diff options
Diffstat (limited to 'drivers/hwmon/applesmc.c')
| -rw-r--r-- | drivers/hwmon/applesmc.c | 38 |
1 files changed, 7 insertions, 31 deletions
diff --git a/drivers/hwmon/applesmc.c b/drivers/hwmon/applesmc.c index d616174807a..87a5fd51dd5 100644 --- a/drivers/hwmon/applesmc.c +++ b/drivers/hwmon/applesmc.c @@ -448,38 +448,22 @@ static int applesmc_read_motion_sensor(int index, s16* value) } /* - * applesmc_device_init - initialize the accelerometer. Returns zero on success - * and negative error code on failure. Can sleep. + * applesmc_device_init - initialize the accelerometer. Can sleep. */ -static int applesmc_device_init(void) +static void applesmc_device_init(void) { - int total, ret = -ENXIO; + int total; u8 buffer[2]; if (!applesmc_accelerometer) - return 0; + return; mutex_lock(&applesmc_lock); for (total = INIT_TIMEOUT_MSECS; total > 0; total -= INIT_WAIT_MSECS) { - if (debug) - printk(KERN_DEBUG "applesmc try %d\n", total); if (!applesmc_read_key(MOTION_SENSOR_KEY, buffer, 2) && - (buffer[0] != 0x00 || buffer[1] != 0x00)) { - if (total == INIT_TIMEOUT_MSECS) { - printk(KERN_DEBUG "applesmc: device has" - " already been initialized" - " (0x%02x, 0x%02x).\n", - buffer[0], buffer[1]); - } else { - printk(KERN_DEBUG "applesmc: device" - " successfully initialized" - " (0x%02x, 0x%02x).\n", - buffer[0], buffer[1]); - } - ret = 0; + (buffer[0] != 0x00 || buffer[1] != 0x00)) goto out; - } buffer[0] = 0xe0; buffer[1] = 0x00; applesmc_write_key(MOTION_SENSOR_KEY, buffer, 2); @@ -490,7 +474,6 @@ static int applesmc_device_init(void) out: mutex_unlock(&applesmc_lock); - return ret; } /* @@ -516,13 +499,8 @@ static int applesmc_get_fan_count(void) /* Device model stuff */ static int applesmc_probe(struct platform_device *dev) { - int ret; + applesmc_device_init(); - ret = applesmc_device_init(); - if (ret) - return ret; - - printk(KERN_INFO "applesmc: device successfully initialized.\n"); return 0; } @@ -539,9 +517,7 @@ static int applesmc_pm_resume(struct device *dev) /* Reinitialize device on resume from hibernation */ static int applesmc_pm_restore(struct device *dev) { - int ret = applesmc_device_init(); - if (ret) - return ret; + applesmc_device_init(); return applesmc_pm_resume(dev); } |