Article [#5415] SND:CODEC:SSM2602: Default 40 dB gain overdrives the MICIN circuit

[#5415] SND:CODEC:SSM2602: Default 40 dB gain overdrives the MICIN circuit

Submitted By: Michael Hennerich

Open Date

2009-08-03 10:34:16     Close Date

2009-10-30 05:29:21

Priority:

Medium     Assignee:

Cliff Cai

Status:

Closed     Fixed In Release:

N/A

Found In Release:

2010R1     Release:

Category:

N/A     Board:

EZBRD

Processor:

BF526     Silicon Revision:

any

Is this bug repeatable?:

Yes     Resolution:

Fixed

Uboot version or rev.:

any     Toolchain version or rev.:

any

App binary format:

N/A     

Summary: SND:CODEC:SSM2602: Default 40 dB gain overdrives the MICIN circuit

Details:

Don't enable 40dB Mic Boost by default.

There is no SND Control to turn off MICBOOST2 (20dB) afterwards.

40 dB gain overdrives the MICIN circuit on the BF526-EZBRD. The BF527-EZKIT is not affected since the BF527C internal audio codec doesn't feature MICBOOST2.

Please add an dedicated SND Control for MICBOOST2 and turn it off by default.

Follow-ups

--- Cliff Cai                                                2009-10-30 04:51:26

done.

--- Michael Hennerich                                        2009-10-30 05:29:21

Thanks!

- close it.

Michael

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