Re: [RFC PATCH 00/10] Netronix embedded controller driver for Kobo and Tolino ebook readers

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On Tue, 30 Jun 2020 09:15:23 +0200
Jonathan Neuschäfer <j.neuschaefer@xxxxxxx> wrote:

> On Tue, Jun 30, 2020 at 08:40:51AM +0200, Andreas Kemnade wrote:
> [...]
> > got a chance to test it on a Tolino Shine 2 HD.
> > It uses the RTC from the RC5T619 but backlight seems to go via MSP430
> > EC.
> > 
> > I got this.
> > 
> > [    1.453603] ntxec 0-0043: Netronix embedded controller version f110 detected.
> > [   10.723638] ntxec-rtc 21a0000.i2c:embedded-controller@43:rtc: registered as rtc0
> > [   10.775276] ntxec-pwm: probe of 21a0000.i2c:embedded-controller@43:pwm failed with error -5  
> 
> Hmm, -EIO from the PWM driver.
> 
turing debugging on:

[  330.330599] i2c i2c-0: <i2c_imx_xfer_common>
[  330.330621] i2c i2c-0: <i2c_imx_start>
[  330.332927] i2c i2c-0: <i2c_imx_bus_busy>
[  330.332953] i2c i2c-0: <i2c_imx_xfer_common> transfer message: 0
[  330.332971] i2c i2c-0: <i2c_imx_write> write slave address: addr=0x86
[  330.334365] i2c i2c-0: <i2c_imx_trx_complete> TRX complete
[  330.334386] i2c i2c-0: <i2c_imx_acked> ACK received
[  330.334402] i2c i2c-0: <i2c_imx_write> write data
[  330.334420] i2c i2c-0: <i2c_imx_write> write byte: B0=0xA3
[  330.334756] i2c i2c-0: <i2c_imx_trx_complete> TRX complete
[  330.334774] i2c i2c-0: <i2c_imx_acked> ACK received
[  330.334790] i2c i2c-0: <i2c_imx_write> write byte: B1=0x0
[  330.351573] i2c i2c-0: <i2c_imx_trx_complete> TRX complete
[  330.351598] i2c i2c-0: <i2c_imx_acked> No ACK
[  330.351613] i2c i2c-0: <i2c_imx_stop>
[  330.351629] i2c i2c-0: <i2c_imx_bus_busy>
[  330.351648] i2c i2c-0: <i2c_imx_xfer_common> exit with: error: -6
[  330.351690] i2c i2c-0: <i2c_imx_xfer_common>
[  330.351704] i2c i2c-0: <i2c_imx_start>
[  330.352297] i2c i2c-0: <i2c_imx_bus_busy>
[  330.352321] i2c i2c-0: <i2c_imx_xfer_common> transfer message: 0
[  330.352339] i2c i2c-0: <i2c_imx_write> write slave address: addr=0x86
[  330.362152] i2c i2c-0: <i2c_imx_trx_complete> TRX complete
[  330.362176] i2c i2c-0: <i2c_imx_acked> ACK received
[  330.362191] i2c i2c-0: <i2c_imx_write> write data
[  330.362208] i2c i2c-0: <i2c_imx_write> write byte: B0=0xA1
[  330.362442] i2c i2c-0: <i2c_imx_trx_complete> TRX complete
[  330.362461] i2c i2c-0: <i2c_imx_acked> ACK received
[  330.362479] i2c i2c-0: <i2c_imx_write> write byte: B1=0xFF
[  330.362686] i2c i2c-0: <i2c_imx_trx_complete> TRX complete
[  330.362705] i2c i2c-0: <i2c_imx_acked> No ACK
[  330.362720] i2c i2c-0: <i2c_imx_stop>
[  330.362735] i2c i2c-0: <i2c_imx_bus_busy>
[  330.362753] i2c i2c-0: <i2c_imx_xfer_common> exit with: error: -6
[  330.362794] i2c i2c-0: <i2c_imx_xfer_common>
[  330.362808] i2c i2c-0: <i2c_imx_start>
[  330.363071] i2c i2c-0: <i2c_imx_bus_busy>
[  330.363094] i2c i2c-0: <i2c_imx_xfer_common> transfer message: 0
[  330.363112] i2c i2c-0: <i2c_imx_write> write slave address: addr=0x86
[  330.363313] i2c i2c-0: <i2c_imx_trx_complete> TRX complete
[  330.363331] i2c i2c-0: <i2c_imx_acked> ACK received
[  330.363346] i2c i2c-0: <i2c_imx_write> write data
[  330.363362] i2c i2c-0: <i2c_imx_write> write byte: B0=0xA2
[  330.363572] i2c i2c-0: <i2c_imx_trx_complete> TRX complete
[  330.363591] i2c i2c-0: <i2c_imx_acked> ACK received
[  330.363608] i2c i2c-0: <i2c_imx_write> write byte: B1=0xFF
[  330.363822] i2c i2c-0: <i2c_imx_trx_complete> TRX complete
[  330.363841] i2c i2c-0: <i2c_imx_acked> No ACK
[  330.363854] i2c i2c-0: <i2c_imx_stop>
[  330.363869] i2c i2c-0: <i2c_imx_bus_busy>
[  330.363886] i2c i2c-0: <i2c_imx_xfer_common> exit with: error: -6

Regards,
Andreas




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