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authorDmitry Torokhov <dmitry.torokhov@gmail.com>2016-01-08 01:25:39 -0500
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2016-04-05 13:17:18 -0400
commit94016680737fd5f9dcfac3fe65b2e61d38fcfba6 (patch)
tree8973165e59153b5a75cd03b7548f810b9f51e524
parent7d8d86252307ce34925c5ddec4ef1b32670353b9 (diff)
Input: omap-keypad - remove adjusting of scan delay
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>
-rw-r--r--drivers/input/keyboard/omap-keypad.c6
1 files changed, 1 insertions, 5 deletions
diff --git a/drivers/input/keyboard/omap-keypad.c b/drivers/input/keyboard/omap-keypad.c
index e0d72c8c01e4..d115acf0a805 100644
--- a/drivers/input/keyboard/omap-keypad.c
+++ b/drivers/input/keyboard/omap-keypad.c
@@ -133,7 +133,6 @@ static void omap_kp_tasklet(unsigned long data)
133 unsigned int row_shift = get_count_order(omap_kp_data->cols); 133 unsigned int row_shift = get_count_order(omap_kp_data->cols);
134 unsigned char new_state[8], changed, key_down = 0; 134 unsigned char new_state[8], changed, key_down = 0;
135 int col, row; 135 int col, row;
136 int spurious = 0;
137 136
138 /* check for any changes */ 137 /* check for any changes */
139 omap_kp_scan_keypad(omap_kp_data, new_state); 138 omap_kp_scan_keypad(omap_kp_data, new_state);
@@ -170,12 +169,9 @@ static void omap_kp_tasklet(unsigned long data)
170 memcpy(keypad_state, new_state, sizeof(keypad_state)); 169 memcpy(keypad_state, new_state, sizeof(keypad_state));
171 170
172 if (key_down) { 171 if (key_down) {
173 int delay = HZ / 20;
174 /* some key is pressed - keep irq disabled and use timer 172 /* some key is pressed - keep irq disabled and use timer
175 * to poll the keypad */ 173 * to poll the keypad */
176 if (spurious) 174 mod_timer(&omap_kp_data->timer, jiffies + HZ / 20);
177 delay = 2 * HZ;
178 mod_timer(&omap_kp_data->timer, jiffies + delay);
179 } else { 175 } else {
180 /* enable interrupts */ 176 /* enable interrupts */
181 omap_writew(0, OMAP1_MPUIO_BASE + OMAP_MPUIO_KBD_MASKIT); 177 omap_writew(0, OMAP1_MPUIO_BASE + OMAP_MPUIO_KBD_MASKIT);