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Subject: media: staging: atomisp: Kill subdev s_parm abuse
Author:  Sakari Ailus <sakari.ai...@linux.intel.com>
Date:    Sun Jan 21 16:43:42 2018 -0500

Remove sensor driver's interface for setting the use case specific mode
list as well as the mode lists that are related to other than
CI_MODE_PREVIEW. This removes s_parm abuse in using driver specific values
in v4l2_streamparm.capture.capturemode. The drivers already support
[gs]_frame_interval so removing support for [gs]_parm is enough.

Signed-off-by: Sakari Ailus <sakari.ai...@linux.intel.com>
Signed-off-by: Hans Verkuil <hans.verk...@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mche...@s-opensource.com>

 drivers/staging/media/atomisp/i2c/atomisp-gc0310.c | 26 ---------
 drivers/staging/media/atomisp/i2c/atomisp-gc2235.c | 26 ---------
 drivers/staging/media/atomisp/i2c/atomisp-ov2680.c | 29 ---------
 drivers/staging/media/atomisp/i2c/atomisp-ov2722.c | 26 ---------
 drivers/staging/media/atomisp/i2c/gc0310.h         | 43 --------------
 drivers/staging/media/atomisp/i2c/gc2235.h         |  1 -
 drivers/staging/media/atomisp/i2c/ov2680.h         | 68 ----------------------
 .../media/atomisp/i2c/ov5693/atomisp-ov5693.c      | 27 ---------
 .../media/atomisp/pci/atomisp2/atomisp_cmd.c       |  9 +--
 .../media/atomisp/pci/atomisp2/atomisp_subdev.c    | 12 +---
 10 files changed, 3 insertions(+), 264 deletions(-)

---

diff --git a/drivers/staging/media/atomisp/i2c/atomisp-gc0310.c 
b/drivers/staging/media/atomisp/i2c/atomisp-gc0310.c
index 61b7598469eb..572c9127c24d 100644
--- a/drivers/staging/media/atomisp/i2c/atomisp-gc0310.c
+++ b/drivers/staging/media/atomisp/i2c/atomisp-gc0310.c
@@ -1224,37 +1224,12 @@ static int gc0310_g_parm(struct v4l2_subdev *sd,
        if (dev->fmt_idx >= 0 && dev->fmt_idx < N_RES) {
                param->parm.capture.capability = V4L2_CAP_TIMEPERFRAME;
                param->parm.capture.timeperframe.numerator = 1;
-               param->parm.capture.capturemode = dev->run_mode;
                param->parm.capture.timeperframe.denominator =
                        gc0310_res[dev->fmt_idx].fps;
        }
        return 0;
 }
 
-static int gc0310_s_parm(struct v4l2_subdev *sd,
-                       struct v4l2_streamparm *param)
-{
-       struct gc0310_device *dev = to_gc0310_sensor(sd);
-       dev->run_mode = param->parm.capture.capturemode;
-
-       mutex_lock(&dev->input_lock);
-       switch (dev->run_mode) {
-       case CI_MODE_VIDEO:
-               gc0310_res = gc0310_res_video;
-               N_RES = N_RES_VIDEO;
-               break;
-       case CI_MODE_STILL_CAPTURE:
-               gc0310_res = gc0310_res_still;
-               N_RES = N_RES_STILL;
-               break;
-       default:
-               gc0310_res = gc0310_res_preview;
-               N_RES = N_RES_PREVIEW;
-       }
-       mutex_unlock(&dev->input_lock);
-       return 0;
-}
-
 static int gc0310_g_frame_interval(struct v4l2_subdev *sd,
                                   struct v4l2_subdev_frame_interval *interval)
 {
@@ -1314,7 +1289,6 @@ static const struct v4l2_subdev_sensor_ops 
gc0310_sensor_ops = {
 static const struct v4l2_subdev_video_ops gc0310_video_ops = {
        .s_stream = gc0310_s_stream,
        .g_parm = gc0310_g_parm,
-       .s_parm = gc0310_s_parm,
        .g_frame_interval = gc0310_g_frame_interval,
 };
 
diff --git a/drivers/staging/media/atomisp/i2c/atomisp-gc2235.c 
b/drivers/staging/media/atomisp/i2c/atomisp-gc2235.c
index d8de46da64ae..2bc179f3afe5 100644
--- a/drivers/staging/media/atomisp/i2c/atomisp-gc2235.c
+++ b/drivers/staging/media/atomisp/i2c/atomisp-gc2235.c
@@ -964,37 +964,12 @@ static int gc2235_g_parm(struct v4l2_subdev *sd,
        if (dev->fmt_idx >= 0 && dev->fmt_idx < N_RES) {
                param->parm.capture.capability = V4L2_CAP_TIMEPERFRAME;
                param->parm.capture.timeperframe.numerator = 1;
-               param->parm.capture.capturemode = dev->run_mode;
                param->parm.capture.timeperframe.denominator =
                        gc2235_res[dev->fmt_idx].fps;
        }
        return 0;
 }
 
