| 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 |
| |
