[PATCH 2/3] Cleanup of accelerometer driver: lis302dl-allow-unloading-module.patch

[Simon Kagstrom]

lis302dl-allow-unloading-module.patch

From: Simon Kagstrom <[EMAIL PROTECTED]>

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 <[EMAIL PROTECTED]>
---

 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 de8478d..b97cae7 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)