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Subject: media: i2c: imx219: Merge format and binning setting functions
Author: Laurent Pinchart <laurent.pinch...@ideasonboard.com>
Date: Sun Sep 24 18:32:56 2023 +0300
The imx219_set_binning() function sets registers based on the bpp value,
which is computed in imx219_set_framefmt(). As both functions are called
from the same place consecutively, and set registers based on the
selected mode, merge them together to simplify the code.
Signed-off-by: Laurent Pinchart <laurent.pinch...@ideasonboard.com>
Reviewed-by: Dave Stevenson <dave.steven...@raspberrypi.com>
Signed-off-by: Sakari Ailus <sakari.ai...@linux.intel.com>
Signed-off-by: Hans Verkuil <hverkuil-ci...@xs4all.nl>
drivers/media/i2c/imx219.c | 43 ++++++++++---------------------------------
1 file changed, 10 insertions(+), 33 deletions(-)
---
diff --git a/drivers/media/i2c/imx219.c b/drivers/media/i2c/imx219.c
index 927ab106cea6..140924445a61 100644
--- a/drivers/media/i2c/imx219.c
+++ b/drivers/media/i2c/imx219.c
@@ -614,6 +614,7 @@ static int imx219_set_framefmt(struct imx219 *imx219,
{
const struct imx219_mode *mode = imx219->mode;
unsigned int bpp;
+ u64 bin_mode;
int ret = 0;
switch (format->code) {
@@ -644,6 +645,15 @@ static int imx219_set_framefmt(struct imx219 *imx219,
mode->crop.top - IMX219_PIXEL_ARRAY_TOP + mode->crop.height -
1,
&ret);
+ if (!imx219->mode->binning)
+ bin_mode = IMX219_BINNING_NONE;
+ else if (bpp == 8)
+ bin_mode = IMX219_BINNING_2X2_ANALOG;
+ else
+ bin_mode = IMX219_BINNING_2X2;
+
+ cci_write(imx219->regmap, IMX219_REG_BINNING_MODE, bin_mode, &ret);
+
cci_write(imx219->regmap, IMX219_REG_X_OUTPUT_SIZE,
format->width, &ret);
cci_write(imx219->regmap, IMX219_REG_Y_OUTPUT_SIZE,
@@ -661,32 +671,6 @@ static int imx219_set_framefmt(struct imx219 *imx219,
return ret;
}
-static int imx219_set_binning(struct imx219 *imx219,
- const struct v4l2_mbus_framefmt *format)
-{
- if (!imx219->mode->binning)
- return cci_write(imx219->regmap, IMX219_REG_BINNING_MODE,
- IMX219_BINNING_NONE, NULL);
-
- switch (format->code) {
- case MEDIA_BUS_FMT_SRGGB8_1X8:
- case MEDIA_BUS_FMT_SGRBG8_1X8:
- case MEDIA_BUS_FMT_SGBRG8_1X8:
- case MEDIA_BUS_FMT_SBGGR8_1X8:
- return cci_write(imx219->regmap, IMX219_REG_BINNING_MODE,
- IMX219_BINNING_2X2_ANALOG, NULL);
-
- case MEDIA_BUS_FMT_SRGGB10_1X10:
- case MEDIA_BUS_FMT_SGRBG10_1X10:
- case MEDIA_BUS_FMT_SGBRG10_1X10:
- case MEDIA_BUS_FMT_SBGGR10_1X10:
- return cci_write(imx219->regmap, IMX219_REG_BINNING_MODE,
- IMX219_BINNING_2X2, NULL);
- }
-
- return -EINVAL;
-}
-
static int imx219_get_selection(struct v4l2_subdev *sd,
struct v4l2_subdev_state *sd_state,
struct v4l2_subdev_selection *sel)
@@ -760,13 +744,6 @@ static int imx219_start_streaming(struct imx219 *imx219,
goto err_rpm_put;
}
- ret = imx219_set_binning(imx219, format);
- if (ret) {
- dev_err(&client->dev, "%s failed to set binning: %d\n",
- __func__, ret);
- goto err_rpm_put;
- }
-
/* Apply customized values from user */
ret = __v4l2_ctrl_handler_setup(imx219->sd.ctrl_handler);
if (ret)
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