ad_diff 133 drivers/staging/comedi/drivers/dt2801.c int ad_diff; ad_diff 148 drivers/staging/comedi/drivers/dt2801.c .ad_diff = 2, ad_diff 156 drivers/staging/comedi/drivers/dt2801.c .ad_diff = 2, ad_diff 164 drivers/staging/comedi/drivers/dt2801.c .ad_diff = 1, ad_diff 172 drivers/staging/comedi/drivers/dt2801.c .ad_diff = 1, ad_diff 180 drivers/staging/comedi/drivers/dt2801.c .ad_diff = 1, ad_diff 188 drivers/staging/comedi/drivers/dt2801.c .ad_diff = 0, ad_diff 196 drivers/staging/comedi/drivers/dt2801.c .ad_diff = 0, ad_diff 204 drivers/staging/comedi/drivers/dt2801.c .ad_diff = 0,