"Buffer size", NULL},
{SR_CONF_TIMEBASE, SR_T_RATIONAL_PERIOD, "timebase",
"Time base", NULL},
- {SR_CONF_FILTER, SR_T_STRING, "filter",
- "Filter targets", NULL},
+ {SR_CONF_FILTER, SR_T_BOOL, "filter",
+ "Filter", NULL},
{SR_CONF_VDIV, SR_T_RATIONAL_VOLT, "vdiv",
"Volts/div", NULL},
{SR_CONF_COUPLING, SR_T_STRING, "coupling",