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SubjectRe: [PATCH v4 5/9] staging: media: atomisp: reformat code comment blocks
Hi Deepak,

On Wed, Apr 28, 2021 at 11:38:45PM +0530, Deepak R Varma wrote:
> Reformat code comment blocks according to the coding style guidelines.
> This resolves different checkpatch script WARNINGs around block comments.
>
> Suggested-by: Fabio Aiuto <fabioaiuto83@gmail.com>
> Signed-off-by: Deepak R Varma <drv@mailo.com>
> ---
>
> Changes since v3:
> - Include additional header files in the clean up
> Changes since v2:
> - Tag Fabio Auito for the patch suggestion
>
> Changes in v1:
> - implement following changes suggested by Fabio Aiuto
> a. Corrected commenting style
> b. Similar style implemented for other comment blocks in
> the same files.
>
> .../media/atomisp/i2c/atomisp-gc2235.c | 19 ++++---
> .../atomisp/i2c/atomisp-libmsrlisthelper.c | 6 ++-
> .../media/atomisp/i2c/atomisp-mt9m114.c | 49 ++++++++++++-------
> .../media/atomisp/i2c/atomisp-ov2680.c | 20 +++++---
> drivers/staging/media/atomisp/i2c/mt9m114.h | 3 +-
> drivers/staging/media/atomisp/i2c/ov2680.h | 10 ++--
> 6 files changed, 65 insertions(+), 42 deletions(-)
>
> diff --git a/drivers/staging/media/atomisp/i2c/atomisp-gc2235.c b/drivers/staging/media/atomisp/i2c/atomisp-gc2235.c
> index 548c572d3b57..6ee6e8414f0e 100644
> --- a/drivers/staging/media/atomisp/i2c/atomisp-gc2235.c
> +++ b/drivers/staging/media/atomisp/i2c/atomisp-gc2235.c
> @@ -228,7 +228,7 @@ static int gc2235_g_focal(struct v4l2_subdev *sd, s32 *val)
>
> static int gc2235_g_fnumber(struct v4l2_subdev *sd, s32 *val)
> {
> - /*const f number for imx*/
> + /* const f number for imx */
> *val = (GC2235_F_NUMBER_DEFAULT_NUM << 16) | GC2235_F_NUMBER_DEM;
> return 0;
> }
> @@ -427,7 +427,8 @@ static long gc2235_ioctl(struct v4l2_subdev *sd, unsigned int cmd, void *arg)
> return 0;
> }
>
> -/* This returns the exposure time being used. This should only be used
> +/*
> + * This returns the exposure time being used. This should only be used
> * for filling in EXIF data, not for actual image processing.
> */
> static int gc2235_q_exposure(struct v4l2_subdev *sd, s32 *value)
> @@ -746,11 +747,12 @@ static int startup(struct v4l2_subdev *sd)
> int ret = 0;
>
> 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
> - */
> + /*
> + * 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
> + */
> power_down(sd);
> power_up(sd);
> gc2235_write_reg_array(client, gc2235_init_settings);
> @@ -904,7 +906,8 @@ static int gc2235_s_config(struct v4l2_subdev *sd,
> (struct camera_sensor_platform_data *)platform_data;
>
> mutex_lock(&dev->input_lock);
> - /* power off the module, then power on it in future
> + /*
> + * power off the module, then power on it in future
> * as first power on by board may not fulfill the
> * power on sequqence needed by the module
> */
> diff --git a/drivers/staging/media/atomisp/i2c/atomisp-libmsrlisthelper.c b/drivers/staging/media/atomisp/i2c/atomisp-libmsrlisthelper.c
> index b93c80471f22..7a20d918a9d5 100644
> --- a/drivers/staging/media/atomisp/i2c/atomisp-libmsrlisthelper.c
> +++ b/drivers/staging/media/atomisp/i2c/atomisp-libmsrlisthelper.c
> @@ -50,14 +50,16 @@ struct tbd_data_record_header {
> static int set_msr_configuration(struct i2c_client *client, uint8_t *bufptr,
> unsigned int size)
> {
> - /* The configuration data contains any number of sequences where
> + /*
> + * The configuration data contains any number of sequences where
> * the first byte (that is, uint8_t) that marks the number of bytes
> * in the sequence to follow, is indeed followed by the indicated
> * number of bytes of actual data to be written to sensor.
> * 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..a5f0b4848ddf 100644
> --- a/drivers/staging/media/atomisp/i2c/atomisp-mt9m114.c
> +++ b/drivers/staging/media/atomisp/i2c/atomisp-mt9m114.c
> @@ -475,10 +475,12 @@ static int gpio_ctrl(struct v4l2_subdev *sd, bool flag)
> if (!dev || !dev->platform_data)
> return -ENODEV;
>
> - /* Note: current modules wire only one GPIO signal (RESET#),
> + /*
> + * 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);
> @@ -560,7 +562,7 @@ static int power_down(struct v4l2_subdev *sd)
> if (ret)
> dev_err(&client->dev, "vprog failed.\n");
>
> - /*according to DS, 20ms is needed after power down*/
> + /* according to DS, 20ms is needed after power down */
> msleep(20);
>
> return ret;
> @@ -947,7 +949,7 @@ static int mt9m114_g_focal(struct v4l2_subdev *sd, s32 *val)
>
> static int mt9m114_g_fnumber(struct v4l2_subdev *sd, s32 *val)
> {
> - /*const f number for mt9m114*/
> + /* const f number for mt9m114 */
> *val = (MT9M114_F_NUMBER_DEFAULT_NUM << 16) | MT9M114_F_NUMBER_DEM;
> return 0;
> }
> @@ -1008,8 +1010,10 @@ static long mt9m114_s_exposure(struct v4l2_subdev *sd,
> exposure->gain[1]);
>
> coarse_integration = exposure->integration_time[0];
> - /* fine_integration = ExposureTime.FineIntegrationTime; */
> - /* FrameLengthLines = ExposureTime.FrameLengthLines; */
> + /*
> + * fine_integration = ExposureTime.FineIntegrationTime;
> + * FrameLengthLines = ExposureTime.FrameLengthLines;
> + */
