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HID: wacom: correct misreported EKR ring values

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commit fcf887e7ca upstream.

The EKR ring claims a range of 0 to 71 but actually reports
values 1 to 72. The ring is used in relative mode so this
change should not affect users.

Signed-off-by: Aaron Armstrong Skomra <aaron.skomra@wacom.com>
Fixes: 72b236d602 ("HID: wacom: Add support for Express Key Remote.")
Cc: <stable@vger.kernel.org> # v4.3+
Reviewed-by: Ping Cheng <ping.cheng@wacom.com>
Reviewed-by: Jason Gerecke <jason.gerecke@wacom.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Aaron Armstrong Skomra
2019-08-16 12:00:54 -07:00
committed by Greg Kroah-Hartman
parent 3c4b283a0d
commit 8317fe4a39
1 changed files with 1 additions and 1 deletions
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2
drivers/hid/wacom_wac.c
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@@ -1061,7 +1061,7 @@ static int wacom_remote_irq(struct wacom_wac *wacom_wac, size_t len)
input_report_key(input, BTN_BASE2, (data[11] & 0x02));
if (data[12] & 0x80)
input_report_abs(input, ABS_WHEEL, (data[12] & 0x7f));
input_report_abs(input, ABS_WHEEL, (data[12] & 0x7f) - 1);
else
input_report_abs(input, ABS_WHEEL, 0);