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-König (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
