diff options
| author | Daniel Mack <daniel@caiaq.de> | 2009-09-21 17:04:43 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-09-22 07:17:48 -0700 |
| commit | 8873c33483e62988ed886230aab71ef4c678f710 (patch) | |
| tree | 441cdc48497b84c823330241ecff147642e136a4 /drivers/hwmon/lis3lv02d.c | |
| parent | 0ec48915e8bbb37dea3df85c41e4c3498b95664b (diff) | |
lis3: add free-fall/wakeup function via platform_data
This offers a way for platforms to define flags and thresholds for the
free-fall/wakeup functions of the lis302d chips.
More registers needed to be seperated as they are specific to the
Signed-off-by: Daniel Mack <daniel@caiaq.de>
Acked-by: Pavel Machek <pavel@ucw.cz>
Cc: Eric Piel <eric.piel@tremplin-utc.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/hwmon/lis3lv02d.c')
| -rw-r--r-- | drivers/hwmon/lis3lv02d.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/hwmon/lis3lv02d.c b/drivers/hwmon/lis3lv02d.c index 271338bdb6b..cf5afb9a10a 100644 --- a/drivers/hwmon/lis3lv02d.c +++ b/drivers/hwmon/lis3lv02d.c @@ -454,6 +454,15 @@ int lis3lv02d_init_device(struct lis3lv02d *dev) (p->click_thresh_y << 4)); } + if (p->wakeup_flags && (dev->whoami == LIS_SINGLE_ID)) { + dev->write(dev, FF_WU_CFG_1, p->wakeup_flags); + dev->write(dev, FF_WU_THS_1, p->wakeup_thresh & 0x7f); + /* default to 2.5ms for now */ + dev->write(dev, FF_WU_DURATION_1, 1); + /* enable high pass filter for both free-fall units */ + dev->write(dev, CTRL_REG2, HP_FF_WU1 | HP_FF_WU2); + } + if (p->irq_cfg) dev->write(dev, CTRL_REG3, p->irq_cfg); } |