From owner-svn-src-stable-9@freebsd.org Sun Nov 11 12:35:31 2018 Return-Path: Delivered-To: svn-src-stable-9@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 94FB111033EB; Sun, 11 Nov 2018 12:35:31 +0000 (UTC) (envelope-from hselasky@FreeBSD.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "mxrelay.nyi.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 0EBEF7E9C0; Sun, 11 Nov 2018 12:35:31 +0000 (UTC) (envelope-from hselasky@FreeBSD.org) Received: from repo.freebsd.org (repo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:0]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id E3E32123A3; Sun, 11 Nov 2018 12:35:30 +0000 (UTC) (envelope-from hselasky@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id wABCZU3K053923; Sun, 11 Nov 2018 12:35:30 GMT (envelope-from hselasky@FreeBSD.org) Received: (from hselasky@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id wABCZUs3053922; Sun, 11 Nov 2018 12:35:30 GMT (envelope-from hselasky@FreeBSD.org) Message-Id: <201811111235.wABCZUs3053922@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: hselasky set sender to hselasky@FreeBSD.org using -f From: Hans Petter Selasky Date: Sun, 11 Nov 2018 12:35:30 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-9@freebsd.org Subject: svn commit: r340353 - stable/9/sys/dev/sound/usb X-SVN-Group: stable-9 X-SVN-Commit-Author: hselasky X-SVN-Commit-Paths: stable/9/sys/dev/sound/usb X-SVN-Commit-Revision: 340353 X-SVN-Commit-Repository: base MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Rspamd-Queue-Id: 0EBEF7E9C0 X-Spamd-Result: default: False [-106.87 / 200.00]; ARC_NA(0.00)[]; NEURAL_HAM_MEDIUM(-1.00)[-1.000,0]; ALLOW_DOMAIN_WHITELIST(-100.00)[FreeBSD.org]; FROM_HAS_DN(0.00)[]; RCPT_COUNT_THREE(0.00)[4]; TO_MATCH_ENVRCPT_ALL(0.00)[]; NEURAL_HAM_LONG(-1.00)[-1.000,0]; MIME_GOOD(-0.10)[text/plain]; TO_DN_NONE(0.00)[]; HAS_XAW(0.00)[]; R_SPF_SOFTFAIL(0.00)[~all]; DMARC_NA(0.00)[FreeBSD.org]; RCVD_COUNT_THREE(0.00)[4]; MX_GOOD(-0.01)[cached: mx1.FreeBSD.org]; NEURAL_HAM_SHORT(-1.00)[-0.996,0]; FROM_EQ_ENVFROM(0.00)[]; R_DKIM_NA(0.00)[]; RCVD_TLS_LAST(0.00)[]; ASN(0.00)[asn:11403, ipnet:2610:1c1:1::/48, country:US]; IP_SCORE(-3.77)[ip: (-9.91), ipnet: 2610:1c1:1::/48(-4.93), asn: 11403(-3.90), country: US(-0.09)] X-Rspamd-Server: mx1.freebsd.org X-BeenThere: svn-src-stable-9@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: SVN commit messages for only the 9-stable src tree List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 11 Nov 2018 12:35:31 -0000 Author: hselasky Date: Sun Nov 11 12:35:30 2018 New Revision: 340353 URL: https://svnweb.freebsd.org/changeset/base/340353 Log: MFC r340248: Don't read the USB audio sync endpoint when we don't use it to save isochronous bandwidth. Sponsored by: Mellanox Technologies Modified: stable/9/sys/dev/sound/usb/uaudio.c Directory Properties: stable/9/sys/ (props changed) Modified: stable/9/sys/dev/sound/usb/uaudio.c ============================================================================== --- stable/9/sys/dev/sound/usb/uaudio.c Sun Nov 11 12:34:19 2018 (r340352) +++ stable/9/sys/dev/sound/usb/uaudio.c Sun Nov 11 12:35:30 2018 (r340353) @@ -97,7 +97,7 @@ static int uaudio_default_bits = 32; static int uaudio_default_channels = 0; /* use default */ #ifdef USB_DEBUG -static int uaudio_debug = 0; +static int uaudio_debug; static SYSCTL_NODE(_hw_usb, OID_AUTO, uaudio, CTLFLAG_RW, 0, "USB uaudio"); @@ -115,6 +115,8 @@ SYSCTL_INT(_hw_usb_uaudio, OID_AUTO, default_bits, CTL TUNABLE_INT("hw.usb.uaudio.default_channels", &uaudio_default_channels); SYSCTL_INT(_hw_usb_uaudio, OID_AUTO, default_channels, CTLFLAG_RW, &uaudio_default_channels, 0, "uaudio default sample channels"); +#else +#define uaudio_debug 0 #endif #define UAUDIO_IRQS (8000 / UAUDIO_NFRAMES) /* interrupts per second */ @@ -2128,6 +2130,14 @@ uaudio_chan_play_sync_callback(struct usb_xfer *xfer, break; case USB_ST_SETUP: + /* + * Check if the recording stream can be used as a + * source of jitter information to save some + * isochronous bandwidth: + */ + if (ch->priv_sc->sc_rec_chan.num_alt != 0 && + uaudio_debug == 0) + break; usbd_xfer_set_frames(xfer, 1); usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_framelen(xfer)); usbd_transfer_submit(xfer);