diff options
| author | sbrissen <sbrissen@hotmail.com> | 2014-12-08 00:27:21 -0500 |
|---|---|---|
| committer | Tony Layher <layhertony@gmail.com> | 2015-02-27 19:07:26 -0500 |
| commit | 88d212d7d8bc95932b0ece07aad4d22aed9fa826 (patch) | |
| tree | 0adcd53a31dc4aa07ab938986eed380c2592081f | |
| parent | 258517c490bb31386216d8c229e3cc5d3126bbcd (diff) | |
trlte: cypress-touchkey: Add key disabler.
Change-Id: I16fb039c32f63938e4aece5faa5e2a46bed411d6
| -rwxr-xr-x | drivers/input/keyboard/cypress_touchkey_t/cypress-touchkey.c | 39 | ||||
| -rwxr-xr-x | drivers/input/keyboard/cypress_touchkey_t/cypress-touchkey.h | 1 |
2 files changed, 40 insertions, 0 deletions
diff --git a/drivers/input/keyboard/cypress_touchkey_t/cypress-touchkey.c b/drivers/input/keyboard/cypress_touchkey_t/cypress-touchkey.c index 53b2b213c28..73385380b0f 100755 --- a/drivers/input/keyboard/cypress_touchkey_t/cypress-touchkey.c +++ b/drivers/input/keyboard/cypress_touchkey_t/cypress-touchkey.c @@ -564,6 +564,10 @@ static irqreturn_t cypress_touchkey_interrupt(int irq, void *dev_id) int ret; int i; + if (!atomic_read(&info->keypad_enable)) { + goto out; + } + ret = gpio_get_value(info->pdata->gpio_int); if (ret) { dev_info(&info->client->dev, @@ -1388,6 +1392,38 @@ static ssize_t cypress_touchkey_read_register(struct device *dev, return size; } +static ssize_t sec_keypad_enable_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct cypress_touchkey_info *info = dev_get_drvdata(dev); + + return sprintf(buf, "%d\n", atomic_read(&info->keypad_enable)); +} + +static ssize_t sec_keypad_enable_store(struct device *dev, + struct device_attribute *attr, const char *buf, size_t count) +{ + struct cypress_touchkey_info *info = dev_get_drvdata(dev); + int i; + + unsigned int val = 0; + sscanf(buf, "%d", &val); + val = (val == 0 ? 0 : 1); + atomic_set(&info->keypad_enable, val); + if (val) { + for (i = 0; i < ARRAY_SIZE(info->keycode); i++) + set_bit(info->keycode[i], info->input_dev->keybit); + } else { + for (i = 0; i < ARRAY_SIZE(info->keycode); i++) + clear_bit(info->keycode[i], info->input_dev->keybit); + } + input_sync(info->input_dev); + + return count; +} + +static DEVICE_ATTR(keypad_enable, S_IRUGO|S_IWUSR, sec_keypad_enable_show, + sec_keypad_enable_store); static DEVICE_ATTR(touchkey_firm_update_status, S_IRUGO | S_IWUSR | S_IWGRP, cypress_touchkey_firm_status_show, NULL); static DEVICE_ATTR(touchkey_firm_version_panel, S_IRUGO, @@ -1456,6 +1492,7 @@ static DEVICE_ATTR(read_reg, S_IRUGO | S_IWUSR | S_IWGRP, NULL, cypress_touchkey_read_register); static struct attribute *touchkey_attributes[] = { + &dev_attr_keypad_enable.attr, &dev_attr_touchkey_firm_update_status.attr, &dev_attr_touchkey_firm_version_panel.attr, &dev_attr_touchkey_firm_version_phone.attr, @@ -1906,6 +1943,8 @@ static int cypress_touchkey_probe(struct i2c_client *client, set_bit(EV_LED, input_dev->evbit); set_bit(LED_MISC, input_dev->ledbit); + atomic_set(&info->keypad_enable, 1); + wake_lock_init(&info->fw_wakelock, WAKE_LOCK_SUSPEND, "cypress_touchkey"); for (i = 0; i < pdata->keycodes_size; i++) { diff --git a/drivers/input/keyboard/cypress_touchkey_t/cypress-touchkey.h b/drivers/input/keyboard/cypress_touchkey_t/cypress-touchkey.h index 7a2f2c6f163..b92d0b69282 100755 --- a/drivers/input/keyboard/cypress_touchkey_t/cypress-touchkey.h +++ b/drivers/input/keyboard/cypress_touchkey_t/cypress-touchkey.h @@ -223,6 +223,7 @@ struct cypress_touchkey_info { int device_ver; bool support_fw_update; struct wake_lock fw_wakelock; + atomic_t keypad_enable; #ifdef CRC_CHECK_INTERNAL int crc; #endif |