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    ASoC: nau8825: fix jack type detection issue after resume · 8fe19795
    John Hsu 提交于
    Fix the issue that mic type detection error after resume.
    The microphone type detection procedure will recognize
    testing signal on JKSLV pin, but before the procedure,
    JKSLV already had supply voltage, that results in the failure.
    Therefore, the patch turns off the power and reset the jack type
    configuration before suspend. Then redo the jack detection
    procedure after resume.
    
    The patch help to fix the issue as follows:
    Google issue 37973093: CTIA/OMTP jack type detection failure after resume
    Reported Issue
    Chrome OS Version  :  ChromeOS R59-9460.13.0
    Type of hardware   :  DVT sample
    
    What steps will reproduce the problem?
    (1 Play a music
    (2 Insert a headphones
    (3 Close laptop lid 3 sec then open it
    What is the expected output?
    The music is normal in the headphones.
    What do you see instead?
    Singer voice in the music is not clear.
    
    How frequently does this problem reproduce?
    Always
    
    What is the impact to the user, and is there a workaround?
    If so, what is it?
    Re-insert the headset or close the laptop lid and
    then open it again can be repaired.
    Signed-off-by: NJohn Hsu <KCHSU0@nuvoton.com>
    Signed-off-by: NJohn Hsu <supercraig0719@gmail.com>
    Signed-off-by: NMark Brown <broonie@kernel.org>
    8fe19795
nau8825.c 85.6 KB