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Pull auxdisplay updates from Miguel Ojeda:

 - 4-digit 7-segment and quad alphanumeric display support for the
   ht16k33 driver, allowing the user to display and scroll text
   messages, from Geert Uytterhoeven.

 - An assortment of fixes and cleanups from Geert Uytterhoeven.

 - Header cleanups from Mianhan Liu.

 - Whitespace cleanup from Huiquan Deng.

* tag 'auxdisplay-for-linus-v5.16' of git://github.com/ojeda/linux: (26 commits)
  MAINTAINERS: Add DT Bindings for Auxiliary Display Drivers
  auxdisplay: cfag12864bfb: code indent should use tabs where possible
  auxdisplay: ht16k33: remove superfluous header files
  auxdisplay: ks0108: remove superfluous header files
  auxdisplay: cfag12864bfb: remove superfluous header files
  auxdisplay: ht16k33: Make use of device properties
  auxdisplay: ht16k33: Add LED support
  dt-bindings: auxdisplay: ht16k33: Document LED subnode
  auxdisplay: ht16k33: Add support for segment displays
  auxdisplay: ht16k33: Extract frame buffer probing
  auxdisplay: ht16k33: Extract ht16k33_brightness_set()
  auxdisplay: ht16k33: Move delayed work
  auxdisplay: ht16k33: Add helper variable dev
  auxdisplay: ht16k33: Convert to simple i2c probe function
  auxdisplay: ht16k33: Remove unneeded error check in keypad probe()
  auxdisplay: ht16k33: Use HT16K33_FB_SIZE in ht16k33_initialize()
  auxdisplay: ht16k33: Fix frame buffer device blanking
  auxdisplay: ht16k33: Connect backlight to fbdev
  auxdisplay: linedisp: Add support for changing scroll rate
  auxdisplay: linedisp: Use kmemdup_nul() helper
  ...