diff options
| -rw-r--r-- | drivers/hwmon/lis3lv02d.c | 19 | ||||
| -rw-r--r-- | drivers/hwmon/lis3lv02d.h | 1 |
2 files changed, 12 insertions, 8 deletions
diff --git a/drivers/hwmon/lis3lv02d.c b/drivers/hwmon/lis3lv02d.c index 1095dff9b20..7448411f51e 100644 --- a/drivers/hwmon/lis3lv02d.c +++ b/drivers/hwmon/lis3lv02d.c @@ -307,19 +307,22 @@ void lis3lv02d_poweron(struct lis3lv02d *lis3) lis3->init(lis3); - /* LIS3 power on delay is quite long */ - msleep(lis3->pwron_delay / lis3lv02d_get_odr()); - /* * Common configuration * BDU: (12 bits sensors only) LSB and MSB values are not updated until * both have been read. So the value read will always be correct. + * Set BOOT bit to refresh factory tuning values. */ - if (lis3->whoami == WAI_12B) { - lis3->read(lis3, CTRL_REG2, ®); - reg |= CTRL2_BDU; - lis3->write(lis3, CTRL_REG2, reg); - } + lis3->read(lis3, CTRL_REG2, ®); + if (lis3->whoami == WAI_12B) + reg |= CTRL2_BDU | CTRL2_BOOT; + else + reg |= CTRL2_BOOT_8B; + lis3->write(lis3, CTRL_REG2, reg); + + /* LIS3 power on delay is quite long */ + msleep(lis3->pwron_delay / lis3lv02d_get_odr()); + if (lis3->reg_ctrl) lis3_context_restore(lis3); } diff --git a/drivers/hwmon/lis3lv02d.h b/drivers/hwmon/lis3lv02d.h index e54a1672ae6..77ebb15ea0b 100644 --- a/drivers/hwmon/lis3lv02d.h +++ b/drivers/hwmon/lis3lv02d.h @@ -150,6 +150,7 @@ enum lis3lv02d_ctrl4_3dc { enum lis302d_ctrl2 { HP_FF_WU2 = 0x08, HP_FF_WU1 = 0x04, + CTRL2_BOOT_8B = 0x40, }; enum lis3lv02d_ctrl3 { |