Re: [PATCH 4/6] staging: media: atomisp: reformat code comment blocks

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On Tue, Apr 20, 2021 at 12:45:04AM +0530, Deepak R Varma wrote:
> Reformat code comment blocks according to the coding style guidelines.
> This resolves different checkpatch script WARNINGs around block comments.
> 
> Signed-off-by: Deepak R Varma <drv@xxxxxxxxx>
> ---
>  .../media/atomisp/i2c/atomisp-gc2235.c        |  8 +++----
>  .../atomisp/i2c/atomisp-libmsrlisthelper.c    |  3 ++-
>  .../media/atomisp/i2c/atomisp-mt9m114.c       | 22 +++++++++++--------
>  .../media/atomisp/i2c/atomisp-ov2680.c        |  3 ++-
>  4 files changed, 21 insertions(+), 15 deletions(-)
> 
> diff --git a/drivers/staging/media/atomisp/i2c/atomisp-gc2235.c b/drivers/staging/media/atomisp/i2c/atomisp-gc2235.c
> index 548c572d3b57..a585d73665a6 100644
> --- a/drivers/staging/media/atomisp/i2c/atomisp-gc2235.c
> +++ b/drivers/staging/media/atomisp/i2c/atomisp-gc2235.c
> @@ -747,10 +747,10 @@ static int startup(struct v4l2_subdev *sd)
>  
>  	if (is_init == 0) {
>  		/* force gc2235 to do a reset in res change, otherwise it
> -		* can not output normal after switching res. and it is not
> -		* necessary for first time run up after power on, for the sack
> -		* of performance
> -		*/
> +		 * can not output normal after switching res. and it is not
> +		 * necessary for first time run up after power on, for the sack
> +		 * of performance
> +		 */
>  		power_down(sd);
>  		power_up(sd);
>  		gc2235_write_reg_array(client, gc2235_init_settings);
> diff --git a/drivers/staging/media/atomisp/i2c/atomisp-libmsrlisthelper.c b/drivers/staging/media/atomisp/i2c/atomisp-libmsrlisthelper.c
> index b93c80471f22..750b3484eb19 100644
> --- a/drivers/staging/media/atomisp/i2c/atomisp-libmsrlisthelper.c
> +++ b/drivers/staging/media/atomisp/i2c/atomisp-libmsrlisthelper.c
> @@ -57,7 +57,8 @@ static int set_msr_configuration(struct i2c_client *client, uint8_t *bufptr,
>  	 * By convention, the first two bytes of actual data should be
>  	 * understood as an address in the sensor address space (hibyte
>  	 * followed by lobyte) where the remaining data in the sequence
> -	 * will be written. */
> +	 * will be written.
> +	 */
>  
>  	u8 *ptr = bufptr;
>  
> diff --git a/drivers/staging/media/atomisp/i2c/atomisp-mt9m114.c b/drivers/staging/media/atomisp/i2c/atomisp-mt9m114.c
> index 465fc4468442..160bb58ce708 100644
> --- a/drivers/staging/media/atomisp/i2c/atomisp-mt9m114.c
> +++ b/drivers/staging/media/atomisp/i2c/atomisp-mt9m114.c
> @@ -478,7 +478,8 @@ static int gpio_ctrl(struct v4l2_subdev *sd, bool flag)
>  	/* Note: current modules wire only one GPIO signal (RESET#),
>  	 * but the schematic wires up two to the connector.  BIOS
>  	 * versions have been unfortunately inconsistent with which
> -	 * ACPI index RESET# is on, so hit both */
> +	 * ACPI index RESET# is on, so hit both
> +	 */
>  
>  	if (flag) {
>  		ret = dev->platform_data->gpio0_ctrl(sd, 0);
> @@ -1019,8 +1020,8 @@ static long mt9m114_s_exposure(struct v4l2_subdev *sd,
>  		dev->first_gain = AnalogGain;
>  		dev->first_diggain = DigitalGain;
>  	}
> -	/* DigitalGain = 0x400 * (((u16) DigitalGain) >> 8) +
> -	((unsigned int)(0x400 * (((u16) DigitalGain) & 0xFF)) >>8); */
> +	/* DigitalGain = 0x400 * (((u16) DigitalGain) >> 8) +		*/
> +	/* ((unsigned int)(0x400 * (((u16) DigitalGain) & 0xFF)) >>8);	*/
>  
>  	/* set frame length */
>  	if (FLines < coarse_integration + 6)
> @@ -1035,7 +1036,8 @@ static long mt9m114_s_exposure(struct v4l2_subdev *sd,
>  
>  	/* set coarse integration */
>  	/* 3A provide real exposure time.
> -		should not translate to any value here. */
> +	 * should not translate to any value here.
> +	 */
>  	ret = mt9m114_write_reg(client, MISENSOR_16BIT,
>  				REG_EXPO_COARSE, (u16)(coarse_integration));
>  	if (ret) {
> @@ -1044,7 +1046,7 @@ static long mt9m114_s_exposure(struct v4l2_subdev *sd,
>  	}
>  
>  	/*
> -	// set analog/digital gain
> +	 * set analog/digital gain
>  	switch(AnalogGain)
>  	{
>  	case 0:
> @@ -1069,8 +1071,9 @@ static long mt9m114_s_exposure(struct v4l2_subdev *sd,
>  	*/
>  	if (DigitalGain >= 16 || DigitalGain <= 1)
>  		DigitalGain = 1;
> -	/* AnalogGainToWrite =
> -		(u16)((DigitalGain << 12) | AnalogGainToWrite); */
> +
> +	/* AnalogGainToWrite = (u16)((DigitalGain << 12) | AnalogGainToWrite);
> +	 */

