Input: omap-keypad - remove adjusting of scan delay
authorDmitry Torokhov <dmitry.torokhov@gmail.com>
Fri, 8 Jan 2016 06:25:39 +0000 (22:25 -0800)
committerDmitry Torokhov <dmitry.torokhov@gmail.com>
Tue, 5 Apr 2016 17:17:18 +0000 (10:17 -0700)
As of 35f8679f577ae5673a778598bcbe7b45cbec8923 ("Input: omap-keypad -
remove dead check") we no longer declare keypresses as spurious, therefore
we can use constant delay between scans.

Suggested-by: Janusz Krzysztofik <jkrzyszt@tis.icnet.pl>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
drivers/input/keyboard/omap-keypad.c

index e0d72c8c01e428290ca56b6263087a4b013a9631..d115acf0a805b8bfc82a08c429248c0d13fdcd45 100644 (file)
@@ -133,7 +133,6 @@ static void omap_kp_tasklet(unsigned long data)
        unsigned int row_shift = get_count_order(omap_kp_data->cols);
        unsigned char new_state[8], changed, key_down = 0;
        int col, row;
-       int spurious = 0;
 
        /* check for any changes */
        omap_kp_scan_keypad(omap_kp_data, new_state);
@@ -170,12 +169,9 @@ static void omap_kp_tasklet(unsigned long data)
        memcpy(keypad_state, new_state, sizeof(keypad_state));
 
        if (key_down) {
-               int delay = HZ / 20;
                /* some key is pressed - keep irq disabled and use timer
                 * to poll the keypad */
-               if (spurious)
-                       delay = 2 * HZ;
-               mod_timer(&omap_kp_data->timer, jiffies + delay);
+               mod_timer(&omap_kp_data->timer, jiffies + HZ / 20);
        } else {
                /* enable interrupts */
                omap_writew(0, OMAP1_MPUIO_BASE + OMAP_MPUIO_KBD_MASKIT);