Re: No sound on internal speaker

Try using card 1.  Look at amixer -c 1

On 7/29/20, Nicolas Martin <[email protected]> wrote:
> Hi,
>
> I have a Lenovo P520 workstation with an internal speaker on which I'd like
> to play sound.
> OS installed is RHEL 7U6 with alsa 1.1.6
>
> the internal speaker is enabled in BIOS; however I don't have any sound
> output on it.
>
> The only way to have sound is to plug an external speaker.
>
> If I load the module snd-pcsp, there is an additional card that appears
> that I can use to play sound on the internal speaker, although the sound
> quality is very poor (crackling).
>
> I don't really know where to dig concerning this issue; whether it's a bug
> with the kernel module or alsa; I'd appreciate some guidance.
>
> The audio chipset (not using the Nvidia output):
>  # lspci -v | grep -i audio
> 00:1f.3 Audio device: Intel Corporation 200 Series PCH HD Audio
> 65:00.1 Audio device: NVIDIA Corporation GP107GL High Definition Audio
> Controller (rev a1)
>
> Below the output of aplay -l and aplay -L:
> # aplay -l
> **** List of PLAYBACK Hardware Devices ****
> card 0: PCH [HDA Intel PCH], device 0: ALC662 rev3 Analog [ALC662 rev3
> Analog]
>   Subdevices: 1/1
>   Subdevice #0: subdevice #0
> card 0: PCH [HDA Intel PCH], device 4: ALC233 Analog [ALC233 Analog]
>   Subdevices: 1/1
>   Subdevice #0: subdevice #0
> card 1: NVidia [HDA NVidia], device 3: HDMI 0 [HDMI 0]
>   Subdevices: 1/1
>   Subdevice #0: subdevice #0
> card 1: NVidia [HDA NVidia], device 7: HDMI 1 [HDMI 1]
>   Subdevices: 1/1
>   Subdevice #0: subdevice #0
> card 1: NVidia [HDA NVidia], device 8: HDMI 2 [HDMI 2]
>   Subdevices: 1/1
>   Subdevice #0: subdevice #0
> card 1: NVidia [HDA NVidia], device 9: HDMI 3 [HDMI 3]
>   Subdevices: 1/1
>   Subdevice #0: subdevice #0
>
> # aplay -L
> null
>     Discard all samples (playback) or generate zero samples (capture)
> pulse
>     PulseAudio Sound Server
> default:CARD=PCH
>     HDA Intel PCH, ALC662 rev3 Analog
>     Default Audio Device
> sysdefault:CARD=PCH
>     HDA Intel PCH, ALC662 rev3 Analog
>     Default Audio Device
> front:CARD=PCH,DEV=0
>     HDA Intel PCH, ALC662 rev3 Analog
>     Front speakers
> surround21:CARD=PCH,DEV=0
>     HDA Intel PCH, ALC662 rev3 Analog
>     2.1 Surround output to Front and Subwoofer speakers
> surround40:CARD=PCH,DEV=0
>     HDA Intel PCH, ALC662 rev3 Analog
>     4.0 Surround output to Front and Rear speakers
> surround41:CARD=PCH,DEV=0
>     HDA Intel PCH, ALC662 rev3 Analog
>     4.1 Surround output to Front, Rear and Subwoofer speakers
> surround50:CARD=PCH,DEV=0
>     HDA Intel PCH, ALC662 rev3 Analog
>     5.0 Surround output to Front, Center and Rear speakers
> surround51:CARD=PCH,DEV=0
>     HDA Intel PCH, ALC662 rev3 Analog
>     5.1 Surround output to Front, Center, Rear and Subwoofer speakers
> surround71:CARD=PCH,DEV=0
>     HDA Intel PCH, ALC662 rev3 Analog
>     7.1 Surround output to Front, Center, Side, Rear and Woofer speakers
> hdmi:CARD=NVidia,DEV=0
>     HDA NVidia, HDMI 0
>     HDMI Audio Output
> hdmi:CARD=NVidia,DEV=1
>     HDA NVidia, HDMI 1
>     HDMI Audio Output
> hdmi:CARD=NVidia,DEV=2
>     HDA NVidia, HDMI 2
>     HDMI Audio Output
> hdmi:CARD=NVidia,DEV=3
>     HDA NVidia, HDMI 3
>     HDMI Audio Output
>


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