> FLines = mt9m114_res[dev->res].lines_per_frame;
> AnalogGain = exposure->gain[0];
> DigitalGain = exposure->gain[1];
> @@ -1019,8 +1023,8 @@ 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)
> @@ -1034,8 +1038,10 @@ static long mt9m114_s_exposure(struct v4l2_subdev *sd,
> }
>
> /* set coarse integration */
> - /* 3A provide real exposure time.
> - should not translate to any value here. */
> + /*
> + * 3A provide real exposure time.
> + * should not translate to any value here.
> + */
> ret = mt9m114_write_reg(client, MISENSOR_16BIT,
> REG_EXPO_COARSE, (u16)(coarse_integration));
> if (ret) {
> @@ -1044,7 +1050,7 @@ static long mt9m114_s_exposure(struct v4l2_subdev *sd,
> }
>
> /*
> - // set analog/digital gain
> + * set analog/digital gain
> switch(AnalogGain)
> {
> case 0:
> @@ -1069,8 +1075,9 @@ 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);
> + */
> AnalogGainToWrite = (u16)((DigitalGain << 12) | (u16)AnalogGain);
> ret = mt9m114_write_reg(client, MISENSOR_16BIT,
> REG_GAIN, AnalogGainToWrite);
> @@ -1095,8 +1102,10 @@ static long mt9m114_ioctl(struct v4l2_subdev *sd, unsigned int cmd, void *arg)
> return 0;
> }
>
> -/* This returns the exposure time being used. This should only be used
> - for filling in EXIF data, not for actual image processing. */
> +/*
> + * This returns the exposure time being used. This should only be used
> + * 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);
> @@ -1247,7 +1256,8 @@ static int mt9m114_s_ev(struct v4l2_subdev *sd, s32 val)
> s32 luma = 0x37;
> int err;
>
> - /* EV value only support -2 to 2
> + /*
> + * EV value only support -2 to 2
> * 0: 0x37, 1:0x47, 2:0x57, -1:0x27, -2:0x17
> */
> if (val < -2 || val > 2)
> @@ -1295,9 +1305,10 @@ static int mt9m114_g_ev(struct v4l2_subdev *sd, s32 *val)
> return 0;
> }
>
> -/* Fake interface
> +/*
> + * Fake interface
> * mt9m114 now can not support 3a_lock
> -*/
> + */
> static int mt9m114_s_3a_lock(struct v4l2_subdev *sd, s32 val)
> {
> aaalock = val;
> @@ -1843,7 +1854,7 @@ static int mt9m114_probe(struct i2c_client *client)
> return ret;
> }
>
> - /*TODO add format code here*/
> + /* TODO add format code here */
> dev->sd.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;
> dev->pad.flags = MEDIA_PAD_FL_SOURCE;
> dev->format.code = MEDIA_BUS_FMT_SGRBG10_1X10;
> diff --git a/drivers/staging/media/atomisp/i2c/atomisp-ov2680.c b/drivers/staging/media/atomisp/i2c/atomisp-ov2680.c
> index a51ad9843d39..d5fa3ea624ef 100644
> --- a/drivers/staging/media/atomisp/i2c/atomisp-ov2680.c
> +++ b/drivers/staging/media/atomisp/i2c/atomisp-ov2680.c
> @@ -127,7 +127,7 @@ static int ov2680_g_focal(struct v4l2_subdev *sd, s32 *val)
>
> static int ov2680_g_fnumber(struct v4l2_subdev *sd, s32 *val)
> {
> - /*const f number for ov2680*/
> + /* const f number for ov2680 */
>
> *val = (OV2680_F_NUMBER_DEFAULT_NUM << 16) | OV2680_F_NUMBER_DEM;
> return 0;
> @@ -399,7 +399,8 @@ static long ov2680_ioctl(struct v4l2_subdev *sd, unsigned int cmd, void *arg)
> return 0;
> }
>
> -/* This returns the exposure time being used. This should only be used
> +/*
> + * This returns the exposure time being used. This should only be used
> * for filling in EXIF data, not for actual image processing.
> */
> static int ov2680_q_exposure(struct v4l2_subdev *sd, s32 *value)
> @@ -727,11 +728,13 @@ static int gpio_ctrl(struct v4l2_subdev *sd, bool flag)
> if (!dev || !dev->platform_data)
> return -ENODEV;
>
> - /* The OV2680 documents only one GPIO input (#XSHUTDN), but
> + /*
> + * The OV2680 documents only one GPIO input (#XSHUTDN), but
> * 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);
> @@ -977,7 +980,8 @@ static int ov2680_set_fmt(struct v4l2_subdev *sd,
> goto err;
> }
>
> - /*recall flip functions to avoid flip registers
> + /*
> + * recall flip functions to avoid flip registers
> * were overridden by default setting
> */
> if (h_flag)
> @@ -987,7 +991,8 @@ static int ov2680_set_fmt(struct v4l2_subdev *sd,
>
> v4l2_info(client, "\n%s idx %d\n", __func__, dev->fmt_idx);
>
> - /*ret = startup(sd);
> + /*
> + * ret = startup(sd);
> * if (ret)
> * dev_err(&client->dev, "ov2680 startup err\n");
> */
> @@ -1096,7 +1101,8 @@ static int ov2680_s_config(struct v4l2_subdev *sd,
> (struct camera_sensor_platform_data *)platform_data;
>
> mutex_lock(&dev->input_lock);
> - /* power off the module, then power on it in future
> + /*
> + * power off the module, then power on it in future
> * as first power on by board may not fulfill the
> * power on sequqence needed by the module
> */
> diff --git a/drivers/staging/media/atomisp/i2c/mt9m114.h b/drivers/staging/media/atomisp/i2c/mt9m114.h
> index 787bbf59e895..aad98f37aaa6 100644
> --- a/drivers/staging/media/atomisp/i2c/mt9m114.h
> +++ b/drivers/staging/media/atomisp/i2c/mt9m114.h
> @@ -765,7 +765,8 @@ static struct misensor_reg const mt9m114_common[] = {
> {MISENSOR_16BIT, 0xC868, 0x0280}, /* cam_output_width = 952 */
> {MISENSOR_16BIT, 0xC86A, 0x01E0}, /* cam_output_height = 538 */
> /* LOAD = Step3-Recommended
> - * Patch,Errata and Sensor optimization Setting */
> + * Patch,Errata and Sensor optimization Setting
> + */

