Difference between revisions of "Raspberry Pi ALSA"

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(More on the ALSA Sound Drivers and Utilities)
(Enabling the Sound Module)
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== Enabling the Sound Module ==
 
== Enabling the Sound Module ==
Reboot the RP and when it comes back up, its time to load the Sound Drivers.  This will be done via loadable kernel module (LKM) which are object file  that contains code to extend the Linux kernel.  lsmod is a command on Linux systems which prints the contents of the /proc/modules file.  It shows which loadable kernel modules are currently loaded.  In my case, lsmod gives me:
+
Reboot the RP and when it comes back up, its time to load the Sound Drivers.  This will be done via loadable kernel module (LKM) which are object file  that contains code to extend the Linux kernel.  ''lsmod'' is a command on Linux systems which prints the contents of the ''/proc/modules'' file.  It shows which loadable kernel modules are currently loaded.  In my case, lsmod gives me:
  
 
The snd-bcm2835 module appears to be already installed. RPi has a Broadcom  [http://www.broadcom.com/products/BCM2835 BCM2835] [http://www.androidauthority.com/how-it-works-systems-on-a-chip-soc-93587/ system on a chip] (SoC) which is a High Definition 1080p Embedded Multimedia Applications Processor.  snd-bcm2835 is the sound driver.  If  lsmod doesn’t list the snd-bcn2835 module, then it can be installed via the following command:
 
The snd-bcm2835 module appears to be already installed. RPi has a Broadcom  [http://www.broadcom.com/products/BCM2835 BCM2835] [http://www.androidauthority.com/how-it-works-systems-on-a-chip-soc-93587/ system on a chip] (SoC) which is a High Definition 1080p Embedded Multimedia Applications Processor.  snd-bcm2835 is the sound driver.  If  lsmod doesn’t list the snd-bcn2835 module, then it can be installed via the following command:

Revision as of 20:55, 26 April 2013