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i2c no ack - RK3066 device

OP lukyrys

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13th February 2014, 09:24 PM   |  #1  
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Hi all,
i have strange problem with my tablet. - http://www.danew.com/fiche-produits-...p?spage=apercu
Kernel dmesg shows this

<3>[ 936.127709] i2c i2c-1: No ack, Maybe slave(addr: 0x2f) not exist or abnormal power-on, retry 0...
<3>[ 936.130337] i2c i2c-1: No ack, Maybe slave(addr: 0x2f) not exist or abnormal power-on, retry 2...
<3>[ 936.130859] i2c i2c-1: No ack, Maybe slave(addr: 0x2f) not exist or abnormal power-on, retry 1...
<3>[ 936.131382] i2c i2c-1: No ack, Maybe slave(addr: 0x2f) not exist or abnormal power-on, retry 0...

and batttery show 1% (0mV), no working audio and something else..

lsmod
vpu_service 11791 0 - Live 0x00000000
rk29_ipp 9541 0 - Live 0x00000000 (C)
mali 101298 14 - Live 0x00000000
ump 26148 19 mali, Live 0x00000000
rk30xxnand_ko 346715 0 - Live 0x00000000

tablet have latest official firmware from site above.. after reflash it do this..
please help me
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