How to build I2C_MUX in media_build as rtl28xxu depends on it ?

2014-03-24 Thread Jan Hoogenraad 
After recent changes, I cannot build  rtl28xxu on systems with linux
2.6.32 or 3.2.0.
rtl28xxu is one of the few drivers depending on  I2C_MUX.
Kconfig.kern lists I2C_MUX (correctly) as not in the kernel of the system.
I don't know if it is possible to load a new module for that.

Who can help me with this ?

Antti Palosaari wrote:
 We need depend on I2C_MUX as rtl2832 demod used requires it.

 All error/warnings:
 warning: (DVB_USB_RTL28XXU) selects DVB_RTL2832 which has unmet direct 
 dependencies (MEDIA_SUPPORT  DVB_CORE  I2C  I2C_MUX)
 ERROR: i2c_add_mux_adapter [drivers/media/dvb-frontends/rtl2832.ko] 
 undefined!
 ERROR: i2c_del_mux_adapter [drivers/media/dvb-frontends/rtl2832.ko] 
 undefined!

 Reported-by: kbuild test robot fengguang...@intel.com
 Signed-off-by: Antti Palosaari cr...@iki.fi
 ---
  drivers/media/usb/dvb-usb-v2/Kconfig | 2 +-
  1 file changed, 1 insertion(+), 1 deletion(-)

 diff --git a/drivers/media/usb/dvb-usb-v2/Kconfig 
 b/drivers/media/usb/dvb-usb-v2/Kconfig
 index bfb7378..037e519 100644
 --- a/drivers/media/usb/dvb-usb-v2/Kconfig
 +++ b/drivers/media/usb/dvb-usb-v2/Kconfig
 @@ -126,7 +126,7 @@ config DVB_USB_MXL111SF
  
  config DVB_USB_RTL28XXU
   tristate Realtek RTL28xxU DVB USB support
 - depends on DVB_USB_V2
 + depends on DVB_USB_V2  I2C_MUX
   select DVB_RTL2830
   select DVB_RTL2832
   select MEDIA_TUNER_QT1010 if MEDIA_SUBDRV_AUTOSELECT


-- 
Jan Hoogenraad
Hoogenraad Interface Services
Postbus 2717
3500 GS Utrecht

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Re: How to build I2C_MUX in media_build as rtl28xxu depends on it ?

2014-03-24 Thread Antti Palosaari 

On 24.03.2014 20:08, Jan Hoogenraad wrote:

After recent changes, I cannot build  rtl28xxu on systems with linux
2.6.32 or 3.2.0.
rtl28xxu is one of the few drivers depending on  I2C_MUX.
Kconfig.kern lists I2C_MUX (correctly) as not in the kernel of the system.
I don't know if it is possible to load a new module for that.

Who can help me with this ?


I think the correct way is to add that I2C_MUX to media-build backport.


regards
Antti

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