audio in archlinux

audio-arch-linux

I am using Archlinux on ASUS X550L Laptop  

My System hardware specifications are  

************************************************************* 
  ➜  ~  sudo lshw -short
H/W path         Device    Class          Description
=====================================================
                           system         X550LC (ASUS-NotebookSKU)
/0                         bus            X550LC
/0/0                       memory         64KiB BIOS
/0/7                       processor      Core i7 (Fill By OEM)
/0/7/8                     memory         512KiB L2 cache
/0/7/9                     memory         128KiB L1 cache
/0/7/a                     memory         4MiB L3 cache
/0/b                       memory         8GiB System Memory
/0/b/0                     memory         4GiB SODIMM DDR3 Synchronous 1600 MHz (0.6 ns)
/0/b/1                     memory         DIMM [empty]
/0/b/2                     memory         4GiB SODIMM DDR3 Synchronous 1600 MHz (0.6 ns)
/0/b/3                     memory         DIMM [empty]
/0/100                     bridge         Haswell-ULT DRAM Controller
/0/100/2                   display        Haswell-ULT Integrated Graphics Controller
/0/100/3                   multimedia     Haswell-ULT HD Audio Controller
/0/100/4                   generic        Intel Corporation
/0/100/14                  bus            8 Series USB xHCI HC
/0/100/14/0      usb2      bus            xHCI Host Controller
/0/100/14/1      usb1      bus            xHCI Host Controller
/0/100/14/1/1              input          USB Optical Mouse
/0/100/14/1/5              multimedia     USB2.0 HD UVC WebCam
/0/100/16                  communication  8 Series HECI #0
/0/100/1b                  multimedia     8 Series HD Audio Controller
/0/100/1c                  bridge         8 Series PCI Express Root Port 1
/0/100/1c.2                bridge         8 Series PCI Express Root Port 3
/0/100/1c.2/0              generic        Realtek Semiconductor Co., Ltd.
/0/100/1c.2/0.1  enp2s0f1  network        RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller
/0/100/1c.3                bridge         8 Series PCI Express Root Port 4
/0/100/1c.3/0    wlp3s0f0  network        RT3290 Wireless 802.11n 1T/1R PCIe
/0/100/1c.3/0.1            generic        RT3290 Bluetooth
/0/100/1c.4                bridge         8 Series PCI Express Root Port 5
/0/100/1c.4/0              display        GF117M [GeForce 610M/710M/820M / GT 620M/625M/630M/720M]
/0/100/1d                  bus            8 Series USB EHCI #1
/0/100/1d/1      usb3      bus            EHCI Host Controller
/0/100/1d/1/1              bus            USB hub
/0/100/1f                  bridge         8 Series LPC Controller
/0/100/1f.2                storage        8 Series SATA Controller 1 [AHCI mode]
/0/100/1f.3                bus            8 Series SMBus Controller
/0/100/1f.6                generic        8 Series Thermal

********************************************************************************


    ➜  ~  aplay -l
    **** List of PLAYBACK Hardware Devices ****
    card 0: HDMI [HDA Intel HDMI], device 3: HDMI 0 [HDMI 0]
      Subdevices: 1/1
      Subdevice #0: subdevice #0
    card 1: PCH [HDA Intel PCH], device 0: ALC3236 Analog [ALC3236 Analog]
      Subdevices: 1/1
      Subdevice #0: subdevice #0
*******************************************

  ➜  ~  lspci      
  00:00.0 Host bridge: Intel Corporation Haswell-ULT DRAM Controller (rev 09)         
  00:02.0 VGA compatible controller: Intel Corporation Haswell-ULT Integrated Graphics Controller (rev 09)         
  00:03.0 Audio device: Intel Corporation Haswell-ULT HD Audio Controller (rev 09)         
  00:04.0 Signal processing controller: Intel Corporation Device 0a03 (rev 09)   
  00:14.0 USB controller: Intel Corporation 8 Series USB xHCI HC (rev 04)   
  00:16.0 Communication controller: Intel Corporation 8 Series HECI #0 (rev 04)   
  00:1b.0 Audio device: Intel Corporation 8 Series HD Audio Controller (rev 04)   
  00:1c.0 PCI bridge: Intel Corporation 8 Series PCI Express Root Port 1 (rev e4)   
  00:1c.2 PCI bridge: Intel Corporation 8 Series PCI Express Root Port 3 (rev e4)   
  00:1c.3 PCI bridge: Intel Corporation 8 Series PCI Express Root Port 4 (rev e4)   
  00:1c.4 PCI bridge: Intel Corporation 8 Series PCI Express Root Port 5 (rev e4)   
  00:1d.0 USB controller: Intel Corporation 8 Series USB EHCI #1 (rev 04)   
  00:1f.0 ISA bridge: Intel Corporation 8 Series LPC Controller (rev 04)   
  00:1f.2 SATA controller: Intel Corporation 8 Series SATA Controller 1 [AHCI mode] (rev 04)   
  00:1f.3 SMBus: Intel Corporation 8 Series SMBus Controller (rev 04)   
  00:1f.6 Signal processing controller: Intel Corporation 8 Series Thermal (rev 04)   
  02:00.0 Unassigned class [ff00]: Realtek Semiconductor Co., Ltd. Device 5287 (rev 01)   
  02:00.1 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller (rev 12)   
  03:00.1 Bluetooth: Ralink corp. RT3290 Bluetooth   
  04:00.0 3D controller: NVIDIA Corporation GF117M [GeForce 610M/710M/820M / GT 620M/625M/630M/720M] (rev a1)  

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  Dont have /etc/modprobe.d/alsa-base.conf file