[PATCH] media: i2c: lt6911uxe: Fix Kconfig dependencies:

From: Arnd Bergmann
Date: Fri Mar 14 2025 - 11:47:50 EST


From: Arnd Bergmann <arnd@xxxxxxxx>

The new driver fails to build if I2C is disabled:

drivers/media/i2c/lt6911uxe.c:703:1: error: data definition has no type or storage class [-Werror]
703 | module_i2c_driver(lt6911uxe_i2c_driver);

or if I2C is on but V4L2_CCI_I2C is not:

ERROR: modpost: "cci_write" [drivers/media/i2c/lt6911uxe.ko] undefined!
ERROR: modpost: "cci_read" [drivers/media/i2c/lt6911uxe.ko] undefined!

For both by adding a dependency on I2C and selecting V4L2_CCI_I2C, which
follows the common practice for these.

Fixes: e49563c3be09 ("media: i2c: add lt6911uxe hdmi bridge driver")
Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
---
drivers/media/i2c/Kconfig | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/media/i2c/Kconfig b/drivers/media/i2c/Kconfig
index e576b213084d..b06365d02ef1 100644
--- a/drivers/media/i2c/Kconfig
+++ b/drivers/media/i2c/Kconfig
@@ -1149,8 +1149,9 @@ config VIDEO_ISL7998X

config VIDEO_LT6911UXE
tristate "Lontium LT6911UXE decoder"
- depends on ACPI && VIDEO_DEV
+ depends on ACPI && VIDEO_DEV && I2C
select V4L2_FWNODE
+ select V4L2_CCI_I2C
help
This is a Video4Linux2 sensor-level driver for the Lontium
LT6911UXE HDMI to MIPI CSI-2 bridge.
--
2.39.5