lkml.org 
[lkml]   [2019]   [May]   [21]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH v2 09/10] Input: elan_i2c - correct the width/size base value
Date
*_traces are the number of antennas. width_* is thus the space between 2
antennas. Which means, we should subtract 1 to the number of antennas
to divide the touchpad by the number of holes between each antenna.

Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>

--

new in v2
---
drivers/input/mouse/elan_i2c_core.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/input/mouse/elan_i2c_core.c b/drivers/input/mouse/elan_i2c_core.c
index 6f4feedb7765..3375eaa9a72e 100644
--- a/drivers/input/mouse/elan_i2c_core.c
+++ b/drivers/input/mouse/elan_i2c_core.c
@@ -398,8 +398,8 @@ static int elan_query_device_parameters(struct elan_tp_data *data)
if (error)
return error;
}
- data->width_x = data->max_x / x_traces;
- data->width_y = data->max_y / y_traces;
+ data->width_x = data->max_x / (x_traces - 1);
+ data->width_y = data->max_y / (y_traces - 1);

if (device_property_read_u32(&client->dev,
"touchscreen-x-mm", &x_mm) ||
--
2.21.0
\
 
 \ /
  Last update: 2019-05-21 15:28    [W:0.095 / U:7.660 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site