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Input: matrix-keymap - uninline and prepare for device tree support

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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>
This commit is contained in:
Dmitry Torokhov
2012-05-10 22:37:08 -07:00
parent d0a3457d38
commit 1932811f42
22 changed files with 265 additions and 209 deletions
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34
drivers/input/keyboard/tegra-kbc.c
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@@ -686,6 +686,7 @@ static int __devinit tegra_kbc_probe(struct platform_device *pdev)
int num_rows = 0;
unsigned int debounce_cnt;
unsigned int scan_time_rows;
unsigned int keymap_rows;
if (!pdata)
pdata = tegra_kbc_dt_parse_pdata(pdev);
@@ -757,29 +758,34 @@ static int __devinit tegra_kbc_probe(struct platform_device *pdev)
kbc->repoll_dly = KBC_ROW_SCAN_DLY + scan_time_rows + pdata->repeat_cnt;
kbc->repoll_dly = DIV_ROUND_UP(kbc->repoll_dly, KBC_CYCLE_MS);
kbc->wakeup_key = pdata->wakeup_key;
kbc->use_fn_map = pdata->use_fn_map;
kbc->use_ghost_filter = pdata->use_ghost_filter;
input_dev->name = pdev->name;
input_dev->id.bustype = BUS_HOST;
input_dev->dev.parent = &pdev->dev;
input_dev->open = tegra_kbc_open;
input_dev->close = tegra_kbc_close;
input_set_drvdata(input_dev, kbc);
keymap_rows = KBC_MAX_KEY;
if (pdata->use_fn_map)
keymap_rows *= 2;
input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REP);
keymap_data = pdata->keymap_data ?: &tegra_kbc_default_keymap_data;
err = matrix_keypad_build_keymap(keymap_data, NULL,
keymap_rows, KBC_MAX_COL,
kbc->keycode, input_dev);
if (err) {
dev_err(&pdev->dev, "failed to build keymap\n");
goto err_put_clk;
}
__set_bit(EV_REP, input_dev->evbit);
input_set_capability(input_dev, EV_MSC, MSC_SCAN);
input_dev->keycode = kbc->keycode;
input_dev->keycodesize = sizeof(kbc->keycode[0]);
input_dev->keycodemax = KBC_MAX_KEY;
if (pdata->use_fn_map)
input_dev->keycodemax *= 2;
kbc->use_fn_map = pdata->use_fn_map;
kbc->use_ghost_filter = pdata->use_ghost_filter;
keymap_data = pdata->keymap_data ?: &tegra_kbc_default_keymap_data;
matrix_keypad_build_keymap(keymap_data, KBC_ROW_SHIFT,
input_dev->keycode, input_dev->keybit);
kbc->wakeup_key = pdata->wakeup_key;
input_set_drvdata(input_dev, kbc);
err = request_irq(kbc->irq, tegra_kbc_isr,
IRQF_NO_SUSPEND | IRQF_TRIGGER_HIGH, pdev->name, kbc);