diff options
| author | Richard Acayan <mailingradian@gmail.com> | 2026-03-11 05:03:28 +0300 |
|---|---|---|
| committer | Hans Verkuil <hverkuil+cisco@kernel.org> | 2026-03-24 13:58:02 +0300 |
| commit | d3ac6212df604f7f33c2f5b2de19dbbf7b5aaad6 (patch) | |
| tree | 6f9385dc68423874070708ff91983f3ffe913d58 | |
| parent | 08f9794d9b799b56b301d7537e8771f0d41f51a1 (diff) | |
| download | linux-d3ac6212df604f7f33c2f5b2de19dbbf7b5aaad6.tar.xz | |
media: i2c: imx355: Restrict data lanes to 4
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 <sakari.ailus@linux.intel.com>
Link: https://lore.kernel.org/r/aW3uFcT1zmiF4GUP@kekkonen.localdomain
Signed-off-by: Richard Acayan <mailingradian@gmail.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hverkuil+cisco@kernel.org>
| -rw-r--r-- | drivers/media/i2c/imx355.c | 6 |
1 files changed, 6 insertions, 0 deletions
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, |