[media] vivid: SDR cap: add control for FM deviation
Add user control to adjust generated FM deviation.
Default it to 75kHz like public FM radio broadcast.
Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
diff --git a/drivers/media/platform/vivid/vivid-ctrls.c b/drivers/media/platform/vivid/vivid-ctrls.c
index 339c8b7..29834fa 100644
--- a/drivers/media/platform/vivid/vivid-ctrls.c
+++ b/drivers/media/platform/vivid/vivid-ctrls.c
@@ -99,6 +99,7 @@
#define VIVID_CID_RADIO_TX_RDS_BLOCKIO (VIVID_CID_VIVID_BASE + 94)
+#define VIVID_CID_SDR_CAP_FM_DEVIATION (VIVID_CID_VIVID_BASE + 110)
/* General User Controls */
@@ -1257,6 +1258,36 @@
};
+/* SDR Capture Controls */
+
+static int vivid_sdr_cap_s_ctrl(struct v4l2_ctrl *ctrl)
+{
+ struct vivid_dev *dev = container_of(ctrl->handler, struct vivid_dev, ctrl_hdl_sdr_cap);
+
+ switch (ctrl->id) {
+ case VIVID_CID_SDR_CAP_FM_DEVIATION:
+ dev->sdr_fm_deviation = ctrl->val;
+ break;
+ }
+ return 0;
+}
+
+static const struct v4l2_ctrl_ops vivid_sdr_cap_ctrl_ops = {
+ .s_ctrl = vivid_sdr_cap_s_ctrl,
+};
+
+static const struct v4l2_ctrl_config vivid_ctrl_sdr_cap_fm_deviation = {
+ .ops = &vivid_sdr_cap_ctrl_ops,
+ .id = VIVID_CID_SDR_CAP_FM_DEVIATION,
+ .name = "FM Deviation",
+ .type = V4L2_CTRL_TYPE_INTEGER,
+ .min = 100,
+ .max = 200000,
+ .def = 75000,
+ .step = 1,
+};
+
+
static const struct v4l2_ctrl_config vivid_ctrl_class = {
.ops = &vivid_user_gen_ctrl_ops,
.flags = V4L2_CTRL_FLAG_READ_ONLY | V4L2_CTRL_FLAG_WRITE_ONLY,
@@ -1314,7 +1345,7 @@
v4l2_ctrl_new_custom(hdl_radio_rx, &vivid_ctrl_class, NULL);
v4l2_ctrl_handler_init(hdl_radio_tx, 17);
v4l2_ctrl_new_custom(hdl_radio_tx, &vivid_ctrl_class, NULL);
- v4l2_ctrl_handler_init(hdl_sdr_cap, 18);
+ v4l2_ctrl_handler_init(hdl_sdr_cap, 19);
v4l2_ctrl_new_custom(hdl_sdr_cap, &vivid_ctrl_class, NULL);
/* User Controls */
@@ -1545,6 +1576,10 @@
&vivid_radio_tx_ctrl_ops,
V4L2_CID_RDS_TX_MUSIC_SPEECH, 0, 1, 1, 1);
}
+ if (dev->has_sdr_cap) {
+ v4l2_ctrl_new_custom(hdl_sdr_cap,
+ &vivid_ctrl_sdr_cap_fm_deviation, NULL);
+ }
if (hdl_user_gen->error)
return hdl_user_gen->error;
if (hdl_user_vid->error)
