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drivers: media: imx219: Remove enum binning_mode

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The enum binning_mode is redundant, it only uses values from the earlier
defined binning modes. Remove it.

Signed-off-by: Naushir Patuck <naush@raspberrypi.com>
This commit is contained in:
Naushir Patuck
2025-09-24 13:11:19 +01:00
committed by Dom Cobley
parent 335715ba13
commit 6528d0fd0d
1 changed files with 43 additions and 25 deletions
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68
drivers/media/i2c/imx219.c
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@@ -400,42 +400,57 @@ static u32 imx219_get_format_bpp(const struct v4l2_mbus_framefmt *format)
}
}
static void imx219_get_binning(struct v4l2_subdev_state *state, u8 *bin_h,
u8 *bin_v)
static unsigned int imx219_get_binning(struct v4l2_subdev_state *state,
u8 *bin_h, u8 *bin_v)
{
const struct v4l2_mbus_framefmt *format =
v4l2_subdev_state_get_format(state, 0);
const struct v4l2_rect *crop = v4l2_subdev_state_get_crop(state, 0);
u32 hbin = crop->width / format->width;
u32 vbin = crop->height / format->height;
unsigned int bin_mode = IMX219_BINNING_NONE;
const struct imx219_mode *mode =
v4l2_find_nearest_size(supported_modes,
ARRAY_SIZE(supported_modes),
width, height,
format->width, format->height);
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:
bin_mode = mode->binning[BINNING_IDX_8_BIT];
break;
case MEDIA_BUS_FMT_SRGGB10_1X10:
case MEDIA_BUS_FMT_SGRBG10_1X10:
case MEDIA_BUS_FMT_SGBRG10_1X10:
case MEDIA_BUS_FMT_SBGGR10_1X10:
bin_mode = mode->binning[BINNING_IDX_10_BIT];
break;
}
*bin_h = IMX219_BINNING_NONE;
*bin_v = IMX219_BINNING_NONE;
/*
* Use analog binning only if both dimensions are binned, as it crops
* the other dimension.
*/
if (hbin == 2 && vbin == 2) {
*bin_h = IMX219_BINNING_X2_ANALOG;
*bin_v = IMX219_BINNING_X2_ANALOG;
return;
}
if (hbin == 2)
*bin_h = IMX219_BINNING_X2;
if (vbin == 2)
*bin_v = IMX219_BINNING_X2;
if (*bin_h == 2 && *bin_v == 2)
return IMX219_BINNING_X2_ANALOG;
else if (*bin_h == 2 || *bin_v == 2)
/*
* Don't use analog binning if only one dimension
* is binned, as it crops the other dimension
*/
return IMX219_BINNING_X2;
else
return IMX219_BINNING_NONE;
}
static inline u32 imx219_get_rate_factor(struct v4l2_subdev_state *state)
{
u8 bin_h, bin_v;
unsigned int binning = imx219_get_binning(state, &bin_h, &bin_v);
imx219_get_binning(state, &bin_h, &bin_v);
if (binning == IMX219_BINNING_X2_ANALOG)
return 2;
return (bin_h & bin_v) == IMX219_BINNING_X2_ANALOG ? 2 : 1;
return 1;
}
/* -----------------------------------------------------------------------------
@@ -671,6 +686,7 @@ static int imx219_set_framefmt(struct imx219 *imx219,
{
const struct v4l2_mbus_framefmt *format;
const struct v4l2_rect *crop;
unsigned int binning;
u8 bin_h, bin_v;
u32 bpp;
int ret = 0;
@@ -688,9 +704,11 @@ static int imx219_set_framefmt(struct imx219 *imx219,
cci_write(imx219->regmap, IMX219_REG_Y_ADD_END_A,
crop->top - IMX219_PIXEL_ARRAY_TOP + crop->height - 1, &ret);
imx219_get_binning(state, &bin_h, &bin_v);
cci_write(imx219->regmap, IMX219_REG_BINNING_MODE_H, bin_h, &ret);
cci_write(imx219->regmap, IMX219_REG_BINNING_MODE_V, bin_v, &ret);
binning = imx219_get_binning(state, &bin_h, &bin_v);
cci_write(imx219->regmap, IMX219_REG_BINNING_MODE_H,
(bin_h == 2) ? binning : IMX219_BINNING_NONE, &ret);
cci_write(imx219->regmap, IMX219_REG_BINNING_MODE_V,
(bin_v == 2) ? binning : IMX219_BINNING_NONE, &ret);
cci_write(imx219->regmap, IMX219_REG_X_OUTPUT_SIZE,
format->width, &ret);