diff options
| -rw-r--r-- | drivers/input/keyboard/cypress/cypress-touchkey.c | 41 | ||||
| -rw-r--r-- | include/linux/i2c/touchkey_i2c.h | 1 |
2 files changed, 42 insertions, 0 deletions
diff --git a/drivers/input/keyboard/cypress/cypress-touchkey.c b/drivers/input/keyboard/cypress/cypress-touchkey.c index d73ec15..8aafaad 100644 --- a/drivers/input/keyboard/cypress/cypress-touchkey.c +++ b/drivers/input/keyboard/cypress/cypress-touchkey.c @@ -673,6 +673,10 @@ static irqreturn_t touchkey_interrupt(int irq, void *dev_id) set_touchkey_debug('a'); + if (!atomic_read(&tkey_i2c->keypad_enable)) { + return; + } + retry = 3; while (retry--) { ret = i2c_touchkey_read(tkey_i2c->client, KEYCODE_REG, data, 3); @@ -1411,6 +1415,40 @@ static ssize_t set_touchkey_firm_status_show(struct device *dev, return count; } +static ssize_t sec_keypad_enable_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct touchkey_i2c *tkey_i2c = dev_get_drvdata(dev); + + return sprintf(buf, "%d\n", atomic_read(&tkey_i2c->keypad_enable)); +} + +static ssize_t sec_keypad_enable_store(struct device *dev, + struct device_attribute *attr, const char *buf, size_t count) +{ + struct touchkey_i2c *tkey_i2c = dev_get_drvdata(dev); + + unsigned int val = 0; + sscanf(buf, "%d", &val); + val = (val == 0 ? 0 : 1); + atomic_set(&tkey_i2c->keypad_enable, val); + if (val) { + set_bit(KEY_BACK, tkey_i2c->input_dev->keybit); + set_bit(KEY_MENU, tkey_i2c->input_dev->keybit); + set_bit(KEY_HOME, tkey_i2c->input_dev->keybit); + } else { + clear_bit(KEY_BACK, tkey_i2c->input_dev->keybit); + clear_bit(KEY_MENU, tkey_i2c->input_dev->keybit); + clear_bit(KEY_HOME, tkey_i2c->input_dev->keybit); + } + input_sync(tkey_i2c->input_dev); + + return count; +} + +static DEVICE_ATTR(keypad_enable, S_IRUGO|S_IWUSR, sec_keypad_enable_show, + sec_keypad_enable_store); + static DEVICE_ATTR(recommended_version, S_IRUGO | S_IWUSR | S_IWGRP, touch_version_read, touch_version_write); static DEVICE_ATTR(updated_version, S_IRUGO | S_IWUSR | S_IWGRP, @@ -1496,6 +1534,7 @@ static struct attribute *touchkey_attributes[] = { &dev_attr_touchkey_threshold.attr, &dev_attr_autocal_enable.attr, &dev_attr_autocal_stat.attr, + &dev_attr_keypad_enable.attr, #endif NULL, }; @@ -1563,6 +1602,8 @@ static int i2c_touchkey_probe(struct i2c_client *client, set_bit(LED_MISC, input_dev->ledbit); set_bit(EV_KEY, input_dev->evbit); + atomic_set(&tkey_i2c->keypad_enable, 1); + for (i = 1; i < touchkey_count; i++) set_bit(touchkey_keycode[i], input_dev->keybit); diff --git a/include/linux/i2c/touchkey_i2c.h b/include/linux/i2c/touchkey_i2c.h index be989b5..60002d2 100644 --- a/include/linux/i2c/touchkey_i2c.h +++ b/include/linux/i2c/touchkey_i2c.h @@ -188,6 +188,7 @@ struct touchkey_i2c { int (*power)(int on); struct work_struct update_work; int update_status; + atomic_t keypad_enable; }; #endif /* _LINUX_CYPRESS_TOUCHKEY_I2C_H */ |