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| author | Jakub Kicinski <kuba@kernel.org> | 2021-10-15 02:50:14 +0300 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2021-10-15 02:50:14 +0300 |
| commit | e15f5972b8031f9069f41e24adff63bd34463b3a (patch) | |
| tree | d31c80ea86df9cdd9f8189dc2a89603aac57402f /drivers/usb/gadget/function/f_uac2.c | |
| parent | 8b017fbe0bbb98dd71fb4850f6b9cc0e136a26b8 (diff) | |
| parent | ec681c53f8d2d0ee362ff67f5b98dd8263c15002 (diff) | |
| download | linux-e15f5972b8031f9069f41e24adff63bd34463b3a.tar.xz | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
tools/testing/selftests/net/ioam6.sh
7b1700e009cc ("selftests: net: modify IOAM tests for undef bits")
bf77b1400a56 ("selftests: net: Test for the IOAM encapsulation with IPv6")
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'drivers/usb/gadget/function/f_uac2.c')
| -rw-r--r-- | drivers/usb/gadget/function/f_uac2.c | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/drivers/usb/gadget/function/f_uac2.c b/drivers/usb/gadget/function/f_uac2.c index be864560bfea..ef55b8bb5870 100644 --- a/drivers/usb/gadget/function/f_uac2.c +++ b/drivers/usb/gadget/function/f_uac2.c @@ -674,11 +674,17 @@ static int set_ep_max_packet_size(const struct f_uac2_opts *uac2_opts, ssize = uac2_opts->c_ssize; } - if (!is_playback && (uac2_opts->c_sync == USB_ENDPOINT_SYNC_ASYNC)) + if (!is_playback && (uac2_opts->c_sync == USB_ENDPOINT_SYNC_ASYNC)) { + // Win10 requires max packet size + 1 frame srate = srate * (1000 + uac2_opts->fb_max) / 1000; - - max_size_bw = num_channels(chmask) * ssize * - DIV_ROUND_UP(srate, factor / (1 << (ep_desc->bInterval - 1))); + // updated srate is always bigger, therefore DIV_ROUND_UP always yields +1 + max_size_bw = num_channels(chmask) * ssize * + (DIV_ROUND_UP(srate, factor / (1 << (ep_desc->bInterval - 1)))); + } else { + // adding 1 frame provision for Win10 + max_size_bw = num_channels(chmask) * ssize * + (DIV_ROUND_UP(srate, factor / (1 << (ep_desc->bInterval - 1))) + 1); + } ep_desc->wMaxPacketSize = cpu_to_le16(min_t(u16, max_size_bw, max_size_ep)); |