lf1000-rtc lf1000-rtc: rtc core: registered lf1000-rtc as rtc0
LF1000 Real Time Clock driver.
i2c /dev entries driver
Software Watchdog Timer: 0.07 initialized. soft_noboot=0 soft_margin=60 sec (nowayout= 0)
usbcore: registered new interface driver usbhid
usbhid: v2.6:USB HID core driver
Entering the lf1000_audio_probe function
entering  function  cs42L52_read_byte
Executed  write function
 Executed read function

t1=94 i2c->reg_base+IDSR=c30d200c setting slave addr before entering xfer_write func
t1=94 i2c->reg_base+IDSR=c30d200c signal start   before enter xfer_write func
t1=95 i2c->reg_base+IDSR=c30d200c entered 1 if
t1=95 i2c->reg_base+IDSR=c30d200c entered 2 if else is executing
Entering xfer_write function
 first try xfer_write function  t1=95 i2c->reg_base+IDSR=c30d200c
now tmp =f1

i2c-adapter i2c-0: no ACK in xfer_write
Exiting xfer_write function  ret=-14
 t1=95 i2c->reg_base+IDSR=c30d200c setting slave addr before entering xfer_write func

t1=95 i2c->reg_base+IDSR=c30d200c signal start   before enter xfer_write func
t1=95 i2c->reg_base+IDSR=c30d200c entered 1 if
t1=95 i2c->reg_base+IDSR=c30d200c entered 2 if read is next
Entering xfer_read function
 xfer_read function  t1=95 i2c->reg_base+IDSR=c30d200c
i2c: no ACK in xfer_read
Exiting xfer_read function  ret=-14
 res=fffffff2 -14  exiting function  cs42l52_read_byte
 dev->chip_id =-14 line 1212
lf1000-audio lf1000-audio: failed to read chip ID
entering  function  cs42L52_read_byte
Executed  write function
 Executed read function