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- What: /sys/class/tty/console/active
- Date: Nov 2010
- Contact: Kay Sievers <kay.sievers@vrfy.org>
- Description:
- Shows the list of currently configured
- console devices, like 'tty1 ttyS0'.
- The last entry in the file is the active
- device connected to /dev/console.
- The file supports poll() to detect virtual
- console switches.
- What: /sys/class/tty/tty0/active
- Date: Nov 2010
- Contact: Kay Sievers <kay.sievers@vrfy.org>
- Description:
- Shows the currently active virtual console
- device, like 'tty1'.
- The file supports poll() to detect virtual
- console switches.
- What: /sys/class/tty/ttyS0/uartclk
- Date: Sep 2012
- Contact: Tomas Hlavacek <tmshlvck@gmail.com>
- Description:
- Shows the current uartclk value associated with the
- UART port in serial_core, that is bound to TTY like ttyS0.
- uartclk = 16 * baud_base
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