[PATCH 09/13] imx274: get rid of mode_index

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After restructuring struct imx274_frmfmt, the mode_index field is
still in use only for two dev_dbg() calls in imx274_s_stream(). Let's
remove it and avoid duplicated information.

Replacing the first usage requires a rather annoying but trivial
computation. The other one can be removed entirely since it prints the
same value anyway.

Signed-off-by: Luca Ceresoli <luca@xxxxxxxxxxxxxxxx>
---
 drivers/media/i2c/imx274.c | 15 +++++----------
 1 file changed, 5 insertions(+), 10 deletions(-)

diff --git a/drivers/media/i2c/imx274.c b/drivers/media/i2c/imx274.c
index 2ec31ae4e60d..25907d0817a4 100644
--- a/drivers/media/i2c/imx274.c
+++ b/drivers/media/i2c/imx274.c
@@ -553,8 +553,6 @@ struct imx274_ctrls {
  * @reset_gpio: Pointer to reset gpio
  * @lock: Mutex structure
  * @mode: Parameters for the selected readout mode
- *        (points to imx274_formats[mode_index])
- * @mode_index: Resolution mode index
  */
 struct stimx274 {
 	struct v4l2_subdev sd;
@@ -567,7 +565,6 @@ struct stimx274 {
 	struct gpio_desc *reset_gpio;
 	struct mutex lock; /* mutex lock for operations */
 	const struct imx274_frmfmt *mode;
-	u32 mode_index;
 };
 
 /*
@@ -880,7 +877,6 @@ static int imx274_set_fmt(struct v4l2_subdev *sd,
 		index = 0;
 	}
 
-	imx274->mode_index = index;
 	imx274->mode = &imx274_formats[index];
 
 	if (fmt->width > IMX274_MAX_WIDTH)
@@ -1028,8 +1024,9 @@ static int imx274_s_stream(struct v4l2_subdev *sd, int on)
 	struct stimx274 *imx274 = to_imx274(sd);
 	int ret = 0;
 
-	dev_dbg(&imx274->client->dev, "%s : %s, mode index = %d\n", __func__,
-		on ? "Stream Start" : "Stream Stop", imx274->mode_index);
+	dev_dbg(&imx274->client->dev, "%s : %s, mode index %lu\n", __func__,
+		on ? "Stream Start" : "Stream Stop",
+		imx274->mode - &imx274_formats[0]);
 
 	mutex_lock(&imx274->lock);
 
@@ -1068,8 +1065,7 @@ static int imx274_s_stream(struct v4l2_subdev *sd, int on)
 	}
 
 	mutex_unlock(&imx274->lock);
-	dev_dbg(&imx274->client->dev,
-		"%s : Done: mode = %d\n", __func__, imx274->mode_index);
+	dev_dbg(&imx274->client->dev, "%s : Done\n", __func__);
 	return 0;
 
 fail:
@@ -1625,8 +1621,7 @@ static int imx274_probe(struct i2c_client *client,
 	mutex_init(&imx274->lock);
 
 	/* initialize format */
-	imx274->mode_index = IMX274_MODE_3840X2160;
-	imx274->mode = &imx274_formats[imx274->mode_index];
+	imx274->mode = &imx274_formats[IMX274_MODE_3840X2160];
 	imx274->format.width = imx274->mode->size.width;
 	imx274->format.height = imx274->mode->size.height;
 	imx274->format.field = V4L2_FIELD_NONE;
-- 
2.7.4




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