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authorDmitry Torokhov <dmitry.torokhov@gmail.com>2012-05-10 22:37:08 -0700
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2012-05-10 22:38:47 -0700
commit1932811f426fee71b7ece67e70aeba7e1b0ebb6d (patch)
treeffc4598961733707a89e711b4614c8cc14446ad5 /drivers/input/keyboard/w90p910_keypad.c
parentd0a3457d38adbad37e43ffe6b763360b2bfe71d9 (diff)
downloadblackbird-op-linux-1932811f426fee71b7ece67e70aeba7e1b0ebb6d.tar.gz
blackbird-op-linux-1932811f426fee71b7ece67e70aeba7e1b0ebb6d.zip
Input: matrix-keymap - uninline and prepare for device tree support
Change matrix-keymap helper to be out-of-line, like sparse keymap, allow the helper perform basic keymap validation and return errors, and prepare for device tree support. Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Diffstat (limited to 'drivers/input/keyboard/w90p910_keypad.c')
-rw-r--r--drivers/input/keyboard/w90p910_keypad.c27
1 files changed, 14 insertions, 13 deletions
diff --git a/drivers/input/keyboard/w90p910_keypad.c b/drivers/input/keyboard/w90p910_keypad.c
index 99bbb7e775ae..085ede4d972d 100644
--- a/drivers/input/keyboard/w90p910_keypad.c
+++ b/drivers/input/keyboard/w90p910_keypad.c
@@ -42,7 +42,8 @@
#define KGET_RAW(n) (((n) & KEY0R) >> 3)
#define KGET_COLUMN(n) ((n) & KEY0C)
-#define W90P910_MAX_KEY_NUM (8 * 8)
+#define W90P910_NUM_ROWS 8
+#define W90P910_NUM_COLS 8
#define W90P910_ROW_SHIFT 3
struct w90p910_keypad {
@@ -51,7 +52,7 @@ struct w90p910_keypad {
struct input_dev *input_dev;
void __iomem *mmio_base;
int irq;
- unsigned short keymap[W90P910_MAX_KEY_NUM];
+ unsigned short keymap[W90P910_NUM_ROWS * W90P910_NUM_COLS];
};
static void w90p910_keypad_scan_matrix(struct w90p910_keypad *keypad,
@@ -190,17 +191,13 @@ static int __devinit w90p910_keypad_probe(struct platform_device *pdev)
input_dev->close = w90p910_keypad_close;
input_dev->dev.parent = &pdev->dev;
- input_dev->keycode = keypad->keymap;
- input_dev->keycodesize = sizeof(keypad->keymap[0]);
- input_dev->keycodemax = ARRAY_SIZE(keypad->keymap);
-
- input_set_drvdata(input_dev, keypad);
-
- input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REP);
- input_set_capability(input_dev, EV_MSC, MSC_SCAN);
-
- matrix_keypad_build_keymap(keymap_data, W90P910_ROW_SHIFT,
- input_dev->keycode, input_dev->keybit);
+ error = matrix_keypad_build_keymap(keymap_data, NULL,
+ W90P910_NUM_ROWS, W90P910_NUM_COLS,
+ keypad->keymap, input_dev);
+ if (error) {
+ dev_err(&pdev->dev, "failed to build keymap\n");
+ goto failed_put_clk;
+ }
error = request_irq(keypad->irq, w90p910_keypad_irq_handler,
0, pdev->name, keypad);
@@ -209,6 +206,10 @@ static int __devinit w90p910_keypad_probe(struct platform_device *pdev)
goto failed_put_clk;
}
+ __set_bit(EV_REP, input_dev->evbit);
+ input_set_capability(input_dev, EV_MSC, MSC_SCAN);
+ input_set_drvdata(input_dev, keypad);
+
/* Register the input device */
error = input_register_device(input_dev);
if (error) {
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