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lis3: separate configuration function for 8 bit device 

Separate configuration function for 8 bit version of the chip.  This way
generic part of the init function stays little bit more readable.

Signed-off-by: Samu Onkalo <samu.p.onkalo@nokia.com>
Acked-by: Eric Piel <eric.piel@tremplin-utc.net>
Tested-by: Daniel Mack <daniel@caiaq.de>
Cc: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Samu Onkalo 2010-05-24 14:33:34 -07:00 коммит произвёл Linus Torvalds
Родитель 58e814227d
Коммит ecc437aeee
1 изменённых файлов: 26 добавлений и 19 удалений
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45
drivers/hwmon/lis3lv02d.c
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@ -521,6 +521,30 @@ int lis3lv02d_remove_fs(struct lis3lv02d *lis3)
}
EXPORT_SYMBOL_GPL(lis3lv02d_remove_fs);
static void lis3lv02d_8b_configure(struct lis3lv02d *dev,
struct lis3lv02d_platform_data *p)
{
if (p->click_flags) {
dev->write(dev, CLICK_CFG, p->click_flags);
dev->write(dev, CLICK_TIMELIMIT, p->click_time_limit);
dev->write(dev, CLICK_LATENCY, p->click_latency);
dev->write(dev, CLICK_WINDOW, p->click_window);
dev->write(dev, CLICK_THSZ, p->click_thresh_z & 0xf);
dev->write(dev, CLICK_THSY_X,
(p->click_thresh_x & 0xf) |
(p->click_thresh_y << 4));
}
if (p->wakeup_flags) {
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);
}
}
/*
* Initialise the accelerometer and the various subsystems.
* Should be rather independent of the bus system.
@ -567,25 +591,8 @@ int lis3lv02d_init_device(struct lis3lv02d *dev)
if (dev->pdata) {
struct lis3lv02d_platform_data *p = dev->pdata;
if (p->click_flags && (dev->whoami == WAI_8B)) {
dev->write(dev, CLICK_CFG, p->click_flags);
dev->write(dev, CLICK_TIMELIMIT, p->click_time_limit);
dev->write(dev, CLICK_LATENCY, p->click_latency);
dev->write(dev, CLICK_WINDOW, p->click_window);
dev->write(dev, CLICK_THSZ, p->click_thresh_z & 0xf);
dev->write(dev, CLICK_THSY_X,
(p->click_thresh_x & 0xf) |
(p->click_thresh_y << 4));
}
if (p->wakeup_flags && (dev->whoami == WAI_8B)) {
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 (dev->whoami == WAI_8B)
lis3lv02d_8b_configure(dev, p);
if (p->irq_cfg)
dev->write(dev, CTRL_REG3, p->irq_cfg);