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Input: bu21013_ts - remove useless comments

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The comments for individual functions in the driver do not provide any
additional information beyond what function names indicate.

Tested-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
This commit is contained in:
Dmitry Torokhov 2019-08-08 16:02:43 -07:00
parent 0570bab054
commit a5ee351d5b
1 changed files with 2 additions and 59 deletions
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61
drivers/input/touchscreen/bu21013_ts.c
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@ -159,14 +159,6 @@ struct bu21013_ts {
bool touch_stopped;
};
/**
* bu21013_read_block_data(): read the touch co-ordinates
* @data: bu21013_ts structure pointer
* @buf: byte pointer
*
* Read the touch co-ordinates using i2c read block into buffer
* and returns integer.
*/
static int bu21013_read_block_data(struct bu21013_ts *ts, u8 *buf)
{
int ret, i;
@ -182,13 +174,6 @@ static int bu21013_read_block_data(struct bu21013_ts *ts, u8 *buf)
return -EINVAL;
}
/**
* bu21013_do_touch_report(): Get the touch co-ordinates
* @data: bu21013_ts structure pointer
*
* Get the touch co-ordinates from touch sensor registers and writes
* into device structure and returns integer.
*/
static int bu21013_do_touch_report(struct bu21013_ts *ts)
{
u8 buf[LENGTH_OF_BUFFER];
@ -243,14 +228,7 @@ static int bu21013_do_touch_report(struct bu21013_ts *ts)
return 0;
}
/**
* bu21013_gpio_irq() - gpio thread function for touch interrupt
* @irq: irq value
* @device_data: void pointer
*
* This gpio thread function for touch interrupt
* and returns irqreturn_t.
*/
static irqreturn_t bu21013_gpio_irq(int irq, void *device_data)
{
struct bu21013_ts *ts = device_data;
@ -273,13 +251,6 @@ static irqreturn_t bu21013_gpio_irq(int irq, void *device_data)
return IRQ_HANDLED;
}
/**
* bu21013_init_chip() - power on sequence for the bu21013 controller
* @data: device structure pointer
*
* This function is used to power on
* the bu21013 controller and returns integer.
*/
static int bu21013_init_chip(struct bu21013_ts *ts)
{
struct i2c_client *client = ts->client;
@ -468,14 +439,6 @@ bu21013_parse_dt(struct device *dev)
}
#endif
/**
* bu21013_probe() - initializes the i2c-client touchscreen driver
* @client: i2c client structure pointer
* @id: i2c device id pointer
*
* This function used to initializes the i2c-client touchscreen
* driver and returns integer.
*/
static int bu21013_probe(struct i2c_client *client,
const struct i2c_device_id *id)
{
@ -606,13 +569,7 @@ err_free_mem:
return error;
}
/**
* bu21013_remove() - removes the i2c-client touchscreen driver
* @client: i2c client structure pointer
*
* This function uses to remove the i2c-client
* touchscreen driver and returns integer.
*/
static int bu21013_remove(struct i2c_client *client)
{
struct bu21013_ts *ts = i2c_get_clientdata(client);
@ -634,13 +591,6 @@ static int bu21013_remove(struct i2c_client *client)
return 0;
}
/**
* bu21013_suspend() - suspend the touch screen controller
* @dev: pointer to device structure
*
* This function is used to suspend the
* touch panel controller and returns integer
*/
static int __maybe_unused bu21013_suspend(struct device *dev)
{
struct bu21013_ts *ts = dev_get_drvdata(dev);
@ -657,13 +607,6 @@ static int __maybe_unused bu21013_suspend(struct device *dev)
return 0;
}
/**
* bu21013_resume() - resume the touch screen controller
* @dev: pointer to device structure
*
* This function is used to resume the touch panel
* controller and returns integer.
*/
static int __maybe_unused bu21013_resume(struct device *dev)
{
struct bu21013_ts *ts = dev_get_drvdata(dev);