[Satellite A215, Realtek ALC268, Mic, Internal] No sound at all. My built-in internal mic won't record sounds.

https://gitlab.freedesktop.org/pulseaudio/pulseaudio/issues/618

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My built-in internal mic on my Toshiba Satellite-A215 will not pick up sounds. The external speakers work just fine, but once again the mic can't record any sounds. I have an Ubuntu 14.04.4 LTS.

Below is a link of my ALSA "info" that may be useful:

http://www.alsa-project.org/db/?f=10a2337ec9b863d7414121dff10f30ad0cdf430d

I've tried the ALSA DKMS update recommended to me by an ubuntuforums.org user from this link:

https://wiki.ubuntu.com/Audio/UpgradingAlsa/DKMS

However after following the instructions from the above link, the mic still has not worked.

The same Ubuntu forum user suggested I file a bug. He/she provided me with a link from "an old report from an A215 with the same ALC268 codec":

https://bugs.launchpad.net/ubuntu/+s...r/+bug/1081353

I provided this because it may be helpful in the debug process.

The version of ALSA I have is shown below:
Advanced Linux Sound Architecture Driver Version k3.19.0-61-generic.

Any help would be appreciated, please let me know if you need any additional info.

PS
I've also provided a link below of the ongoing forum discussion I've been having at ubuntuforums.org below:

http://ubuntuforums.org/showthread.php?t=2323851

ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: alsa-base 1.0.25+dfsg-0ubuntu4
ProcVersionSignature: Ubuntu 3.19.0-61.69~14.04.1-generic 3.19.8-ckt21
Uname: Linux 3.19.0-61-generic i686
ApportVersion: 2.14.1-0ubuntu3.21
Architecture: i386
AudioDevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/controlC0: richard 1533 F.... pulseaudio
CurrentDesktop: Unity
Date: Sat Jun 11 10:49:01 2016
InstallationDate: Installed on 2016-01-06 (156 days ago)
InstallationMedia: Ubuntu 14.04.3 LTS "Trusty Tahr" - Beta i386 (20150805)
PackageArchitecture: all
SourcePackage: alsa-driver
Symptom: audio
Symptom_AlsaRecordingTest: ALSA recording test through plughw:SB failed
Symptom_Card: Built-in Audio - HDA ATI SB
Symptom_DevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/controlC0: richard 1533 F.... pulseaudio
Symptom_Jack: Mic, Internal
Symptom_Type: No sound at all
Title: [Satellite A215, Realtek ALC268, Mic, Internal] No sound at all
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 05/23/2007
dmi.bios.vendor: TOSHIBA
dmi.bios.version: V1.10
dmi.board.name: IALAA
dmi.board.vendor: TOSHIBA
dmi.board.version: 1.00
dmi.chassis.asset.tag: *
dmi.chassis.type: 10
dmi.chassis.vendor: TOSHIBA
dmi.chassis.version: N/A
dmi.modalias: dmi:bvnTOSHIBA:bvrV1.10:bd05/23/2007:svnTOSHIBA:pnSatelliteA215:pvrPSAEGU-01700U:rvnTOSHIBA:rnIALAA:rvr1.00:cvnTOSHIBA:ct10:cvrN/A:
dmi.product.name: Satellite A215
dmi.product.version: PSAEGU-01700U
dmi.sys.vendor: TOSHIBA
mtime.conffile..etc.modprobe.d.alsa.base.conf: 2016-06-06T05:53:22.078529