| Kay Sievers | fbc92a3 | 2010-12-01 18:51:05 +0100 | [diff] [blame] | 1 | What: /sys/class/tty/console/active |
| 2 | Date: Nov 2010 |
| 3 | Contact: Kay Sievers <kay.sievers@vrfy.org> |
| 4 | Description: |
| 5 | Shows the list of currently configured |
| 6 | console devices, like 'tty1 ttyS0'. |
| 7 | The last entry in the file is the active |
| 8 | device connected to /dev/console. |
| 9 | The file supports poll() to detect virtual |
| 10 | console switches. |
| 11 | |
| 12 | What: /sys/class/tty/tty0/active |
| 13 | Date: Nov 2010 |
| 14 | Contact: Kay Sievers <kay.sievers@vrfy.org> |
| 15 | Description: |
| 16 | Shows the currently active virtual console |
| 17 | device, like 'tty1'. |
| 18 | The file supports poll() to detect virtual |
| 19 | console switches. |
| Tomas Hlavacek | 6915c0e | 2012-09-06 03:17:18 +0200 | [diff] [blame^] | 20 | |
| 21 | What: /sys/class/tty/ttyS0/uartclk |
| 22 | Date: Sep 2012 |
| 23 | Contact: Tomas Hlavacek <tmshlvck@gmail.com> |
| 24 | Description: |
| 25 | Shows the current uartclk value associated with the |
| 26 | UART port in serial_core, that is bound to TTY like ttyS0. |
| 27 | uartclk = 16 * baud_base |
| 28 | |