diff options
| author | Samu Onkalo <samu.p.onkalo@nokia.com> | 2009-12-14 18:01:43 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-12-15 08:53:36 -0800 |
| commit | 539954120b84c44521df6d1997e340a04418db6d (patch) | |
| tree | 7bc6a8cdcff06dd4eafbe7af8b95a49bf73b9f14 /drivers/hwmon | |
| parent | 2db4a76d5f3554e9e5632c8f91828313318579c8 (diff) | |
lis3lv02d: remove calibaration functionality
Chip is calibrated by the manufacturer. There is no need to calibarate it
at driver level. If the chip is used as a joystick, calibaration can be
done using joystick device calibration mechanism.
Signed-off-by: Samu Onkalo <samu.p.onkalo@nokia.com>
Acked-by: Éric Piel <Eric.Piel@tremplin-utc.net>
Cc: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/hwmon')
| -rw-r--r-- | drivers/hwmon/lis3lv02d.c | 32 | ||||
| -rw-r--r-- | drivers/hwmon/lis3lv02d.h | 3 |
2 files changed, 3 insertions, 32 deletions
diff --git a/drivers/hwmon/lis3lv02d.c b/drivers/hwmon/lis3lv02d.c index 55ec883e202..02ac5fa5a05 100644 --- a/drivers/hwmon/lis3lv02d.c +++ b/drivers/hwmon/lis3lv02d.c @@ -350,19 +350,12 @@ static void lis3lv02d_joystick_poll(struct input_polled_dev *pidev) int x, y, z; lis3lv02d_get_xyz(&lis3_dev, &x, &y, &z); - input_report_abs(pidev->input, ABS_X, x - lis3_dev.xcalib); - input_report_abs(pidev->input, ABS_Y, y - lis3_dev.ycalib); - input_report_abs(pidev->input, ABS_Z, z - lis3_dev.zcalib); + input_report_abs(pidev->input, ABS_X, x); + input_report_abs(pidev->input, ABS_Y, y); + input_report_abs(pidev->input, ABS_Z, z); input_sync(pidev->input); } - -static inline void lis3lv02d_calibrate_joystick(void) -{ - lis3lv02d_get_xyz(&lis3_dev, - &lis3_dev.xcalib, &lis3_dev.ycalib, &lis3_dev.zcalib); -} - int lis3lv02d_joystick_enable(void) { struct input_dev *input_dev; @@ -379,8 +372,6 @@ int lis3lv02d_joystick_enable(void) lis3_dev.idev->poll_interval = MDPS_POLL_INTERVAL; input_dev = lis3_dev.idev->input; - lis3lv02d_calibrate_joystick(); - input_dev->name = "ST LIS3LV02DL Accelerometer"; input_dev->phys = DRIVER_NAME "/input0"; input_dev->id.bustype = BUS_HOST; @@ -436,20 +427,6 @@ static ssize_t lis3lv02d_position_show(struct device *dev, return sprintf(buf, "(%d,%d,%d)\n", x, y, z); } -static ssize_t lis3lv02d_calibrate_show(struct device *dev, - struct device_attribute *attr, char *buf) -{ - return sprintf(buf, "(%d,%d,%d)\n", lis3_dev.xcalib, lis3_dev.ycalib, lis3_dev.zcalib); -} - -static ssize_t lis3lv02d_calibrate_store(struct device *dev, - struct device_attribute *attr, - const char *buf, size_t count) -{ - lis3lv02d_calibrate_joystick(); - return count; -} - static ssize_t lis3lv02d_rate_show(struct device *dev, struct device_attribute *attr, char *buf) { @@ -458,14 +435,11 @@ static ssize_t lis3lv02d_rate_show(struct device *dev, static DEVICE_ATTR(selftest, S_IRUSR, lis3lv02d_selftest_show, NULL); static DEVICE_ATTR(position, S_IRUGO, lis3lv02d_position_show, NULL); -static DEVICE_ATTR(calibrate, S_IRUGO|S_IWUSR, lis3lv02d_calibrate_show, - lis3lv02d_calibrate_store); static DEVICE_ATTR(rate, S_IRUGO, lis3lv02d_rate_show, NULL); static struct attribute *lis3lv02d_attributes[] = { &dev_attr_selftest.attr, &dev_attr_position.attr, - &dev_attr_calibrate.attr, &dev_attr_rate.attr, NULL }; diff --git a/drivers/hwmon/lis3lv02d.h b/drivers/hwmon/lis3lv02d.h index 166794cb91a..1e9fb03dcd5 100644 --- a/drivers/hwmon/lis3lv02d.h +++ b/drivers/hwmon/lis3lv02d.h @@ -216,9 +216,6 @@ struct lis3lv02d { struct input_polled_dev *idev; /* input device */ struct platform_device *pdev; /* platform device */ atomic_t count; /* interrupt count after last read */ - int xcalib; /* calibrated null value for x */ - int ycalib; /* calibrated null value for y */ - int zcalib; /* calibrated null value for z */ struct axis_conversion ac; /* hw -> logical axis */ u32 irq; /* IRQ number */ |