/*
* LOAD = Step3-Recommended

:(


> {MISENSOR_16BIT, 0x316A, 0x8270}, /* DAC_TXLO_ROW */
> {MISENSOR_16BIT, 0x316C, 0x8270}, /* DAC_TXLO */
> {MISENSOR_16BIT, 0x3ED0, 0x2305}, /* DAC_LD_4_5 */
> diff --git a/drivers/staging/media/atomisp/i2c/ov2680.h b/drivers/staging/media/atomisp/i2c/ov2680.h
> index 49920245e064..4d43b45915e5 100644
> --- a/drivers/staging/media/atomisp/i2c/ov2680.h
> +++ b/drivers/staging/media/atomisp/i2c/ov2680.h
> @@ -459,8 +459,8 @@ static struct ov2680_reg const ov2680_656x496_30fps[] = {
> };
>
> /*
> -* 800x600 30fps VBlanking 1lane 10Bit (binning)
> -*/
> + * 800x600 30fps VBlanking 1lane 10Bit (binning)
> + */
> static struct ov2680_reg const ov2680_720x592_30fps[] = {
> {0x3086, 0x01},
> {0x3501, 0x26},
> @@ -504,8 +504,8 @@ static struct ov2680_reg const ov2680_720x592_30fps[] = {
> };
>
> /*
> -* 800x600 30fps VBlanking 1lane 10Bit (binning)
> -*/
> + * 800x600 30fps VBlanking 1lane 10Bit (binning)
> + */
> static struct ov2680_reg const ov2680_800x600_30fps[] = {
> {0x3086, 0x01},
> {0x3501, 0x26},
> @@ -634,7 +634,7 @@ static struct ov2680_reg const ov2680_1296x976_30fps[] = {
>
> /*
> * 1456*1096 30fps VBlanking 1lane 10bit(no-scaling)
> -*/
> + */
> static struct ov2680_reg const ov2680_1456x1096_30fps[] = {
> {0x3086, 0x00},
> {0x3501, 0x48},
> --
> 2.31.1
>
>
>
>

thank you,

fabio

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