diff options
| author | kkitayam <[email protected]> | 2023-03-13 22:50:31 +0900 |
|---|---|---|
| committer | kkitayam <[email protected]> | 2023-03-25 21:25:13 +0900 |
| commit | e508831561da46cfd03e59876e4218aadd57855c (patch) | |
| tree | 88f322c83598cc28e3143c40239cd8f0667b953a /src | |
| parent | 78732d6733fa75e6f8b25dc9e694d4d38e7b72ce (diff) | |
Update handle streaming interface
Diffstat (limited to 'src')
| -rw-r--r-- | src/class/video/video_device.c | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/src/class/video/video_device.c b/src/class/video/video_device.c index d53de2bac..8dd39242f 100644 --- a/src/class/video/video_device.c +++ b/src/class/video/video_device.c @@ -1168,7 +1168,6 @@ uint16_t videod_open(uint8_t rhport, tusb_desc_interface_t const * itf_desc, uin tusb_desc_vc_itf_t const *vc = _get_desc_vc(self); uint_fast8_t bInCollection = vc->ctl.bInCollection; - videod_streaming_interface_t *default_stm = NULL; /* Find the end of the video interface descriptor */ void const *cur = _next_desc_itf(itf_desc, end); for (uint8_t stm_idx = 0; stm_idx < bInCollection; ++stm_idx) { @@ -1186,9 +1185,16 @@ uint16_t videod_open(uint8_t rhport, tusb_desc_interface_t const * itf_desc, uin stm->desc.beg = (uint16_t) ((uintptr_t)cur - (uintptr_t)itf_desc); cur = _next_desc_itf(cur, end); stm->desc.end = (uint16_t) ((uintptr_t)cur - (uintptr_t)itf_desc); - if (!default_stm) default_stm = stm; + if (0 == stm_idx && 1 == bInCollection) { + /* If there is only one streaming interface and no alternate settings, + * host may not issue set_interface so open the streaming interface here. */ + uint8_t const *sbeg = (uint8_t const*)itf_desc + stm->desc.beg; + uint8_t const *send = (uint8_t const*)itf_desc + stm->desc.end; + if (end == _find_desc_itf(sbeg, send, _desc_itfnum(sbeg), 1)) { + TU_VERIFY(_open_vs_itf(rhport, stm, 0), 0); + } + } } - TU_VERIFY(_open_vs_itf(rhport, default_stm, 0), 0); self->len = (uint16_t) ((uintptr_t)cur - (uintptr_t)itf_desc); return (uint16_t) ((uintptr_t)cur - (uintptr_t)itf_desc); } @@ -1201,7 +1207,6 @@ bool videod_control_xfer_cb(uint8_t rhport, uint8_t stage, tusb_control_request_ int err; TU_VERIFY(request->bmRequestType_bit.recipient == TUSB_REQ_RCPT_INTERFACE); uint_fast8_t itfnum = tu_u16_low(request->wIndex); - /* Identify which control interface to use */ uint_fast8_t itf; for (itf = 0; itf < CFG_TUD_VIDEO; ++itf) { |