From: Samu Onkalo Date: Fri, 22 Oct 2010 11:57:30 +0000 (-0400) Subject: hwmon: lis3: Adjust fuzziness for 8 bit device X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=477bc918c2323a51f577cd892ca49376f6feb5d5;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git hwmon: lis3: Adjust fuzziness for 8 bit device 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 Acked-by: Eric Piel Signed-off-by: Guenter Roeck --- diff --git a/drivers/hwmon/lis3lv02d.c b/drivers/hwmon/lis3lv02d.c index 3109eb8648ce..a4929b72506e 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), @@ -564,8 +566,16 @@ 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);