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

From: Fabio Aiuto
Date: Tue Apr 20 2021 - 04:44:56 EST

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