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| author | Martin Kepplinger <martin.kepplinger@ginzinger.com> | 2017-05-23 02:19:45 +0200 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2017-05-23 02:22:50 +0200 |
| commit | aa3d4409b664813ceb86a24bd09458cdd29cbb8a (patch) | |
| tree | ceeebedd394f0fcba601861e9307ce5d7e55f338 /drivers | |
| parent | Input: cros_ec_keyb - remove extraneous 'const' (diff) | |
| download | linux-aa3d4409b664813ceb86a24bd09458cdd29cbb8a.tar.xz linux-aa3d4409b664813ceb86a24bd09458cdd29cbb8a.zip | |
Input: edt-ft5x06 - increase allowed data range for threshold parameter
The datasheet and application note does not mention an allowed range for
the M09_REGISTER_THRESHOLD parameter. One of our customers needs to set
lower values than 20 and they seem to work just fine on EDT EP0xx0M09 with
T5x06 touch.
So, lacking a known lower limit, we increase the range for thresholds,
and set the lower limit to 0. The documentation is updated accordingly.
Signed-off-by: Schoefegger Stefan <stefan.schoefegger@ginzinger.com>
Signed-off-by: Manfred Schlaegl <manfred.schlaegl@ginzinger.com>
Signed-off-by: Martin Kepplinger <martin.kepplinger@ginzinger.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/input/touchscreen/edt-ft5x06.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/input/touchscreen/edt-ft5x06.c b/drivers/input/touchscreen/edt-ft5x06.c index 8cf8d8d5d4ef..f872817e81e4 100644 --- a/drivers/input/touchscreen/edt-ft5x06.c +++ b/drivers/input/touchscreen/edt-ft5x06.c @@ -471,7 +471,7 @@ static EDT_ATTR(gain, S_IWUSR | S_IRUGO, WORK_REGISTER_GAIN, static EDT_ATTR(offset, S_IWUSR | S_IRUGO, WORK_REGISTER_OFFSET, M09_REGISTER_OFFSET, 0, 31); static EDT_ATTR(threshold, S_IWUSR | S_IRUGO, WORK_REGISTER_THRESHOLD, - M09_REGISTER_THRESHOLD, 20, 80); + M09_REGISTER_THRESHOLD, 0, 80); static EDT_ATTR(report_rate, S_IWUSR | S_IRUGO, WORK_REGISTER_REPORT_RATE, NO_REGISTER, 3, 14); |