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Subject: media: imx335: Use v4l2_link_freq_to_bitmap helper
Author: Umang Jain <umang.j...@ideasonboard.com>
Date: Tue Feb 20 14:58:18 2024 +0530
Use the v4l2_link_freq_to_bitmap() helper to figure out which
driver-supported link frequencies can be used on a given system.
Signed-off-by: Umang Jain <umang.j...@ideasonboard.com>
Signed-off-by: Sakari Ailus <sakari.ai...@linux.intel.com>
Signed-off-by: Hans Verkuil <hverkuil-ci...@xs4all.nl>
drivers/media/i2c/imx335.c | 36 ++++++++++++++++++------------------
1 file changed, 18 insertions(+), 18 deletions(-)
---
diff --git a/drivers/media/i2c/imx335.c b/drivers/media/i2c/imx335.c
index 3d3848a58fa7..e34e34503dda 100644
--- a/drivers/media/i2c/imx335.c
+++ b/drivers/media/i2c/imx335.c
@@ -49,7 +49,7 @@
#define IMX335_INCLK_RATE 24000000
/* CSI2 HW configuration */
-#define IMX335_LINK_FREQ 594000000
+#define IMX335_LINK_FREQ 594000000LL
#define IMX335_NUM_DATA_LANES 4
#define IMX335_REG_MIN 0x00
@@ -134,6 +134,7 @@ struct imx335_mode {
* @vblank: Vertical blanking in lines
* @cur_mode: Pointer to current selected sensor mode
* @mutex: Mutex for serializing sensor controls
+ * @link_freq_bitmap: Menu bitmap for link_freq_ctrl
* @cur_mbus_code: Currently selected media bus format code
*/
struct imx335 {
@@ -157,6 +158,7 @@ struct imx335 {
u32 vblank;
const struct imx335_mode *cur_mode;
struct mutex mutex;
+ unsigned long link_freq_bitmap;
u32 cur_mbus_code;
};
@@ -405,7 +407,8 @@ static int imx335_update_controls(struct imx335 *imx335,
{
int ret;
- ret = __v4l2_ctrl_s_ctrl(imx335->link_freq_ctrl, mode->link_freq_idx);
+ ret = __v4l2_ctrl_s_ctrl(imx335->link_freq_ctrl,
+ __ffs(imx335->link_freq_bitmap));
if (ret)
return ret;
@@ -691,6 +694,13 @@ static int imx335_init_state(struct v4l2_subdev *sd,
fmt.which = sd_state ? V4L2_SUBDEV_FORMAT_TRY :
V4L2_SUBDEV_FORMAT_ACTIVE;
imx335_fill_pad_format(imx335, &supported_mode, &fmt);
+ mutex_lock(&imx335->mutex);
+ __v4l2_ctrl_modify_range(imx335->link_freq_ctrl, 0,
+ __fls(imx335->link_freq_bitmap),
+ ~(imx335->link_freq_bitmap),
+ __ffs(imx335->link_freq_bitmap));
+ mutex_unlock(&imx335->mutex);
+
return imx335_set_pad_format(sd, sd_state, &fmt);
}
@@ -939,19 +949,10 @@ static int imx335_parse_hw_config(struct imx335 *imx335)
goto done_endpoint_free;
}
- if (!bus_cfg.nr_of_link_frequencies) {
- dev_err(imx335->dev, "no link frequencies defined\n");
- ret = -EINVAL;
- goto done_endpoint_free;
- }
-
- for (i = 0; i < bus_cfg.nr_of_link_frequencies; i++)
- if (bus_cfg.link_frequencies[i] == IMX335_LINK_FREQ)
- goto done_endpoint_free;
-
- dev_err(imx335->dev, "no compatible link frequencies found\n");
-
- ret = -EINVAL;
+ ret = v4l2_link_freq_to_bitmap(imx335->dev, bus_cfg.link_frequencies,
+ bus_cfg.nr_of_link_frequencies,
+ link_freq, ARRAY_SIZE(link_freq),
+ &imx335->link_freq_bitmap);
done_endpoint_free:
v4l2_fwnode_endpoint_free(&bus_cfg);
@@ -1099,9 +1100,8 @@ static int imx335_init_controls(struct imx335 *imx335)
imx335->link_freq_ctrl = v4l2_ctrl_new_int_menu(ctrl_hdlr,
&imx335_ctrl_ops,
V4L2_CID_LINK_FREQ,
- ARRAY_SIZE(link_freq) -
- 1,
- mode->link_freq_idx,
+
__fls(imx335->link_freq_bitmap),
+
__ffs(imx335->link_freq_bitmap),
link_freq);
if (imx335->link_freq_ctrl)
imx335->link_freq_ctrl->flags |= V4L2_CTRL_FLAG_READ_ONLY;
