Merge /home/v4l/v4l/patchwork

Merge /home/v4l/v4l/patchwork

* /home/v4l/v4l/patchwork: (155 commits)
  [media] stv090x: add support for multistream
  [media] DocBook: Multistream support
  [media] dvb_frontend: add multistream support
  [media] ce6230: use Kernel dev_foo() logging
  [media] ec168: use Kernel dev_foo() logging
  [media] gl861: use Kernel dev_foo() logging
  [media] au6610: use Kernel dev_foo() logging
  [media] af9035: use Kernel dev_foo() logging
  [media] af9015: correct few error codes
  [media] af9015: improve af9015_eeprom_hash()
  [media] af9015: use Kernel dev_foo() logging
  [media] rtl2830: declare two tables as constant
  [media] rtl2830: use .get_if_frequency()
  [media] rtl2830: use Kernel dev_foo() logging
  [media] hd29l2: use Kernel dev_foo() logging
  [media] ec100: improve I2C routines
  [media] ec100: use Kernel dev_foo() logging
  [media] af9013: use Kernel dev_foo() logging
  [media] af9033: use Kernel dev_foo() logging
  [media] ec168: declare MODULE_FIRMWARE
  ...