Hello!
I have tried the sgtl5000 on Nano and the headphone output and line output (using headphones) sounds fine. Here is what I see from the codec mixer controls …
Simple mixer control 'x Capture Attenuate Switch (-6dB)',0
Capabilities: pswitch pswitch-joined
Playback channels: Mono
Mono: Playback [off]
Simple mixer control 'x Capture Mux',0
Capabilities: enum
Items: 'MIC_IN' 'LINE_IN'
Item0: 'MIC_IN'
Simple mixer control 'x Capture ZC',0
Capabilities: pswitch pswitch-joined
Playback channels: Mono
Mono: Playback [on]
Simple mixer control 'x Headphone',0
Capabilities: pvolume pswitch pswitch-joined
Playback channels: Front Left - Front Right
Limits: Playback 0 - 127
Mono:
Front Left: Playback 103 [81%] [0.00dB] [on]
Front Right: Playback 103 [81%] [0.00dB] [on]
Simple mixer control 'x Headphone Mux',0
Capabilities: enum
Items: 'DAC' 'LINE_IN'
Item0: 'DAC'
Simple mixer control 'x Headphone Playback ZC',0
Capabilities: pswitch pswitch-joined
Playback channels: Mono
Mono: Playback [on]
Simple mixer control 'x Lineout',0
Capabilities: pvolume pswitch pswitch-joined
Playback channels: Front Left - Front Right
Limits: Playback 0 - 31
Mono:
Front Left: Playback 18 [58%] [-6.50dB] [on]
Front Right: Playback 18 [58%] [-6.50dB] [on]
Simple mixer control 'x Mic',0
Capabilities: volume volume-joined
Playback channels: Mono
Capture channels: Mono
Limits: 0 - 3
Mono: 0 [0%] [0.00dB]
Simple mixer control 'x PCM',0
Capabilities: pvolume
Playback channels: Front Left - Front Right
Limits: Playback 0 - 192
Mono:
Front Left: Playback 192 [100%]
Front Right: Playback 192 [100%]
And here is what I see from the register settings while speaker-test is running …
000: a011
002: 0061
004: 0008
006: 01b0
00a: 0010
00e: 0200
010: 3c3c
014: 015f
020: 0000
022: 1818
024: 0022
026: 0068
028: 01f1
02a: 0070
02c: 0322
02e: 0d0d
030: 72f9
032: 7599
034: 0000
036: 0017
03a: 0000
03c: 0000
100: 0000
102: 0000
104: 0040
106: 051f
108: 0000
10a: 0040
10c: 0000
10e: 0000
110: 0000
116: 002f
118: 002f
11a: 002f
11c: 002f
11e: 002f
120: 8000
122: 0000
124: 0510
126: 1473
128: 0028
12a: 0050
12c: 0000
12e: 0000
130: 0000
132: 0000
134: 0000
136: 0000
138: 0000
13a: 0000
Regards,
Jon