Searched refs:sysfslock (Results 1 – 1 of 1) sorted by relevance
72 struct mutex sysfslock; /* concurrent read and write */ member131 mutex_lock(&pdata->sysfslock); in appledisplay_bl_update_status()144 mutex_unlock(&pdata->sysfslock); in appledisplay_bl_update_status()157 mutex_lock(&pdata->sysfslock); in appledisplay_bl_get_brightness()173 mutex_unlock(&pdata->sysfslock); in appledisplay_bl_get_brightness()232 mutex_init(&pdata->sysfslock); in appledisplay_probe()