Date: Tue, 21 Apr 2015 16:59:27 -0700 From: David Wolfskill <david@catwhisker.org> To: multimedia@freebsd.org Subject: Re: Sound OK using built-in speakers, but loud "static" with headphones Message-ID: <20150421235927.GR1223@albert.catwhisker.org> In-Reply-To: <20150416173126.GG36163@albert.catwhisker.org> References: <20150416173126.GG36163@albert.catwhisker.org>
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--/9R6240woFu/reHS Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Thu, Apr 16, 2015 at 10:31:26AM -0700, David Wolfskill wrote: > This is on a fairly new laptop (ref. > <https://wiki.freebsd.org/Laptops/Dell_Precision_M4800>, so there is > some probability that there's an electrical or mechanical issue with the > hardware... but I'd like to eliminate other possibilities before losing > the ability to use the machine for several days. > ... I discovered "sysctl dev.hdac.0.pindump=3D1"; here are the corresponding pin dumps to go with: g1-254(10.1-S)[24] cat /dev/sndstat=20 Installed devices: pcm0: <NVIDIA (0x0042) (HDMI/DP 8ch)> (play) pcm1: <NVIDIA (0x0042) (HDMI/DP 8ch)> (play) pcm2: <Realtek (0x0292) (Analog 2.0+HP/2.0)> (play/rec) default pcm3: <Realtek (0x0292) (Analog)> (play/rec) g1-254(10.1-S)[25]=20 hdaa0: Dumping AFG pins: hdaa0: nid 0x as seq device conn jack loc color misc hdaa0: 4 585600f0 15 0 Digital-out None Digital 0x18 Unknown 0 D= ISA hdaa0: Caps: OUT Sense: 0x00000000 (disconnected) hdaa0: 5 185600f0 15 0 Digital-out Jack Digital 0x18 Unknown 0 hdaa0: Caps: OUT Sense: 0x00000000 (disconnected) hdaa0: 6 585600f0 15 0 Digital-out None Digital 0x18 Unknown 0 D= ISA hdaa0: Caps: OUT Sense: 0x00000000 (disconnected) hdaa0: 7 185600f0 15 0 Digital-out Jack Digital 0x18 Unknown 0 hdaa0: Caps: OUT Sense: 0x00000000 (disconnected) hdaa0: NumGPIO=3D0 NumGPO=3D0 NumGPI=3D0 GPIWake=3D0 GPIUnsol=3D0 hdaa1: Dumping AFG pins: hdaa1: nid 0x as seq device conn jack loc color misc hdaa1: 18 90a60140 4 0 Mic Fixed Digital Internal Unknown 1 hdaa1: Caps: IN =20 hdaa1: 19 411111f0 15 0 Speaker None 1/8 Rear Black 1 D= ISA hdaa1: Caps: IN =20 hdaa1: 20 90170110 1 0 Speaker Fixed Analog Internal Unknown 1 hdaa1: Caps: OUT EAPD =20 hdaa1: 21 0221401f 1 15 Headphones Jack 1/8 Front Green 0 hdaa1: Caps: OUT HP EAPD Sense: 0x00000000 (disconnected) hdaa1: 22 01014020 2 0 Line-out Jack 1/8 Rear Green 0 hdaa1: Caps: OUT HP EAPD Sense: 0x00000000 (disconnected) hdaa1: 24 02a19031 3 1 Mic Jack 1/8 Front Pink 0 hdaa1: Caps: IN OUT VREF Sense: 0x00000000 (disconnected) hdaa1: 25 01a1903e 3 14 Mic Jack 1/8 Rear Pink 0 hdaa1: Caps: IN Sense: 0x00000000 (disconnected) hdaa1: 26 411111f0 15 0 Speaker None 1/8 Rear Black 1 D= ISA hdaa1: Caps: IN VREF Sense: 0x00000000 (disconnected) hdaa1: 27 411111f0 15 0 Speaker None 1/8 Rear Black 1 D= ISA hdaa1: Caps: IN OUT VREF Sense: 0x00000000 (disconnected) hdaa1: 30 411111f0 15 0 Speaker None 1/8 Rear Black 1 D= ISA hdaa1: Caps: OUT Sense: 0x00000000 (disconnected) hdaa1: NumGPIO=3D5 NumGPO=3D0 NumGPI=3D0 GPIWake=3D0 GPIUnsol=3D1 hdaa1: GPIO0: disabled hdaa1: GPIO1: disabled hdaa1: GPIO2: disabled hdaa1: GPIO3: disabled hdaa1: GPIO4: disabled Maybe there's something I can do with those pin assignments to stop the unwanted noise from going to the headphones (or anywhere else)...? Peace, david --=20 David H. Wolfskill david@catwhisker.org Those who murder in the name of God or prophet are blasphemous cowards. See http://www.catwhisker.org/~david/publickey.gpg for my public key. --/9R6240woFu/reHS Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQJ8BAEBCgBmBQJVNuReXxSAAAAAAC4AKGlzc3Vlci1mcHJAbm90YXRpb25zLm9w ZW5wZ3AuZmlmdGhob3JzZW1hbi5uZXQ4RThEMDY4QTIxMjc1MDZFRDIzODYzRTc4 QTY3RjlDOERFRjQxOTNCAAoJEIpn+cje9Bk7vfwP/jP4e5HGtM5F49bQN57uFHdJ jCKn6x9qu4udh/in/MPTt3uqETrG9jgvNWMhHvzA7qr8wQjTKv3BhBEQfAHOGXTc I247aP4oYL2N+KZj5rhVIH6IKRWDZf8DwsH7VPjC5/KTvV6eFmOMwX4iM+Ql4UWo a9a+f0WSkctql3scsc6UdNdAYXhHnM/XG6GJwLPOkYTE3BAgp8TYBzO/Y/rrgXLS TL91EsqcjQfokUFYIbdGVLP5j9k2Eahqiq3bKYd4IYUherM0uKETsmFzfkEDD7zS wxhI4cMcxsC15THOm84RWEm6CEfdCWE8Ud20Q78dNzuFKm1q386N01LhQNO0uQ5H Di+BdNxmEow7qk5pHa7Ltfe/yI1quYsDTx3yjrTmKaKioB2m4wB+V4qrdAUDH4d1 qzCc/5gTxpjRSkp5wlg6U+WDROSPsfxDK8HOuoalrHx/H3Dx/pI6N3VDiml/JIWc fKbi/gHRpa0ctY+y21TGFFYT//I26TlaVqvtHDb3tD2yJUS1ar588n/Wta7ZpckP H3FU0XbWW3A9b77KOSoWivjiKvtlh2UluaFZQoJ4lHSfu5rrsxcdvkVoJJKN3pSm F+7fUnGxvU7UeMQdgE4HdoACF3rP841sy15nL7hbAjWKOIHWoJAPppso5CLhJ383 ZUyCJCxjUR2RTQLm0kp5 =8OFE -----END PGP SIGNATURE----- --/9R6240woFu/reHS--
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