On Sat, Aug 1, 2020 at 12:44 AM Samuel Sieb samuel@sieb.net wrote:
Let's see what "amixer -c0 scontents" gives.
[root@seveneves mythtv]# amixer -c0 scontents Simple mixer control 'PCM',0 Capabilities: pvolume cvolume pswitch pswitch-joined cswitch cswitch-joined Playback channels: Front Left - Front Right - Rear Left - Rear Right - Front Center - Woofer Capture channels: Front Left - Front Right Limits: Playback 0 - 87 Capture 0 - 63 Front Left: Playback 85 [98%] [-1.50dB] [on] Capture 23 [37%] [0.00dB] [on] Front Right: Playback 85 [98%] [-1.50dB] [on] Capture 23 [37%] [0.00dB] [on] Rear Left: Playback 84 [97%] [-2.25dB] [on] Rear Right: Playback 84 [97%] [-2.25dB] [on] Front Center: Playback 83 [95%] [-3.00dB] [on] Woofer: Playback 83 [95%] [-3.00dB] [on] Simple mixer control 'PCM Capture Source',0 Capabilities: enum Items: 'Mic' 'Line' 'Mixer' Item0: 'Mic' Simple mixer control 'PCM',1 Capabilities: pvolume pswitch pswitch-joined Playback channels: Front Left - Front Right Limits: Playback 0 - 87 Mono: Front Left: Playback 86 [99%] [-0.75dB] [on] Front Right: Playback 86 [99%] [-0.75dB] [on] Simple mixer control 'PCM',2 Capabilities: pswitch pswitch-joined Playback channels: Mono Mono: Playback [on] Simple mixer control 'Line',0 Capabilities: cvolume cswitch cswitch-joined Capture channels: Front Left - Front Right Limits: Capture 0 - 23 Front Left: Capture 0 [0%] [-17.25dB] [off] Front Right: Capture 0 [0%] [-17.25dB] [off] Simple mixer control 'Mic',0 Capabilities: cvolume cswitch cswitch-joined Capture channels: Front Left - Front Right Limits: Capture 0 - 63 Front Left: Capture 23 [37%] [0.00dB] [on] Front Right: Capture 23 [37%] [0.00dB] [on] Simple mixer control 'Mic',1 Capabilities: cvolume cswitch cswitch-joined Capture channels: Front Left - Front Right Limits: Capture 0 - 63 Front Left: Capture 23 [37%] [0.00dB] [on] Front Right: Capture 23 [37%] [0.00dB] [on] Simple mixer control 'Auto Gain Control',0 Capabilities: pswitch pswitch-joined Playback channels: Mono Mono: Playback [on] Simple mixer control 'Auto Gain Control',1 Capabilities: pswitch pswitch-joined Playback channels: Mono Mono: Playback [on] Simple mixer control 'Input Gain Pad Control',0 Capabilities: volume volume-joined Playback channels: Mono Capture channels: Mono Limits: 0 - 2 Mono: 1 [50%] Simple mixer control 'Input Gain Pad Control',1 Capabilities: volume Playback channels: Front Left - Front Right Capture channels: Front Left - Front Right Limits: 0 - 1 Front Left: 1 [100%] Front Right: 1 [100%] [root@seveneves mythtv]#