Op 22-10-10 13:57, Samu Onkalo schreef:
Default fuziness is set smaller for 8 device.
In 12 bit device LSB is quite close to 1 mg
(mg = 1 / 1000 of earth gravity).
In 8bit device LSB is about 18 mg.
Set fuziness to 1 for 8 bit device.
Signed-off-by: Samu Onkalo<samu.p.onkalo@xxxxxxxxx>
Acked-by: Eric Piel <eric.piel@xxxxxxxxxxxxxxxx>
---
drivers/hwmon/lis3lv02d.c | 18 ++++++++++++++----
1 files changed, 14 insertions(+), 4 deletions(-)
diff --git a/drivers/hwmon/lis3lv02d.c b/drivers/hwmon/lis3lv02d.c
index d66cbe1..7555091 100644
--- a/drivers/hwmon/lis3lv02d.c
+++ b/drivers/hwmon/lis3lv02d.c
@@ -71,8 +71,10 @@
#define LIS3_SENSITIVITY_12B ((LIS3_ACCURACY * 1000) / 1024)
#define LIS3_SENSITIVITY_8B (18 * LIS3_ACCURACY)
-#define LIS3_DEFAULT_FUZZ 3
-#define LIS3_DEFAULT_FLAT 3
+#define LIS3_DEFAULT_FUZZ_12B 3
+#define LIS3_DEFAULT_FLAT_12B 3
+#define LIS3_DEFAULT_FUZZ_8B 1
+#define LIS3_DEFAULT_FLAT_8B 1
struct lis3lv02d lis3_dev = {
.misc_wait = __WAIT_QUEUE_HEAD_INITIALIZER(lis3_dev.misc_wait),
@@ -530,8 +532,16 @@ int lis3lv02d_joystick_enable(void)
set_bit(EV_ABS, input_dev->evbit);
max_val = (lis3_dev.mdps_max_val * lis3_dev.scale) / LIS3_ACCURACY;
- fuzz = (LIS3_DEFAULT_FUZZ * lis3_dev.scale) / LIS3_ACCURACY;
- flat = (LIS3_DEFAULT_FLAT * lis3_dev.scale) / LIS3_ACCURACY;
+ if (lis3_dev.whoami == WAI_12B) {
+ fuzz = LIS3_DEFAULT_FUZZ_12B;
+ flat = LIS3_DEFAULT_FLAT_12B;
+ } else {
+ fuzz = LIS3_DEFAULT_FUZZ_8B;
+ flat = LIS3_DEFAULT_FLAT_8B;
+ }
+ fuzz = (fuzz * lis3_dev.scale) / LIS3_ACCURACY;
+ flat = (flat * lis3_dev.scale) / LIS3_ACCURACY;
+
input_set_abs_params(input_dev, ABS_X, -max_val, max_val, fuzz, flat);
input_set_abs_params(input_dev, ABS_Y, -max_val, max_val, fuzz, flat);
input_set_abs_params(input_dev, ABS_Z, -max_val, max_val, fuzz, flat);
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