V4L/DVB (4192): Use control helpers for saa7115, cx25840, msp3400.

Replace hardcoded control description by the standard ones supplied
by v4l2-common.

Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

1 files changed, 9 insertions, 49 deletions

diff --git a/drivers/media/video/saa7115.c b/drivers/media/video/saa7115.c
index f4843bb45347..b59c11717273 100644
--- a/drivers/media/video/saa7115.c
+++ b/drivers/media/video/saa7115.c
@@ -1090,48 +1090,6 @@ static void saa7115_decode_vbi_line(struct i2c_client *client,
 
 /* ============ SAA7115 AUDIO settings (end) ============= */
 
-static struct v4l2_queryctrl saa7115_qctrl[] = {
-        {
-                .id            = V4L2_CID_BRIGHTNESS,
-                .type          = V4L2_CTRL_TYPE_INTEGER,
-                .name          = "Brightness",
-                .minimum       = 0,
-                .maximum       = 255,
-                .step          = 1,
-                .default_value = 128,
-                .flags         = 0,
-        }, {
-                .id            = V4L2_CID_CONTRAST,
-                .type          = V4L2_CTRL_TYPE_INTEGER,
-                .name          = "Contrast",
-                .minimum       = 0,
-                .maximum       = 127,
-                .step          = 1,
-                .default_value = 64,
-                .flags         = 0,
-        }, {
-                .id            = V4L2_CID_SATURATION,
-                .type          = V4L2_CTRL_TYPE_INTEGER,
-                .name          = "Saturation",
-                .minimum       = 0,
-                .maximum       = 127,
-                .step          = 1,
-                .default_value = 64,
-                .flags         = 0,
-        }, {
-                .id            = V4L2_CID_HUE,
-                .type          = V4L2_CTRL_TYPE_INTEGER,
-                .name          = "Hue",
-                .minimum       = -128,
-                .maximum       = 127,
-                .step          = 1,
-                .default_value = 0,
-                .flags         = 0,
-        },
-};
-
-/* ----------------------------------------------------------------------- */
-
 static int saa7115_command(struct i2c_client *client, unsigned int cmd, void *arg)
 {
         struct saa7115_state *state = i2c_get_clientdata(client);
@@ -1175,14 +1133,16 @@ static int saa7115_command(struct i2c_client *client, unsigned int cmd, void *ar
         case VIDIOC_QUERYCTRL:
         {
                 struct v4l2_queryctrl *qc = arg;
-                int i;
 
-                for (i = 0; i < ARRAY_SIZE(saa7115_qctrl); i++)
-                        if (qc->id && qc->id == saa7115_qctrl[i].id) {
-                                memcpy(qc, &saa7115_qctrl[i], sizeof(*qc));
-                                return 0;
-                        }
-                return -EINVAL;
+                switch (qc->id) {
+                        case V4L2_CID_BRIGHTNESS:
+                        case V4L2_CID_CONTRAST:
+                        case V4L2_CID_SATURATION:
+                        case V4L2_CID_HUE:
+                                return v4l2_ctrl_query_fill_std(qc);
+                        default:
+                                return -EINVAL;
+                }
         }
 
         case VIDIOC_G_STD: