From: Anshul Garg <aksgarg1989@xxxxxxxxx>
Since the client clk_type is changed , flush pending
events from client buffer and queue SYN_DROPPED event.
Added check for duplicate clk_type change request.
Signed-off-by: Anshul Garg <anshul.g@xxxxxxxxxxx>
---
drivers/input/evdev.c | 9 ++++++++-
1 file changed, 8 insertions(+), 1 deletion(-)
diff --git a/drivers/input/evdev.c b/drivers/input/evdev.c
index b1a52ab..91330e1 100644
--- a/drivers/input/evdev.c
+++ b/drivers/input/evdev.c
@@ -64,6 +64,9 @@ struct evdev_client {
static int evdev_set_clk_type(struct evdev_client *client, unsigned int clkid)
{
+ if (client->clk_type == clkid)
+ return 0;
+
switch (clkid) {
case CLOCK_REALTIME:
@@ -78,7 +81,11 @@ static int evdev_set_clk_type(struct evdev_client *client, unsigned int clkid)
default:
return -EINVAL;
}
-
+
+ /* Flush clients events after clk_type is changed
+ * and queue SYN_DROPPED event.*/
+ client->packet_head = client->head = client->tail;
+ evdev_queue_syn_dropped(client);
return 0;
}
--
1.7.9.5
---
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