diff options
Diffstat (limited to 'drivers/input/keyboard/tc3589x-keypad.c')
| -rw-r--r-- | drivers/input/keyboard/tc3589x-keypad.c | 22 |
1 files changed, 9 insertions, 13 deletions
diff --git a/drivers/input/keyboard/tc3589x-keypad.c b/drivers/input/keyboard/tc3589x-keypad.c index 2dee3e4e7c6f..f4da2a7a6970 100644 --- a/drivers/input/keyboard/tc3589x-keypad.c +++ b/drivers/input/keyboard/tc3589x-keypad.c @@ -96,21 +96,15 @@ static int tc3589x_keypad_init_key_hardware(struct tc_keypad *keypad) { int ret; struct tc3589x *tc3589x = keypad->tc3589x; - u8 settle_time = keypad->board->settle_time; - u8 dbounce_period = keypad->board->debounce_period; - u8 rows = keypad->board->krow & 0xf; /* mask out the nibble */ - u8 column = keypad->board->kcol & 0xf; /* mask out the nibble */ - - /* validate platform configurations */ - if (keypad->board->kcol > TC3589x_MAX_KPCOL || - keypad->board->krow > TC3589x_MAX_KPROW || - keypad->board->debounce_period > TC3589x_MAX_DEBOUNCE_SETTLE || - keypad->board->settle_time > TC3589x_MAX_DEBOUNCE_SETTLE) + const struct tc3589x_keypad_platform_data *board = keypad->board; + + /* validate platform configuration */ + if (board->kcol > TC3589x_MAX_KPCOL || board->krow > TC3589x_MAX_KPROW) return -EINVAL; /* configure KBDSIZE 4 LSbits for cols and 4 MSbits for rows */ ret = tc3589x_reg_write(tc3589x, TC3589x_KBDSIZE, - (rows << KP_ROW_SHIFT) | column); + (board->krow << KP_ROW_SHIFT) | board->kcol); if (ret < 0) return ret; @@ -124,12 +118,14 @@ static int tc3589x_keypad_init_key_hardware(struct tc_keypad *keypad) return ret; /* Configure settle time */ - ret = tc3589x_reg_write(tc3589x, TC3589x_KBDSETTLE_REG, settle_time); + ret = tc3589x_reg_write(tc3589x, TC3589x_KBDSETTLE_REG, + board->settle_time); if (ret < 0) return ret; /* Configure debounce time */ - ret = tc3589x_reg_write(tc3589x, TC3589x_KBDBOUNCE, dbounce_period); + ret = tc3589x_reg_write(tc3589x, TC3589x_KBDBOUNCE, + board->debounce_period); if (ret < 0) return ret; |