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From: "Henrik Rydberg" <rydberg@euromail.se>
To: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Cc: linux-input@vger.kernel.org, linux-kernel@vger.kernel.org,
	Jiri Kosina <jkosina@suse.cz>, Ping Cheng <pingc@wacom.com>,
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	Chase Douglas <chase.douglas@canonical.com>,
	Rafi Rubin <rafi@seas.upenn.edu>, Henrik Rydberg <rydberg@euromail.se>
Subject: [PATCH 4/5] hid-input: Use a larger event buffer for MT devices
Date: Wed, 23 Jun 2010 13:14:45 +0200
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diff --git a/drivers/hid/hid-input.c b/drivers/hid/hid-input.c
index 7a0d2e4..69d152e 100644
--- a/drivers/hid/hid-input.c
+++ b/drivers/hid/hid-input.c
@@ -534,6 +534,9 @@ mapped:
 			input_set_abs_params(input, usage->code, a, b, (b - a) >> 8, (b - a) >> 4);
 		else	input_set_abs_params(input, usage->code, a, b, 0, 0);
 
+		/* use a larger default input buffer for MT devices */
+		if (usage->code == ABS_MT_POSITION_X && input->hint_events_per_packet == 0)
+			input_set_events_per_packet(input, 60);
 	}
 
 	if (usage->type == EV_ABS &&