-static int gc2235_s_parm(struct v4l2_subdev *sd,
-                       struct v4l2_streamparm *param)
-{
-       struct gc2235_device *dev = to_gc2235_sensor(sd);
-       dev->run_mode = param->parm.capture.capturemode;
-
-       mutex_lock(&dev->input_lock);
-       switch (dev->run_mode) {
-       case CI_MODE_VIDEO:
-               gc2235_res = gc2235_res_video;
-               N_RES = N_RES_VIDEO;
-               break;
-       case CI_MODE_STILL_CAPTURE:
-               gc2235_res = gc2235_res_still;
-               N_RES = N_RES_STILL;
-               break;
-       default:
-               gc2235_res = gc2235_res_preview;
-               N_RES = N_RES_PREVIEW;
-       }
-       mutex_unlock(&dev->input_lock);
-       return 0;
-}
-
 static int gc2235_g_frame_interval(struct v4l2_subdev *sd,
                                   struct v4l2_subdev_frame_interval *interval)
 {
@@ -1053,7 +1028,6 @@ static const struct v4l2_subdev_sensor_ops 
gc2235_sensor_ops = {
 static const struct v4l2_subdev_video_ops gc2235_video_ops = {
        .s_stream = gc2235_s_stream,
        .g_parm = gc2235_g_parm,
-       .s_parm = gc2235_s_parm,
        .g_frame_interval = gc2235_g_frame_interval,
 };
 
diff --git a/drivers/staging/media/atomisp/i2c/atomisp-ov2680.c 
b/drivers/staging/media/atomisp/i2c/atomisp-ov2680.c
index 84f8d33ce2d1..e3e0fdd0c816 100644
--- a/drivers/staging/media/atomisp/i2c/atomisp-ov2680.c
+++ b/drivers/staging/media/atomisp/i2c/atomisp-ov2680.c
@@ -1300,40 +1300,12 @@ static int ov2680_g_parm(struct v4l2_subdev *sd,
        if (dev->fmt_idx >= 0 && dev->fmt_idx < N_RES) {
                param->parm.capture.capability = V4L2_CAP_TIMEPERFRAME;
                param->parm.capture.timeperframe.numerator = 1;
-               param->parm.capture.capturemode = dev->run_mode;
                param->parm.capture.timeperframe.denominator =
                        ov2680_res[dev->fmt_idx].fps;
        }
        return 0;
 }
 
-static int ov2680_s_parm(struct v4l2_subdev *sd,
-                       struct v4l2_streamparm *param)
-{
-       struct ov2680_device *dev = to_ov2680_sensor(sd);
-       struct i2c_client *client = v4l2_get_subdevdata(sd);
-       dev->run_mode = param->parm.capture.capturemode;
-
-       v4l2_info(client, "\n%s:run_mode :%x\n", __func__, dev->run_mode);
-
-       mutex_lock(&dev->input_lock);
-       switch (dev->run_mode) {
-       case CI_MODE_VIDEO:
-               ov2680_res = ov2680_res_video;
-               N_RES = N_RES_VIDEO;
-               break;
-       case CI_MODE_STILL_CAPTURE:
-               ov2680_res = ov2680_res_still;
-               N_RES = N_RES_STILL;
-               break;
-       default:
-               ov2680_res = ov2680_res_preview;
-               N_RES = N_RES_PREVIEW;
-       }
-       mutex_unlock(&dev->input_lock);
-       return 0;
-}
-
 static int ov2680_g_frame_interval(struct v4l2_subdev *sd,
                                   struct v4l2_subdev_frame_interval *interval)
 {
@@ -1388,7 +1360,6 @@ static int ov2680_g_skip_frames(struct v4l2_subdev *sd, 
u32 *frames)
 static const struct v4l2_subdev_video_ops ov2680_video_ops = {
        .s_stream = ov2680_s_stream,
        .g_parm = ov2680_g_parm,
-       .s_parm = ov2680_s_parm,
        .g_frame_interval = ov2680_g_frame_interval,
 };
 
