[v1] staging: media: starfive: Clean pad selection in isp_try_format()

[Changhuang Liang]

The code to select isp_dev->formats[] is overly complicated.  We can
just use the "pad" as the index.  This will making adding new pads
easier in future patches.  No functional change.

Signed-off-by: Changhuang Liang <changhuang.liang@xxxxxxxxxxxxxxxx>
---
 drivers/staging/media/starfive/camss/stf-isp.c | 10 ++--------
 1 file changed, 2 insertions(+), 8 deletions(-)

diff --git a/drivers/staging/media/starfive/camss/stf-isp.c b/drivers/staging/media/starfive/camss/stf-isp.c
index d50616ef351e..4e6e26736852 100644
--- a/drivers/staging/media/starfive/camss/stf-isp.c
+++ b/drivers/staging/media/starfive/camss/stf-isp.c
@@ -10,9 +10,6 @@
 
 #include "stf-camss.h"
 
-#define SINK_FORMATS_INDEX	0
-#define SOURCE_FORMATS_INDEX	1
-
 static int isp_set_selection(struct v4l2_subdev *sd,
 			     struct v4l2_subdev_state *state,
 			     struct v4l2_subdev_selection *sel);
@@ -94,10 +91,7 @@ static void isp_try_format(struct stf_isp_dev *isp_dev,
 		return;
 	}
 
-	if (pad == STF_ISP_PAD_SINK)
-		formats = &isp_dev->formats[SINK_FORMATS_INDEX];
-	else if (pad == STF_ISP_PAD_SRC)
-		formats = &isp_dev->formats[SOURCE_FORMATS_INDEX];
+	formats = &isp_dev->formats[pad];
 
 	fmt->width = clamp_t(u32, fmt->width, STFCAMSS_FRAME_MIN_WIDTH,
 			     STFCAMSS_FRAME_MAX_WIDTH);
@@ -123,7 +117,7 @@ static int isp_enum_mbus_code(struct v4l2_subdev *sd,
 		if (code->index >= ARRAY_SIZE(isp_formats_sink))
 			return -EINVAL;
 
-		formats = &isp_dev->formats[SINK_FORMATS_INDEX];
+		formats = &isp_dev->formats[code->pad];
 		code->code = formats->fmts[code->index].code;
 	} else {
 		struct v4l2_mbus_framefmt *sink_fmt;
-- 
2.25.1