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authorMax Krummenacher <max.krummenacher@toradex.com>2015-10-29 10:32:24 +0100
committerMax Krummenacher <max.krummenacher@toradex.com>2015-10-29 15:38:13 +0100
commit9d8ea30220e701af71e887f5facec15ec94afc26 (patch)
treedde88899f7d54220765d62bbb5fd758f03d2fa43 /drivers
parentf1afe54f0897c5f80fa4ac256a30445f8da94bab (diff)
mxc_v4l2_capture.c: make error messages unique
"ERROR: v4l2 capture: slave not found!" is used for many ioctl. Add the ioctl to the string to ease debugging.
Diffstat (limited to 'drivers')
-rw-r--r--drivers/media/platform/mxc/capture/mxc_v4l2_capture.c51
1 files changed, 29 insertions, 22 deletions
diff --git a/drivers/media/platform/mxc/capture/mxc_v4l2_capture.c b/drivers/media/platform/mxc/capture/mxc_v4l2_capture.c
index 57b16d06fd4d..7241091682c0 100644
--- a/drivers/media/platform/mxc/capture/mxc_v4l2_capture.c
+++ b/drivers/media/platform/mxc/capture/mxc_v4l2_capture.c
@@ -48,6 +48,13 @@
#include "mxc_v4l2_capture.h"
#include "ipu_prp_sw.h"
+#if 0
+#undef dev_dbg
+#define dev_dbg(dev, format, arg...) {dev_printk(KERN_ERR, dev, format, ##arg);}
+#undef pr_debug
+#define pr_debug(fmt, ...) printk(KERN_ERR pr_fmt(fmt), ##__VA_ARGS__)
+#endif
+
#define init_MUTEX(sem) sema_init(sem, 1)
static struct platform_device_id imx_v4l2_devtype[] = {
@@ -1008,7 +1015,7 @@ static int mxc_v4l2_g_ctrl(cam_data *cam, struct v4l2_control *c)
status = vidioc_int_g_ctrl(cam->sensor, c);
cam->bright = c->value;
} else {
- pr_err("ERROR: v4l2 capture: slave not found!\n");
+ pr_err("ERROR: v4l2 capture: slave not found! V4L2_CID_BRIGHTNESS\n");
status = -ENODEV;
}
break;
@@ -1018,7 +1025,7 @@ static int mxc_v4l2_g_ctrl(cam_data *cam, struct v4l2_control *c)
status = vidioc_int_g_ctrl(cam->sensor, c);
cam->hue = c->value;
} else {
- pr_err("ERROR: v4l2 capture: slave not found!\n");
+ pr_err("ERROR: v4l2 capture: slave not found! V4L2_CID_HUE\n");
status = -ENODEV;
}
break;
@@ -1028,7 +1035,7 @@ static int mxc_v4l2_g_ctrl(cam_data *cam, struct v4l2_control *c)
status = vidioc_int_g_ctrl(cam->sensor, c);
cam->contrast = c->value;
} else {
- pr_err("ERROR: v4l2 capture: slave not found!\n");
+ pr_err("ERROR: v4l2 capture: slave not found! V4L2_CID_CONTRAST\n");
status = -ENODEV;
}
break;
@@ -1038,7 +1045,7 @@ static int mxc_v4l2_g_ctrl(cam_data *cam, struct v4l2_control *c)
status = vidioc_int_g_ctrl(cam->sensor, c);
cam->saturation = c->value;
} else {
- pr_err("ERROR: v4l2 capture: slave not found!\n");
+ pr_err("ERROR: v4l2 capture: slave not found! V4L2_CID_SATURATION\n");
status = -ENODEV;
}
break;
@@ -1048,7 +1055,7 @@ static int mxc_v4l2_g_ctrl(cam_data *cam, struct v4l2_control *c)
