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| author | Simon Kagstrom <simon.kagstrom@gmail.com> | 2008-11-19 17:10:51 +0000 |
|---|---|---|
| committer | Andy Green <agreen@pads.home.warmcat.com> | 2008-11-19 17:10:51 +0000 |
| commit | 7ab4c76ca35913d2e200d813356c8dbb03683619 (patch) | |
| tree | 558585d958c9574d15c6afbbce1974073913bf09 /drivers/input/misc/lis302dl.c | |
| parent | 465eaf6dab5e100567887d41a3402ad43471e24e (diff) | |
lis302dl-allow-unloading-module.patch
This patch fixes module unloading for the accelerometer (actually module
loading failed before). The two problems were that the interrupt was not
unregistered, and that the device was left in a "strange" state.
Signed-off-by: Simon Kagstrom <simon.kagstrom@gmail.com>
Diffstat (limited to 'drivers/input/misc/lis302dl.c')
| -rw-r--r-- | drivers/input/misc/lis302dl.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/input/misc/lis302dl.c b/drivers/input/misc/lis302dl.c index 553a731097b..944e5ebcccf 100644 --- a/drivers/input/misc/lis302dl.c +++ b/drivers/input/misc/lis302dl.c @@ -462,11 +462,15 @@ static int __devexit lis302dl_remove(struct spi_device *spi) struct lis302dl_info *lis = dev_get_drvdata(&spi->dev); unsigned long flags; - /* power down the device */ + /* Reset and power down the device */ local_save_flags(flags); + reg_write(lis, LIS302DL_REG_CTRL3, 0x00); + reg_write(lis, LIS302DL_REG_CTRL2, 0x00); reg_write(lis, LIS302DL_REG_CTRL1, 0x00); local_irq_restore(flags); + /* Cleanup resources */ + free_irq(lis->spi_dev->irq, lis); sysfs_remove_group(&spi->dev.kobj, &lis302dl_attr_group); input_unregister_device(lis->input_dev); if (lis->input_dev) |