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path: root/drivers/input/keyboard
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-rw-r--r--drivers/input/keyboard/Kconfig2
-rw-r--r--drivers/input/keyboard/twl4030_keypad.c17
-rw-r--r--drivers/input/keyboard/w90p910_keypad.c2
3 files changed, 13 insertions, 8 deletions
diff --git a/drivers/input/keyboard/Kconfig b/drivers/input/keyboard/Kconfig
index 3525f533e18..1ba25145b33 100644
--- a/drivers/input/keyboard/Kconfig
+++ b/drivers/input/keyboard/Kconfig
@@ -124,7 +124,7 @@ config KEYBOARD_ATKBD_RDI_KEYCODES
right-hand column will be interpreted as the key shown in the
left-hand column.
-config QT2160
+config KEYBOARD_QT2160
tristate "Atmel AT42QT2160 Touch Sensor Chip"
depends on I2C && EXPERIMENTAL
help
diff --git a/drivers/input/keyboard/twl4030_keypad.c b/drivers/input/keyboard/twl4030_keypad.c
index 7aa59e07b68..fb16b5e5ea1 100644
--- a/drivers/input/keyboard/twl4030_keypad.c
+++ b/drivers/input/keyboard/twl4030_keypad.c
@@ -51,8 +51,12 @@
*/
#define TWL4030_MAX_ROWS 8 /* TWL4030 hard limit */
#define TWL4030_MAX_COLS 8
-#define TWL4030_ROW_SHIFT 3
-#define TWL4030_KEYMAP_SIZE (TWL4030_MAX_ROWS * TWL4030_MAX_COLS)
+/*
+ * Note that we add space for an extra column so that we can handle
+ * row lines connected to the gnd (see twl4030_col_xlate()).
+ */
+#define TWL4030_ROW_SHIFT 4
+#define TWL4030_KEYMAP_SIZE (TWL4030_MAX_ROWS << TWL4030_ROW_SHIFT)
struct twl4030_keypad {
unsigned short keymap[TWL4030_KEYMAP_SIZE];
@@ -182,7 +186,7 @@ static int twl4030_read_kp_matrix_state(struct twl4030_keypad *kp, u16 *state)
return ret;
}
-static int twl4030_is_in_ghost_state(struct twl4030_keypad *kp, u16 *key_state)
+static bool twl4030_is_in_ghost_state(struct twl4030_keypad *kp, u16 *key_state)
{
int i;
u16 check = 0;
@@ -191,12 +195,12 @@ static int twl4030_is_in_ghost_state(struct twl4030_keypad *kp, u16 *key_state)
u16 col = key_state[i];
if ((col & check) && hweight16(col) > 1)
- return 1;
+ return true;
check |= col;
}
- return 0;
+ return false;
}
static void twl4030_kp_scan(struct twl4030_keypad *kp, bool release_all)
@@ -225,7 +229,8 @@ static void twl4030_kp_scan(struct twl4030_keypad *kp, bool release_all)
if (!changed)
continue;
- for (col = 0; col < kp->n_cols; col++) {
+ /* Extra column handles "all gnd" rows */
+ for (col = 0; col < kp->n_cols + 1; col++) {
int code;
if (!(changed & (1 << col)))
diff --git a/drivers/input/keyboard/w90p910_keypad.c b/drivers/input/keyboard/w90p910_keypad.c
index 4ef764cc493..ee2bf6bcf29 100644
--- a/drivers/input/keyboard/w90p910_keypad.c
+++ b/drivers/input/keyboard/w90p910_keypad.c
@@ -258,7 +258,7 @@ static struct platform_driver w90p910_keypad_driver = {
.probe = w90p910_keypad_probe,
.remove = __devexit_p(w90p910_keypad_remove),
.driver = {
- .name = "nuc900-keypad",
+ .name = "nuc900-kpi",
.owner = THIS_MODULE,
},
};