On Tue Mar 10 22:03:28 2026 -0400, Richard Acayan wrote:
> The IMX355 sensor driver currently supports having 4 data lanes. There
> can't be more or less, so check if the firmware specifies 4 lanes.
>
> Suggested-by: Sakari Ailus <[email protected]>
> Link: https://lore.kernel.org/r/[email protected]
> Signed-off-by: Richard Acayan <[email protected]>
> Signed-off-by: Sakari Ailus <[email protected]>
> Signed-off-by: Hans Verkuil <[email protected]>
Patch committed.
Thanks,
Hans Verkuil
drivers/media/i2c/imx355.c | 6 ++++++
1 file changed, 6 insertions(+)
---
diff --git a/drivers/media/i2c/imx355.c b/drivers/media/i2c/imx355.c
index 9ca87488c933..27a5c212a527 100644
--- a/drivers/media/i2c/imx355.c
+++ b/drivers/media/i2c/imx355.c
@@ -66,6 +66,9 @@
#define IMX355_EXT_CLK 19200000
#define IMX355_LINK_FREQ_INDEX 0
+/* number of data lanes */
+#define IMX355_DATA_LANES 4
+
struct imx355_reg {
u16 address;
u8 val;
@@ -1705,6 +1708,9 @@ static struct imx355_hwcfg *imx355_get_hwcfg(struct
device *dev)
if (!cfg)
goto out_err;
+ if (bus_cfg.bus.mipi_csi2.num_data_lanes != IMX355_DATA_LANES)
+ goto out_err;
+
ret = v4l2_link_freq_to_bitmap(dev, bus_cfg.link_frequencies,
bus_cfg.nr_of_link_frequencies,
link_freq_menu_items,
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