diff --git a/drivers/staging/media/atomisp/i2c/atomisp-ov2722.c 
b/drivers/staging/media/atomisp/i2c/atomisp-ov2722.c
index 2b6ae0faf972..cd9f6433cd42 100644
--- a/drivers/staging/media/atomisp/i2c/atomisp-ov2722.c
+++ b/drivers/staging/media/atomisp/i2c/atomisp-ov2722.c
@@ -1103,37 +1103,12 @@ static int ov2722_g_parm(struct v4l2_subdev *sd,
        if (dev->fmt_idx >= 0 && dev->fmt_idx < N_RES) {
                param->parm.capture.capability = V4L2_CAP_TIMEPERFRAME;
                param->parm.capture.timeperframe.numerator = 1;
-               param->parm.capture.capturemode = dev->run_mode;
                param->parm.capture.timeperframe.denominator =
                        ov2722_res[dev->fmt_idx].fps;
        }
        return 0;
 }
 
-static int ov2722_s_parm(struct v4l2_subdev *sd,
-                       struct v4l2_streamparm *param)
-{
-       struct ov2722_device *dev = to_ov2722_sensor(sd);
-       dev->run_mode = param->parm.capture.capturemode;
-
-       mutex_lock(&dev->input_lock);
-       switch (dev->run_mode) {
-       case CI_MODE_VIDEO:
-               ov2722_res = ov2722_res_video;
-               N_RES = N_RES_VIDEO;
-               break;
-       case CI_MODE_STILL_CAPTURE:
-               ov2722_res = ov2722_res_still;
-               N_RES = N_RES_STILL;
-               break;
-       default:
-               ov2722_res = ov2722_res_preview;
-               N_RES = N_RES_PREVIEW;
-       }
-       mutex_unlock(&dev->input_lock);
-       return 0;
-}
-
 static int ov2722_g_frame_interval(struct v4l2_subdev *sd,
                                   struct v4l2_subdev_frame_interval *interval)
 {
@@ -1193,7 +1168,6 @@ static const struct v4l2_subdev_sensor_ops 
ov2722_sensor_ops = {
 static const struct v4l2_subdev_video_ops ov2722_video_ops = {
        .s_stream = ov2722_s_stream,
        .g_parm = ov2722_g_parm,
-       .s_parm = ov2722_s_parm,
        .g_frame_interval = ov2722_g_frame_interval,
 };
 
diff --git a/drivers/staging/media/atomisp/i2c/gc0310.h 
b/drivers/staging/media/atomisp/i2c/gc0310.h
index c422d0398fc7..af6b11f6e5e7 100644
--- a/drivers/staging/media/atomisp/i2c/gc0310.h
+++ b/drivers/staging/media/atomisp/i2c/gc0310.h
@@ -150,7 +150,6 @@ struct gc0310_device {
        struct camera_sensor_platform_data *platform_data;
        int vt_pix_clk_freq_mhz;
        int fmt_idx;
-       int run_mode;
        u8 res;
        u8 type;
 };
@@ -400,48 +399,6 @@ struct gc0310_resolution gc0310_res_preview[] = {
 };
 #define N_RES_PREVIEW (ARRAY_SIZE(gc0310_res_preview))
 
-struct gc0310_resolution gc0310_res_still[] = {
-       {
-               .desc = "gc0310_VGA_30fps",
-               .width = 656, // 648,
-               .height = 496, // 488,
-               .fps = 30,
-               //.pix_clk_freq = 73,
-               .used = 0,
-#if 0
-               .pixels_per_line = 0x0314,
-               .lines_per_frame = 0x0213,
-#endif
-               .bin_factor_x = 1,
-               .bin_factor_y = 1,
-               .bin_mode = 0,
-               .skip_frames = 2,
-               .regs = gc0310_VGA_30fps,
-       },
-};
-#define N_RES_STILL (ARRAY_SIZE(gc0310_res_still))
-
-struct gc0310_resolution gc0310_res_video[] = {
-       {
-               .desc = "gc0310_VGA_30fps",
-               .width = 656, // 648,
-               .height = 496, // 488,
-               .fps = 30,
-               //.pix_clk_freq = 73,
-               .used = 0,
-#if 0
-               .pixels_per_line = 0x0314,
-               .lines_per_frame = 0x0213,
-#endif
-               .bin_factor_x = 1,
-               .bin_factor_y = 1,
-               .bin_mode = 0,
-               .skip_frames = 2,
-               .regs = gc0310_VGA_30fps,
-       },
-};
-#define N_RES_VIDEO (ARRAY_SIZE(gc0310_res_video))
-
 static struct gc0310_resolution *gc0310_res = gc0310_res_preview;
 static unsigned long N_RES = N_RES_PREVIEW;
 #endif
diff --git a/drivers/staging/media/atomisp/i2c/gc2235.h 
b/drivers/staging/media/atomisp/i2c/gc2235.h
index 3c30a05c3991..45a54fea5466 100644
--- a/drivers/staging/media/atomisp/i2c/gc2235.h
+++ b/drivers/staging/media/atomisp/i2c/gc2235.h
@@ -156,7 +156,6 @@ struct gc2235_device {
        struct camera_sensor_platform_data *platform_data;
        int vt_pix_clk_freq_mhz;
        int fmt_idx;
-       int run_mode;
        u8 res;
        u8 type;
 };
diff --git a/drivers/staging/media/atomisp/i2c/ov2680.h 
b/drivers/staging/media/atomisp/i2c/ov2680.h
index 03f75dd80f87..cb38e6e79409 100644
--- a/drivers/staging/media/atomisp/i2c/ov2680.h
+++ b/drivers/staging/media/atomisp/i2c/ov2680.h
@@ -850,74 +850,6 @@ struct ov2680_format {
 };
 #define N_RES_PREVIEW (ARRAY_SIZE(ov2680_res_preview))
 
