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authorJacopo Mondi <jacopo+renesas@jmondi.org>2018-03-02 09:46:34 -0500
committerMauro Carvalho Chehab <mchehab@s-opensource.com>2018-03-06 11:54:33 -0500
commit99b010b66f0d60173f1c83d33d9ec1d14c62db26 (patch)
tree786ffe1c7dcf5f16dedc0df80cef0b9eea86194e /drivers/media/i2c
parent6294513dbe61ba0ab1d9201cd3b283fe1cfc7617 (diff)
media: tw9910: Re-organize in-code comments
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>
Diffstat (limited to 'drivers/media/i2c')
-rw-r--r--drivers/media/i2c/tw9910.c44
1 files changed, 13 insertions, 31 deletions
diff --git a/drivers/media/i2c/tw9910.c b/drivers/media/i2c/tw9910.c
index cc5d383fc6b8..3d89a144d23e 100644
--- a/drivers/media/i2c/tw9910.c
+++ b/drivers/media/i2c/tw9910.c
@@ -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);