Symbol: KEY_ECHO_ID
drivers/accessibility/speakup/main.c
1293
[KEY_ECHO_ID] = { KEY_ECHO, .u.n = {NULL, 1, 0, 2, 0, 0, NULL} },
drivers/accessibility/speakup/main.c
2481
module_param_named(key_echo, spk_vars[KEY_ECHO_ID].u.n.default_val, int, 0444);