diff options
Diffstat (limited to 'drivers/usb/gadget')
| -rw-r--r-- | drivers/usb/gadget/function/f_midi2.c | 19 |
1 files changed, 11 insertions, 8 deletions
diff --git a/drivers/usb/gadget/function/f_midi2.c b/drivers/usb/gadget/function/f_midi2.c index ec8cd7c7bb..0e38bb145e 100644 --- a/drivers/usb/gadget/function/f_midi2.c +++ b/drivers/usb/gadget/function/f_midi2.c @@ -150,6 +150,9 @@ struct f_midi2 { #define func_to_midi2(f) container_of(f, struct f_midi2, func) +/* convert from MIDI protocol number (1 or 2) to SNDRV_UMP_EP_INFO_PROTO_* */ +#define to_ump_protocol(v) (((v) & 3) << 8) + /* get EP name string */ static const char *ump_ep_name(const struct f_midi2_ep *ep) { @@ -564,8 +567,7 @@ static void reply_ump_stream_ep_config(struct f_midi2_ep *ep) .status = UMP_STREAM_MSG_STATUS_STREAM_CFG, }; - if ((ep->info.protocol & SNDRV_UMP_EP_INFO_PROTO_MIDI_MASK) == - SNDRV_UMP_EP_INFO_PROTO_MIDI2) + if (ep->info.protocol == 2) rep.protocol = UMP_STREAM_MSG_EP_INFO_CAP_MIDI2 >> 8; else rep.protocol = UMP_STREAM_MSG_EP_INFO_CAP_MIDI1 >> 8; @@ -627,13 +629,13 @@ static void process_ump_stream_msg(struct f_midi2_ep *ep, const u32 *data) return; case UMP_STREAM_MSG_STATUS_STREAM_CFG_REQUEST: if (*data & UMP_STREAM_MSG_EP_INFO_CAP_MIDI2) { - ep->info.protocol = SNDRV_UMP_EP_INFO_PROTO_MIDI2; + ep->info.protocol = 2; DBG(midi2, "Switching Protocol to MIDI2\n"); } else { - ep->info.protocol = SNDRV_UMP_EP_INFO_PROTO_MIDI1; + ep->info.protocol = 1; DBG(midi2, "Switching Protocol to MIDI1\n"); } - snd_ump_switch_protocol(ep->ump, ep->info.protocol); + snd_ump_switch_protocol(ep->ump, to_ump_protocol(ep->info.protocol)); reply_ump_stream_ep_config(ep); return; case UMP_STREAM_MSG_STATUS_FB_DISCOVERY: @@ -1065,7 +1067,8 @@ static void f_midi2_midi1_ep_out_complete(struct usb_ep *usb_ep, group = midi2->out_cable_mapping[cable].group; bytes = midi1_packet_bytes[*buf & 0x0f]; for (c = 0; c < bytes; c++) { - snd_ump_convert_to_ump(cvt, group, ep->info.protocol, + snd_ump_convert_to_ump(cvt, group, + to_ump_protocol(ep->info.protocol), buf[c + 1]); if (cvt->ump_bytes) { snd_ump_receive(ep->ump, cvt->ump, @@ -1375,7 +1378,7 @@ static void assign_block_descriptors(struct f_midi2 *midi2, desc->nNumGroupTrm = b->num_groups; desc->iBlockItem = ep->blks[blk].string_id; - if (ep->info.protocol & SNDRV_UMP_EP_INFO_PROTO_MIDI2) + if (ep->info.protocol == 2) desc->bMIDIProtocol = USB_MS_MIDI_PROTO_2_0; else desc->bMIDIProtocol = USB_MS_MIDI_PROTO_1_0_128; @@ -1552,7 +1555,7 @@ static int f_midi2_create_card(struct f_midi2 *midi2) if (midi2->info.static_block) ump->info.flags |= SNDRV_UMP_EP_INFO_STATIC_BLOCKS; ump->info.protocol_caps = (ep->info.protocol_caps & 3) << 8; - ump->info.protocol = (ep->info.protocol & 3) << 8; + ump->info.protocol = to_ump_protocol(ep->info.protocol); ump->info.version = 0x0101; ump->info.family_id = ep->info.family; ump->info.model_id = ep->info.model; |