this is best recommended for one line comment:

/* AnalogGainToWrite = (u16)((DigitalGain << 12) | AnalogGainToWrite); */



>  	AnalogGainToWrite = (u16)((DigitalGain << 12) | (u16)AnalogGain);
>  	ret = mt9m114_write_reg(client, MISENSOR_16BIT,
>  				REG_GAIN, AnalogGainToWrite);
> @@ -1096,7 +1099,8 @@ static long mt9m114_ioctl(struct v4l2_subdev *sd, unsigned int cmd, void *arg)
>  }
>  
>  /* This returns the exposure time being used. This should only be used
> -   for filling in EXIF data, not for actual image processing. */
> + * for filling in EXIF data, not for actual image processing.
> + */
>  static int mt9m114_g_exposure(struct v4l2_subdev *sd, s32 *value)
>  {
>  	struct i2c_client *client = v4l2_get_subdevdata(sd);
> @@ -1297,7 +1301,7 @@ static int mt9m114_g_ev(struct v4l2_subdev *sd, s32 *val)
>  
>  /* Fake interface
>   * mt9m114 now can not support 3a_lock
> -*/
> + */
>  static int mt9m114_s_3a_lock(struct v4l2_subdev *sd, s32 val)
>  {
>  	aaalock = val;
> diff --git a/drivers/staging/media/atomisp/i2c/atomisp-ov2680.c b/drivers/staging/media/atomisp/i2c/atomisp-ov2680.c
> index c17615149f46..91dca275a08e 100644
> --- a/drivers/staging/media/atomisp/i2c/atomisp-ov2680.c
> +++ b/drivers/staging/media/atomisp/i2c/atomisp-ov2680.c
> @@ -732,7 +732,8 @@ static int gpio_ctrl(struct v4l2_subdev *sd, bool flag)
>  	 * existing integrations often wire two (reset/power_down)
>  	 * because that is the way other sensors work.  There is no
>  	 * way to tell how it is wired internally, so existing
> -	 * firmwares expose both and we drive them symmetrically. */
> +	 * firmwares expose both and we drive them symmetrically.
> +	 */
>  	if (flag) {
>  		ret = dev->platform_data->gpio0_ctrl(sd, 1);
>  		usleep_range(10000, 15000);
> -- 
> 2.25.1
> 
> 

multiline comment format should appear this way:

	/*
	 * This is a comment, a
	 * multiline one.
	 */

with the first line of the comment empty.

thank you,

fabio



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