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path: root/drivers/input/touchscreen/stmfts.c
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Diffstat (limited to 'drivers/input/touchscreen/stmfts.c')
-rw-r--r--drivers/input/touchscreen/stmfts.c21
1 files changed, 9 insertions, 12 deletions
diff --git a/drivers/input/touchscreen/stmfts.c b/drivers/input/touchscreen/stmfts.c
index 119cd26851cf..4b166b0a9a5a 100644
--- a/drivers/input/touchscreen/stmfts.c
+++ b/drivers/input/touchscreen/stmfts.c
@@ -120,7 +120,7 @@ static int stmfts_brightness_set(struct led_classdev *led_cdev,
err = regulator_enable(sdata->ledvdd);
if (err) {
dev_warn(&sdata->client->dev,
- "failed to disable ledvdd regulator: %d\n",
+ "failed to enable ledvdd regulator: %d\n",
err);
return err;
}
@@ -141,7 +141,7 @@ static enum led_brightness stmfts_brightness_get(struct led_classdev *led_cdev)
/*
* We can't simply use i2c_smbus_read_i2c_block_data because we
- * need to read more than 255 bytes (
+ * need to read 256 bytes, which exceeds the 255-byte SMBus block limit.
*/
static int stmfts_read_events(struct stmfts_data *sdata)
{
@@ -410,7 +410,7 @@ static ssize_t stmfts_sysfs_chip_id(struct device *dev,
{
struct stmfts_data *sdata = dev_get_drvdata(dev);
- return sprintf(buf, "%#x\n", sdata->chip_id);
+ return sysfs_emit(buf, "%#x\n", sdata->chip_id);
}
static ssize_t stmfts_sysfs_chip_version(struct device *dev,
@@ -418,7 +418,7 @@ static ssize_t stmfts_sysfs_chip_version(struct device *dev,
{
struct stmfts_data *sdata = dev_get_drvdata(dev);
- return sprintf(buf, "%u\n", sdata->chip_ver);
+ return sysfs_emit(buf, "%u\n", sdata->chip_ver);
}
static ssize_t stmfts_sysfs_fw_ver(struct device *dev,
@@ -426,7 +426,7 @@ static ssize_t stmfts_sysfs_fw_ver(struct device *dev,
{
struct stmfts_data *sdata = dev_get_drvdata(dev);
- return sprintf(buf, "%u\n", sdata->fw_ver);
+ return sysfs_emit(buf, "%u\n", sdata->fw_ver);
}
static ssize_t stmfts_sysfs_config_id(struct device *dev,
@@ -434,7 +434,7 @@ static ssize_t stmfts_sysfs_config_id(struct device *dev,
{
struct stmfts_data *sdata = dev_get_drvdata(dev);
- return sprintf(buf, "%#x\n", sdata->config_id);
+ return sysfs_emit(buf, "%#x\n", sdata->config_id);
}
static ssize_t stmfts_sysfs_config_version(struct device *dev,
@@ -442,7 +442,7 @@ static ssize_t stmfts_sysfs_config_version(struct device *dev,
{
struct stmfts_data *sdata = dev_get_drvdata(dev);
- return sprintf(buf, "%u\n", sdata->config_ver);
+ return sysfs_emit(buf, "%u\n", sdata->config_ver);
}
static ssize_t stmfts_sysfs_read_status(struct device *dev,
@@ -457,7 +457,7 @@ static ssize_t stmfts_sysfs_read_status(struct device *dev,
if (err)
return err;
- return sprintf(buf, "%#02x\n", status[0]);
+ return sysfs_emit(buf, "%#02x\n", status[0]);
}
static ssize_t stmfts_sysfs_hover_enable_read(struct device *dev,
@@ -465,7 +465,7 @@ static ssize_t stmfts_sysfs_hover_enable_read(struct device *dev,
{
struct stmfts_data *sdata = dev_get_drvdata(dev);
- return sprintf(buf, "%u\n", sdata->hover_enabled);
+ return sysfs_emit(buf, "%u\n", sdata->hover_enabled);
}
static ssize_t stmfts_sysfs_hover_enable_write(struct device *dev,
@@ -594,9 +594,6 @@ static void stmfts_power_off(void *data)
sdata->regulators);
}
-/* This function is void because I don't want to prevent using the touch key
- * only because the LEDs don't get registered
- */
static int stmfts_enable_led(struct stmfts_data *sdata)
{
int err;