diff options
Diffstat (limited to 'drivers/staging/comedi/comedi_fops.c')
| -rw-r--r-- | drivers/staging/comedi/comedi_fops.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/staging/comedi/comedi_fops.c b/drivers/staging/comedi/comedi_fops.c index 38de7f70f0b8..647c7f347ee0 100644 --- a/drivers/staging/comedi/comedi_fops.c +++ b/drivers/staging/comedi/comedi_fops.c @@ -90,6 +90,16 @@ static DEFINE_SPINLOCK(comedi_file_info_table_lock); static struct comedi_device_file_info *comedi_file_info_table[COMEDI_NUM_MINORS]; +struct comedi_device *comedi_dev_from_minor(unsigned minor) +{ + struct comedi_device_file_info *info; + + info = comedi_get_device_file_info(minor); + + return info ? info->device : NULL; +} +EXPORT_SYMBOL_GPL(comedi_dev_from_minor); + static struct comedi_subdevice * comedi_get_read_subdevice(const struct comedi_device_file_info *info) { |