-static struct ov2680_resolution ov2680_res_still[] = {
-       {
-               .desc = "ov2680_1616x1216_30fps",
-               .width = 1616,
-               .height = 1216,
-               .pix_clk_freq = 66,
-               .fps = 30,
-               .used = 0,
-               .pixels_per_line = 1698,//1704,
-               .lines_per_frame = 1294,
-               .bin_factor_x = 0,
-               .bin_factor_y = 0,
-               .bin_mode = 0,
-               .skip_frames = 3,
-               .regs = ov2680_1616x1216_30fps,
-       },
-       {
-               .desc = "ov2680_1616x916_30fps",
-               .width = 1616,
-               .height = 916,
-               .fps = 30,
-               .pix_clk_freq = 66,
-               .used = 0,
-               .pixels_per_line = 1698,//1704,
-               .lines_per_frame = 1294,
-               .bin_factor_x = 0,
-               .bin_factor_y = 0,
-               .bin_mode = 0,
-               .skip_frames = 3,
-               .regs = ov2680_1616x916_30fps,
-       },
-};
-#define N_RES_STILL (ARRAY_SIZE(ov2680_res_still))
-
-static struct ov2680_resolution ov2680_res_video[] = {
-       {
-               .desc = "ov2680_1616x1216_30fps",
-               .width = 1616,
-               .height = 1216,
-               .pix_clk_freq = 66,
-               .fps = 30,
-               .used = 0,
-               .pixels_per_line = 1698,//1704,
-               .lines_per_frame = 1294,
-               .bin_factor_x = 0,
-               .bin_factor_y = 0,
-               .bin_mode = 0,
-               .skip_frames = 3,
-               .regs = ov2680_1616x1216_30fps,
-       },
-       {
-               .desc = "ov2680_720p_30fps",
-               .width = 1616,
-               .height = 916,
-               .fps = 30,
-               .pix_clk_freq = 66,
-               .used = 0,
-               .pixels_per_line = 1698,//1704,
-               .lines_per_frame = 1294,
-               .bin_factor_x = 0,
-               .bin_factor_y = 0,
-               .bin_mode = 0,
-               .skip_frames = 3,
-               .regs = ov2680_1616x916_30fps,
-       },
-};
-#define N_RES_VIDEO (ARRAY_SIZE(ov2680_res_video))
-
 static struct ov2680_resolution *ov2680_res = ov2680_res_preview;
 static unsigned long N_RES = N_RES_PREVIEW;
 
diff --git a/drivers/staging/media/atomisp/i2c/ov5693/atomisp-ov5693.c 
b/drivers/staging/media/atomisp/i2c/ov5693/atomisp-ov5693.c
index 40d01bf4bf28..7f594c7de76e 100644
--- a/drivers/staging/media/atomisp/i2c/ov5693/atomisp-ov5693.c
+++ b/drivers/staging/media/atomisp/i2c/ov5693/atomisp-ov5693.c
@@ -1825,38 +1825,12 @@ static int ov5693_g_parm(struct v4l2_subdev *sd,
        if (dev->fmt_idx >= 0 && dev->fmt_idx < N_RES) {
                param->parm.capture.capability = V4L2_CAP_TIMEPERFRAME;
                param->parm.capture.timeperframe.numerator = 1;
-               param->parm.capture.capturemode = dev->run_mode;
                param->parm.capture.timeperframe.denominator =
                        ov5693_res[dev->fmt_idx].fps;
        }
        return 0;
 }
 
