[PATCH v7 0/3] leds: trigger: implement a tty trigger

[Uwe Kleine-KÃnig]

Hello,

this is v7 of a series adding support for tty triggers. See patch 3 for
how to use it. The first two patches provide the necessary
infrastructure in the tty subsystem to make the trigger possible.

Changes compared to v6 sent with Message-Id:
20200213091600.554-1-uwe@xxxxxxxxxxxxxxxxx on 13 Feb 2020:

 - use the tty's name instead of its major:minor
 - drop kstrtodev_t helper
 - retry opening the tty in case it only appears after it was configured
   in the trigger

Uwe Kleine-KÃnig (3):
  tty: rename tty_kopen() and add new function tty_kopen_shared()
  tty: new helper function tty_get_icount()
  leds: trigger: implement a tty trigger

 .../ABI/testing/sysfs-class-led-trigger-tty   |   6 +
 drivers/leds/trigger/Kconfig                  |   7 +
 drivers/leds/trigger/Makefile                 |   1 +
 drivers/leds/trigger/ledtrig-tty.c            | 192 ++++++++++++++++++
 drivers/staging/speakup/spk_ttyio.c           |   2 +-
 drivers/tty/tty_io.c                          |  87 ++++++--
 include/linux/tty.h                           |   7 +-
 7 files changed, 277 insertions(+), 25 deletions(-)
 create mode 100644 Documentation/ABI/testing/sysfs-class-led-trigger-tty
 create mode 100644 drivers/leds/trigger/ledtrig-tty.c

base-commit: dcb7fd82c75ee2d6e6f9d8cc71c52519ed52e258
-- 
2.27.0