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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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