-static int ov5693_s_parm(struct v4l2_subdev *sd,
-                       struct v4l2_streamparm *param)
-{
-       struct ov5693_device *dev = to_ov5693_sensor(sd);
-
-       dev->run_mode = param->parm.capture.capturemode;
-
-       mutex_lock(&dev->input_lock);
-       switch (dev->run_mode) {
-       case CI_MODE_VIDEO:
-               ov5693_res = ov5693_res_video;
-               N_RES = N_RES_VIDEO;
-               break;
-       case CI_MODE_STILL_CAPTURE:
-               ov5693_res = ov5693_res_still;
-               N_RES = N_RES_STILL;
-               break;
-       default:
-               ov5693_res = ov5693_res_preview;
-               N_RES = N_RES_PREVIEW;
-       }
-       mutex_unlock(&dev->input_lock);
-       return 0;
-}
-
 static int ov5693_g_frame_interval(struct v4l2_subdev *sd,
                                   struct v4l2_subdev_frame_interval *interval)
 {
@@ -1900,7 +1874,6 @@ static int ov5693_enum_frame_size(struct v4l2_subdev *sd,
 static const struct v4l2_subdev_video_ops ov5693_video_ops = {
        .s_stream = ov5693_s_stream,
        .g_parm = ov5693_g_parm,
-       .s_parm = ov5693_s_parm,
        .g_frame_interval = ov5693_g_frame_interval,
 };
 
diff --git a/drivers/staging/media/atomisp/pci/atomisp2/atomisp_cmd.c 
b/drivers/staging/media/atomisp/pci/atomisp2/atomisp_cmd.c
index debf0e3853ff..3410a7fb1fcf 100644
--- a/drivers/staging/media/atomisp/pci/atomisp2/atomisp_cmd.c
+++ b/drivers/staging/media/atomisp/pci/atomisp2/atomisp_cmd.c
@@ -2091,7 +2091,7 @@ int atomisp_set_sensor_runmode(struct atomisp_sub_device 
*asd,
        struct atomisp_device *isp = asd->isp;
        struct v4l2_ctrl *c;
        struct v4l2_streamparm p = {0};
-       int ret;
+       int ret = 0;
        int modes[] = { CI_MODE_NONE,
                        CI_MODE_VIDEO,
                        CI_MODE_STILL_CAPTURE,
@@ -2105,13 +2105,8 @@ int atomisp_set_sensor_runmode(struct atomisp_sub_device 
*asd,
        c = v4l2_ctrl_find(isp->inputs[asd->input_curr].camera->ctrl_handler,
                           V4L2_CID_RUN_MODE);
 
-       if (c) {
+       if (c)
                ret = v4l2_ctrl_s_ctrl(c, runmode->mode);
-       } else {
-               p.parm.capture.capturemode = modes[runmode->mode];
-               ret = v4l2_subdev_call(isp->inputs[asd->input_curr].camera,
-                                      video, s_parm, &p);
-       }
 
        mutex_unlock(asd->ctrl_handler.lock);
        return ret;
diff --git a/drivers/staging/media/atomisp/pci/atomisp2/atomisp_subdev.c 
b/drivers/staging/media/atomisp/pci/atomisp2/atomisp_subdev.c
index f3e18d627b0a..b78276ac22da 100644
--- a/drivers/staging/media/atomisp/pci/atomisp2/atomisp_subdev.c
+++ b/drivers/staging/media/atomisp/pci/atomisp2/atomisp_subdev.c
@@ -819,12 +819,6 @@ static int __atomisp_update_run_mode(struct 
atomisp_sub_device *asd)
        struct atomisp_device *isp = asd->isp;
        struct v4l2_ctrl *ctrl = asd->run_mode;
        struct v4l2_ctrl *c;
-       struct v4l2_streamparm p = {0};
-       int modes[] = { CI_MODE_NONE,
-                       CI_MODE_VIDEO,
-                       CI_MODE_STILL_CAPTURE,
-                       CI_MODE_CONTINUOUS,
-                       CI_MODE_PREVIEW };
        s32 mode;
 
        if (ctrl->val != ATOMISP_RUN_MODE_VIDEO &&
@@ -840,11 +834,7 @@ static int __atomisp_update_run_mode(struct 
atomisp_sub_device *asd)
        if (c)
                return v4l2_ctrl_s_ctrl(c, mode);
 
-       /* Fall back to obsolete s_parm */
-       p.parm.capture.capturemode = modes[mode];
-
-       return v4l2_subdev_call(
-               isp->inputs[asd->input_curr].camera, video, s_parm, &p);
+       return 0;
 }
 
 int atomisp_update_run_mode(struct atomisp_sub_device *asd)

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