diff options
| -rw-r--r-- | drivers/input/misc/ots_pat9125/pat9125_linux_driver.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/drivers/input/misc/ots_pat9125/pat9125_linux_driver.c b/drivers/input/misc/ots_pat9125/pat9125_linux_driver.c index ca5a9ec2f7f9..fa5e4cca129d 100644 --- a/drivers/input/misc/ots_pat9125/pat9125_linux_driver.c +++ b/drivers/input/misc/ots_pat9125/pat9125_linux_driver.c @@ -31,6 +31,10 @@ struct pixart_pat9125_data { struct pinctrl_state *pinctrl_state_release; }; +/* Declaration of suspend and resume functions */ +static int pat9125_suspend(struct device *dev); +static int pat9125_resume(struct device *dev); + static int pat9125_i2c_write(struct i2c_client *client, u8 reg, u8 *data, int len) { @@ -146,6 +150,27 @@ static irqreturn_t pat9125_irq(int irq, void *dev_data) return IRQ_HANDLED; } +static ssize_t pat9125_suspend_store(struct device *dev, + struct device_attribute *attr, const char *buf, size_t count) +{ + struct pixart_pat9125_data *data = + (struct pixart_pat9125_data *) dev_get_drvdata(dev); + struct i2c_client *client = data->client; + int mode; + + if (kstrtoint(buf, 10, &mode)) { + dev_err(dev, "failed to read input for sysfs\n"); + return -EINVAL; + } + + if (mode == 1) + pat9125_suspend(&client->dev); + else if (mode == 0) + pat9125_resume(&client->dev); + + return count; +} + static ssize_t pat9125_test_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { @@ -191,11 +216,15 @@ static ssize_t pat9125_test_show(struct device *dev, { return 0; } + +static DEVICE_ATTR(suspend, S_IRUGO | S_IWUSR | S_IWGRP, + NULL, pat9125_suspend_store); static DEVICE_ATTR(test, S_IRUGO | S_IWUSR | S_IWGRP, pat9125_test_show, pat9125_test_store); static struct attribute *pat9125_attr_list[] = { &dev_attr_test.attr, + &dev_attr_suspend.attr, NULL, }; |