status = vidioc_int_g_ctrl(cam->sensor, c);
cam->red = c->value;
} else {
- pr_err("ERROR: v4l2 capture: slave not found!\n");
+ pr_err("ERROR: v4l2 capture: slave not found! V4L2_CID_RED_BALANCE\n");
status = -ENODEV;
}
break;
@@ -1058,7 +1065,7 @@ static int mxc_v4l2_g_ctrl(cam_data *cam, struct v4l2_control *c)
status = vidioc_int_g_ctrl(cam->sensor, c);
cam->blue = c->value;
} else {
- pr_err("ERROR: v4l2 capture: slave not found!\n");
+ pr_err("ERROR: v4l2 capture: slave not found! V4L2_CID_BLUE_BALANCE\n");
status = -ENODEV;
}
break;
@@ -1068,7 +1075,7 @@ static int mxc_v4l2_g_ctrl(cam_data *cam, struct v4l2_control *c)
status = vidioc_int_g_ctrl(cam->sensor, c);
cam->ae_mode = c->value;
} else {
- pr_err("ERROR: v4l2 capture: slave not found!\n");
+ pr_err("ERROR: v4l2 capture: slave not found! V4L2_CID_BLACK_LEVEL\n");
status = -ENODEV;
}
break;
@@ -1178,7 +1185,7 @@ static int mxc_v4l2_s_ctrl(cam_data *cam, struct v4l2_control *c)
cam->hue = c->value;
ret = vidioc_int_s_ctrl(cam->sensor, c);
} else {
- pr_err("ERROR: v4l2 capture: slave not found!\n");
+ pr_err("ERROR: v4l2 capture: slave not found! V4L2_CID_HUE\n");
ret = -ENODEV;
}
break;
@@ -1187,7 +1194,7 @@ static int mxc_v4l2_s_ctrl(cam_data *cam, struct v4l2_control *c)
cam->contrast = c->value;
ret = vidioc_int_s_ctrl(cam->sensor, c);
} else {
- pr_err("ERROR: v4l2 capture: slave not found!\n");
+ pr_err("ERROR: v4l2 capture: slave not found! V4L2_CID_CONTRAST\n");
ret = -ENODEV;
}
break;
@@ -1196,7 +1203,7 @@ static int mxc_v4l2_s_ctrl(cam_data *cam, struct v4l2_control *c)
cam->bright = c->value;
ret = vidioc_int_s_ctrl(cam->sensor, c);
} else {
- pr_err("ERROR: v4l2 capture: slave not found!\n");
+ pr_err("ERROR: v4l2 capture: slave not found! V4L2_CID_BRIGHTNESS\n");
ret = -ENODEV;
}
break;
@@ -1205,7 +1212,7 @@ static int mxc_v4l2_s_ctrl(cam_data *cam, struct v4l2_control *c)
cam->saturation = c->value;
ret = vidioc_int_s_ctrl(cam->sensor, c);
} else {
- pr_err("ERROR: v4l2 capture: slave not found!\n");
+ pr_err("ERROR: v4l2 capture: slave not found! V4L2_CID_SATURATION\n");
ret = -ENODEV;
}
break;
@@ -1214,7 +1221,7 @@ static int mxc_v4l2_s_ctrl(cam_data *cam, struct v4l2_control *c)
cam->red = c->value;
ret = vidioc_int_s_ctrl(cam->sensor, c);
} else {
- pr_err("ERROR: v4l2 capture: slave not found!\n");
+ pr_err("ERROR: v4l2 capture: slave not found! V4L2_CID_RED_BALANCE\n");
ret = -ENODEV;
}
break;
@@ -1223,7 +1230,7 @@ static int mxc_v4l2_s_ctrl(cam_data *cam, struct v4l2_control *c)
cam->blue = c->value;
ret = vidioc_int_s_ctrl(cam->sensor, c);
} else {
- pr_err("ERROR: v4l2 capture: slave not found!\n");
+ pr_err("ERROR: v4l2 capture: slave not found! V4L2_CID_BLUE_BALANCE\n");
