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Thu, 25 Mar 2021 02:48:55 +0000 Received: by smtp408.mail.bf1.yahoo.com (VZM Hermes SMTP Server) with ESMTPA ID f92512799942fab12fb64a1de86ad118; Thu, 25 Mar 2021 02:48:54 +0000 (UTC) Date: Wed, 24 Mar 2021 22:48:53 -0400 From: Vlad Markov To: freebsd-questions@freebsd.org Cc: Aim Subject: Re: Audio Questions Message-Id: <20210324224853.f5e858b65e4620d7db219d35@aim.com> In-Reply-To: <20210324152709.3b8dd9d7f42453ff98d0fd8c@aim.com> References: <20210324152709.3b8dd9d7f42453ff98d0fd8c.ref@aim.com> <20210324152709.3b8dd9d7f42453ff98d0fd8c@aim.com> X-Mailer: Sylpheed 3.7.0 (GTK+ 2.24.33; amd64-portbld-freebsd12.1) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Rspamd-Queue-Id: 4F5V145mBwz4RfP X-Spamd-Bar: - X-Spamd-Result: default: False [-1.50 / 15.00]; TO_DN_SOME(0.00)[]; FREEMAIL_FROM(0.00)[aim.com]; MV_CASE(0.50)[]; R_SPF_ALLOW(-0.20)[+ip4:74.6.128.0/21]; DKIM_TRACE(0.00)[aim.com:+]; RCPT_COUNT_TWO(0.00)[2]; DMARC_POLICY_ALLOW(-0.50)[aim.com,reject]; NEURAL_HAM_SHORT(-1.00)[-1.000]; FROM_EQ_ENVFROM(0.00)[]; RCVD_TLS_LAST(0.00)[]; MIME_TRACE(0.00)[0:+]; FREEMAIL_ENVFROM(0.00)[aim.com]; ASN(0.00)[asn:26101, ipnet:74.6.128.0/21, country:US]; RBL_DBL_DONT_QUERY_IPS(0.00)[74.6.133.125:from]; MID_RHS_MATCH_FROM(0.00)[]; ARC_NA(0.00)[]; R_DKIM_ALLOW(-0.20)[aim.com:s=a2048]; FROM_HAS_DN(0.00)[]; NEURAL_HAM_LONG(-1.00)[-1.000]; MIME_GOOD(-0.10)[text/plain]; NEURAL_SPAM_MEDIUM(1.00)[1.000]; SPAMHAUS_ZRD(0.00)[74.6.133.125:from:127.0.2.255]; TO_MATCH_ENVRCPT_SOME(0.00)[]; RCVD_IN_DNSWL_NONE(0.00)[74.6.133.125:from]; RWL_MAILSPIKE_POSSIBLE(0.00)[74.6.133.125:from]; FREEMAIL_CC(0.00)[aim.com]; RCVD_COUNT_TWO(0.00)[2]; MAILMAN_DEST(0.00)[freebsd-questions] X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 25 Mar 2021 02:48:58 -0000 On Wed, 24 Mar 2021 15:27:09 -0400 Aim via freebsd-questions wrote: > > When I added a webcam last night my audio stopped working. I was very surprised. > > I got it working again but have no clue what I did. In loader.conf I did the following changes: > > # Original > # hint.hdac.0.cad0.nid17.config="as=1 seq=15" > # hint.hdac.0.cad0.nid22.config="as=1 seq=0" > # end of original > hint.hdac.0.cad0.nid21.config="as=1 seq=15" > hint.hdac.0.cad0.nid28.config="as=1 seq=0" > > Is there something I can read that explains all these elements? What is a NID, for example? I just guessed after reading dmesg. The man page sent me here: Intel High Definition Audio specification I now know cad = codec address, nid = node id. A cad has many nids which correspond to inputs/outputs. The man page now made sense. cad0.nid28 is line out. A seq of 0 turned it off. I switched to a seq of 15 which implements jack detection. cad0.nid21 was a disconnected microphone, it needed no value. In /etc/sysctl.conf setting "hw.snd.verbose=4" let me see everything. Still have no idea why things changed. --