Add support for V4L2_CID_LINK_FREQ which currently reports a single
hard-coded frequency which depends on the fixed pixel clock.
This will change in the next patches where the pixel rate will be
computed from the desired link_frequency.
Signed-off-by: Jacopo Mondi <jacopo@xxxxxxxxxx>
---
drivers/media/i2c/ar0521.c | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/drivers/media/i2c/ar0521.c b/drivers/media/i2c/ar0521.c
index 21649aecf442..c5410b091654 100644
--- a/drivers/media/i2c/ar0521.c
+++ b/drivers/media/i2c/ar0521.c
@@ -90,6 +90,10 @@ static const char * const ar0521_supply_names[] = {
"vaa", /* Analog (2.7V) supply */
};
+static const s64 ar0521_link_frequencies[] = {
+ 184000000,
+};
+
struct ar0521_ctrls {
struct v4l2_ctrl_handler handler;
struct v4l2_ctrl *ana_gain;
@@ -104,6 +108,7 @@ struct ar0521_ctrls {
};
struct v4l2_ctrl *pixrate;
struct v4l2_ctrl *exposure;
+ struct v4l2_ctrl *link_freq;
struct v4l2_ctrl *test_pattern;
};
@@ -655,6 +660,10 @@ static int ar0521_init_controls(struct ar0521_dev *sensor)
ctrls->exposure = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_EXPOSURE, 0,
65535, 1, 360);
+ ctrls->link_freq = v4l2_ctrl_new_int_menu(hdl, ops, V4L2_CID_LINK_FREQ,
+ ARRAY_SIZE(ar0521_link_frequencies) - 1,
+ 0, ar0521_link_frequencies);
+
ctrls->test_pattern = v4l2_ctrl_new_std_menu_items(hdl, ops,
V4L2_CID_TEST_PATTERN,
ARRAY_SIZE(test_pattern_menu) - 1,
--
2.37.3
