diff options
| -rw-r--r-- | sound/usb/mixer_scarlett2.c | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/sound/usb/mixer_scarlett2.c b/sound/usb/mixer_scarlett2.c index 13f65d963778..59f178dc8050 100644 --- a/sound/usb/mixer_scarlett2.c +++ b/sound/usb/mixer_scarlett2.c @@ -706,6 +706,9 @@ struct scarlett2_device_info { */ u8 direct_monitor; + /* the number of DSP channels */ + u8 dsp_count; + /* remap analogue outputs; 18i8 Gen 3 has "line 3/4" connected * internally to the analogue 7/8 outputs */ @@ -5827,12 +5830,17 @@ static void scarlett2_count_io(struct scarlett2_data *private) private->num_mux_srcs = srcs; private->num_mux_dsts = dsts; - /* Mixer inputs are mux outputs and vice versa */ + /* Mixer inputs are mux outputs and vice versa. + * Scarlett Gen 4 DSP I/O uses SCARLETT2_PORT_TYPE_MIX but + * doesn't have mixer controls. + */ private->num_mix_in = - port_count[SCARLETT2_PORT_TYPE_MIX][SCARLETT2_PORT_OUT]; + port_count[SCARLETT2_PORT_TYPE_MIX][SCARLETT2_PORT_OUT] - + info->dsp_count; private->num_mix_out = - port_count[SCARLETT2_PORT_TYPE_MIX][SCARLETT2_PORT_IN]; + port_count[SCARLETT2_PORT_TYPE_MIX][SCARLETT2_PORT_IN] - + info->dsp_count; /* Number of analogue line outputs */ private->num_line_out = |