ret = -ENODEV;
}
break;
@@ -1232,7 +1239,7 @@ static int mxc_v4l2_s_ctrl(cam_data *cam, struct v4l2_control *c)
cam->ae_mode = c->value;
ret = vidioc_int_s_ctrl(cam->sensor, c);
} else {
- pr_err("ERROR: v4l2 capture: slave not found!\n");
+ pr_err("ERROR: v4l2 capture: slave not found! V4L2_CID_EXPOSURE\n");
ret = -ENODEV;
}
break;
@@ -1633,7 +1640,7 @@ static int mxc_v4l_open(struct file *file)
if (cam->sensor == NULL ||
cam->sensor->type != v4l2_int_type_slave) {
- pr_err("ERROR: v4l2 capture: slave not found!\n");
+ pr_err("ERROR: v4l2 capture: slave not found! V4L2_CID_HUE\n");
return -EAGAIN;
}
@@ -2305,7 +2312,7 @@ static long mxc_v4l_do_ioctl(struct file *file,
if (cam->sensor)
retval = vidioc_int_g_parm(cam->sensor, parm);
else {
- pr_err("ERROR: v4l2 capture: slave not found!\n");
+ pr_err("ERROR: v4l2 capture: slave not found! VIDIOC_G_PARM\n");
retval = -ENODEV;
}
break;
@@ -2317,7 +2324,7 @@ static long mxc_v4l_do_ioctl(struct file *file,
if (cam->sensor)
retval = mxc_v4l2_s_param(cam, parm);
else {
- pr_err("ERROR: v4l2 capture: slave not found!\n");
+ pr_err("ERROR: v4l2 capture: slave not found! VIDIOC_S_PARM\n");
retval = -ENODEV;
}
break;
@@ -2341,7 +2348,7 @@ static long mxc_v4l_do_ioctl(struct file *file,
if (cam->sensor)
retval = mxc_v4l2_g_std(cam, e);
else {
- pr_err("ERROR: v4l2 capture: slave not found!\n");
+ pr_err("ERROR: v4l2 capture: slave not found! VIDIOC_G_STD\n");
retval = -ENODEV;
}
break;
@@ -2446,7 +2453,7 @@ static long mxc_v4l_do_ioctl(struct file *file,
if (cam->sensor)
retval = vidioc_int_enum_fmt_cap(cam->sensor, f);
else {
- pr_err("ERROR: v4l2 capture: slave not found!\n");
+ pr_err("ERROR: v4l2 capture: slave not found! VIDIOC_ENUM_FMT\n");
retval = -ENODEV;
}
break;
@@ -2456,7 +2463,7 @@ static long mxc_v4l_do_ioctl(struct file *file,
if (cam->sensor)
retval = vidioc_int_enum_framesizes(cam->sensor, fsize);
else {
- pr_err("ERROR: v4l2 capture: slave not found!\n");
+ pr_err("ERROR: v4l2 capture: slave not found! VIDIOC_ENUM_FRAMESIZES\n");
retval = -ENODEV;
}
break;
@@ -2467,7 +2474,7 @@ static long mxc_v4l_do_ioctl(struct file *file,
retval = vidioc_int_enum_frameintervals(cam->sensor,
fival);
} else {
- pr_err("ERROR: v4l2 capture: slave not found!\n");
+ pr_err("ERROR: v4l2 capture: slave not found! VIDIOC_ENUM_FRAMEINTERVALS\n");
retval = -ENODEV;
}
break;
@@ -2479,7 +2486,7 @@ static long mxc_v4l_do_ioctl(struct file *file,
if (cam->sensor)
retval = vidioc_int_g_chip_ident(cam->sensor, (int *)p);
else {
- pr_err("ERROR: v4l2 capture: slave not found!\n");
+ pr_err("ERROR: v4l2 capture: slave not found! VIDIOC_DBG_G_CHIP_IDENT\n");
retval = -ENODEV;
}
break;