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media: tw9910: Re-organize in-code comments

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A lot of comments that would fit a single line were spread on two or
more lines. Also fix capitalization and punctuation where appropriate.

Signed-off-by: Jacopo Mondi <jacopo+renesas@jmondi.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
This commit is contained in:
Jacopo Mondi 2018-03-02 09:46:34 -05:00 committed by Mauro Carvalho Chehab
parent 6294513dbe
commit 99b010b66f
1 changed files with 13 additions and 31 deletions
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44
drivers/media/i2c/tw9910.c
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@ -388,7 +388,7 @@ static int tw9910_set_hsync(struct i2c_client *client)
if (ret < 0)
return ret;
/* So far only revisions 0 and 1 have been seen */
/* So far only revisions 0 and 1 have been seen. */
/* bit 2 - 0 */
if (priv->revision == 1)
ret = tw9910_mask_set(client, HSLOWCTL, 0x77,
@ -653,21 +653,15 @@ static int tw9910_set_frame(struct v4l2_subdev *sd, u32 *width, u32 *height)
int ret = -EINVAL;
u8 val;
/*
* select suitable norm
*/
/* Select suitable norm. */
priv->scale = tw9910_select_norm(priv->norm, *width, *height);
if (!priv->scale)
goto tw9910_set_fmt_error;
/*
* reset hardware
*/
/* Reset hardware. */
tw9910_reset(client);
/*
* set bus width
*/
/* Set bus width. */
val = 0x00;
if (priv->info->buswidth == 16)
val = LEN;
@ -676,9 +670,7 @@ static int tw9910_set_frame(struct v4l2_subdev *sd, u32 *width, u32 *height)
if (ret < 0)
goto tw9910_set_fmt_error;
/*
* select MPOUT behavior
*/
/* Select MPOUT behavior. */
switch (priv->info->mpout) {
case TW9910_MPO_VLOSS:
val = RTSEL_VLOSS; break;
@ -704,16 +696,12 @@ static int tw9910_set_frame(struct v4l2_subdev *sd, u32 *width, u32 *height)
if (ret < 0)
goto tw9910_set_fmt_error;
/*
* set scale
*/
/* Set scale. */
ret = tw9910_set_scale(client, priv->scale);
if (ret < 0)
goto tw9910_set_fmt_error;
/*
* set hsync
*/
/* Set hsync. */
ret = tw9910_set_hsync(client);
if (ret < 0)
goto tw9910_set_fmt_error;
@ -740,7 +728,7 @@ static int tw9910_get_selection(struct v4l2_subdev *sd,
if (sel->which != V4L2_SUBDEV_FORMAT_ACTIVE)
return -EINVAL;
/* Only CROP, CROP_DEFAULT and CROP_BOUNDS are supported */
/* Only CROP, CROP_DEFAULT and CROP_BOUNDS are supported. */
if (sel->target > V4L2_SEL_TGT_CROP_BOUNDS)
return -EINVAL;
@ -791,9 +779,7 @@ static int tw9910_s_fmt(struct v4l2_subdev *sd,
WARN_ON(mf->field != V4L2_FIELD_ANY &&
mf->field != V4L2_FIELD_INTERLACED_BT);
/*
* check color format
*/
/* Check color format. */
if (mf->code != MEDIA_BUS_FMT_UYVY8_2X8)
return -EINVAL;
@ -829,9 +815,7 @@ static int tw9910_set_fmt(struct v4l2_subdev *sd,
mf->code = MEDIA_BUS_FMT_UYVY8_2X8;
mf->colorspace = V4L2_COLORSPACE_SMPTE170M;
/*
* select suitable norm
*/
/* Select suitable norm. */
scale = tw9910_select_norm(priv->norm, mf->width, mf->height);
if (!scale)
return -EINVAL;
@ -851,9 +835,7 @@ static int tw9910_video_probe(struct i2c_client *client)
s32 id;
int ret;
/*
* tw9910 only use 8 or 16 bit bus width
*/
/* TW9910 only use 8 or 16 bit bus width. */
if (priv->info->buswidth != 16 && priv->info->buswidth != 8) {
dev_err(&client->dev, "bus width error\n");
return -ENODEV;
@ -864,8 +846,8 @@ static int tw9910_video_probe(struct i2c_client *client)
return ret;
/*
* check and show Product ID
* So far only revisions 0 and 1 have been seen
* Check and show Product ID.
* So far only revisions 0 and 1 have been seen.
*/
id = i2c_smbus_read_byte_data(client, ID);
priv->revision = GET_REV(id);