[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-Id: <1291016612-25102-5-git-send-email-rydberg@euromail.se>
Date: Mon, 29 Nov 2010 08:43:29 +0100
From: "Henrik Rydberg" <rydberg@...omail.se>
To: Jiri Kosina <jkosina@...e.cz>
Cc: Dmitry Torokhov <dmitry.torokhov@...il.com>,
Philipp Merkel <mail@...lmerk.de>,
Stephane Chatty <chatty@...c.fr>, linux-input@...r.kernel.org,
linux-kernel@...r.kernel.org, Henrik Rydberg <rydberg@...omail.se>
Subject: [PATCH 4/7] hid: egalax: Report zero as minimum pressure (rev2)
The firmware reports a logical minimum of one, but in order for
userspace applications to correctly map all reported values to
non-zero pressure, the driver needs to report a logical minimum of
zero. Fixed with this patch.
Tested-by: Philipp Merkel <mail@...lmerk.de>
Signed-off-by: Henrik Rydberg <rydberg@...omail.se>
---
drivers/hid/hid-egalax.c | 1 +
1 files changed, 1 insertions(+), 0 deletions(-)
diff --git a/drivers/hid/hid-egalax.c b/drivers/hid/hid-egalax.c
index b3a1139..a6ab617 100644
--- a/drivers/hid/hid-egalax.c
+++ b/drivers/hid/hid-egalax.c
@@ -90,6 +90,7 @@ static int egalax_input_mapping(struct hid_device *hdev, struct hid_input *hi,
set_abs(input, ABS_MT_TRACKING_ID, field, 0);
return 1;
case HID_DG_TIPPRESSURE:
+ field->logical_minimum = 0;
hid_map_usage(hi, usage, bit, max,
EV_ABS, ABS_MT_PRESSURE);
set_abs(input, ABS_MT_PRESSURE, field, 0);
--
1.7.1
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
Powered by blists - more mailing lists