media: rkisp1: Mark subdev state pointers as const

Several subdev state pointers are used to access the state read-only.
Mark them as const.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Reviewed-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
Reviewed-by: Nicolas Dufresne <nicolas.dufresne@collabora.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>

diff --git a/drivers/media/platform/rockchip/rkisp1/rkisp1-isp.c b/drivers/media/platform/rockchip/rkisp1/rkisp1-isp.c
index e45a213baf497118c72ba42b1c6fbf1fcb76eafb..91301d17d356c48cb01ccf59ddfbb66a4f6130f0 100644 (file)
--- a/drivers/media/platform/rockchip/rkisp1/rkisp1-isp.c
+++ b/drivers/media/platform/rockchip/rkisp1/rkisp1-isp.c
@@ -173,7 +173,7 @@ static void rkisp1_gasket_disable(struct rkisp1_device *rkisp1)
  * or at the frame end interrupt
  */
 static void rkisp1_config_ism(struct rkisp1_isp *isp,
-                             struct v4l2_subdev_state *sd_state)
+                             const struct v4l2_subdev_state *sd_state)
 {
        const struct v4l2_rect *src_crop =
                v4l2_subdev_state_get_crop(sd_state,
@@ -201,7 +201,7 @@ static void rkisp1_config_ism(struct rkisp1_isp *isp,
  * configure ISP blocks with input format, size......
  */
 static int rkisp1_config_isp(struct rkisp1_isp *isp,
-                            struct v4l2_subdev_state *sd_state,
+                            const struct v4l2_subdev_state *sd_state,
                             enum v4l2_mbus_type mbus_type, u32 mbus_flags)
 {
        struct rkisp1_device *rkisp1 = isp->rkisp1;
@@ -309,7 +309,7 @@ static int rkisp1_config_isp(struct rkisp1_isp *isp,
        if (src_fmt->pixel_enc == V4L2_PIXEL_ENC_BAYER) {
                rkisp1_params_disable(&rkisp1->params);
        } else {
-               struct v4l2_mbus_framefmt *src_frm;
+               const struct v4l2_mbus_framefmt *src_frm;
 
                src_frm = v4l2_subdev_state_get_format(sd_state,
                                                       RKISP1_ISP_PAD_SOURCE_VIDEO);
@@ -429,7 +429,7 @@ static void rkisp1_config_clk(struct rkisp1_isp *isp)
 }
 
 static int rkisp1_isp_start(struct rkisp1_isp *isp,
-                           struct v4l2_subdev_state *sd_state,
+                           const struct v4l2_subdev_state *sd_state,
                            struct media_pad *source)
 {
        struct rkisp1_device *rkisp1 = isp->rkisp1;

diff --git a/drivers/media/platform/rockchip/rkisp1/rkisp1-resizer.c b/drivers/media/platform/rockchip/rkisp1/rkisp1-resizer.c
index 6f3931ca5b51aa34c5cf73c455f0e0c05ca8c569..1fa991227fa9042a18822c62de50ab7e84d8efad 100644 (file)
--- a/drivers/media/platform/rockchip/rkisp1/rkisp1-resizer.c
+++ b/drivers/media/platform/rockchip/rkisp1/rkisp1-resizer.c
@@ -135,11 +135,11 @@ static void rkisp1_dcrop_disable(struct rkisp1_resizer *rsz,
 
 /* configure dual-crop unit */
 static void rkisp1_dcrop_config(struct rkisp1_resizer *rsz,
-                               struct v4l2_subdev_state *sd_state)
+                               const struct v4l2_subdev_state *sd_state)
 {
        struct rkisp1_device *rkisp1 = rsz->rkisp1;
-       struct v4l2_mbus_framefmt *sink_fmt;
-       struct v4l2_rect *sink_crop;
+       const struct v4l2_mbus_framefmt *sink_fmt;
+       const struct v4l2_rect *sink_crop;
        u32 dc_ctrl;
 
        sink_crop = v4l2_subdev_state_get_crop(sd_state, RKISP1_RSZ_PAD_SINK);
@@ -264,7 +264,7 @@ static void rkisp1_rsz_config_regs(struct rkisp1_resizer *rsz,
 }
 
 static void rkisp1_rsz_config(struct rkisp1_resizer *rsz,
-                             struct v4l2_subdev_state *sd_state,
+                             const struct v4l2_subdev_state *sd_state,
                              enum rkisp1_shadow_regs_when when)
 {
        const struct rkisp1_rsz_yuv_mbus_info *sink_yuv_info, *src_yuv_info;