux-bluetooth@vger.kernel.org
Subject: [PATCH BlueZ] adapter: Fix discovery trigger for 0 second delay
Date:   Fri, 12 Mar 2021 11:52:06 +0100
Message-Id: <20210312105206.22534-1-frederic.danis@collabora.com>
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When calling `StartDiscovery` the effective start can take around 10 ms or
up to 700 ms.
g_timeout_add_seconds() call doesn't ensure the time for the first call of
the timer if the delay is less or equal to 1 second.
---
 src/adapter.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/adapter.c b/src/adapter.c
index cc0849f99..daa4c18b7 100644
--- a/src/adapter.c
+++ b/src/adapter.c
@@ -1797,6 +1797,12 @@ static void trigger_start_discovery(struct btd_adapter *adapter, guint delay)
 	if (!btd_adapter_get_powered(adapter))
 		return;
 
+	if (!delay) {
+		adapter->discovery_idle_timeout = g_idle_add(start_discovery_timeout,
+						adapter);
+		return;
+	}
+
 	adapter->discovery_idle_timeout = g_timeout_add_seconds(delay,
 					start_discovery_timeout, adapter);
 }
-- 
2.18.0