# \[PATCH 5/8\] backlight: ili922x: Add missing kerneldoc description for ili922x\_reg\_dump()'s arg

- From: Lee Jones \<hidden\>
- Date: 2020-06-24 15:05:10 
- List: linux-fbdev
- Page: https://ratatoskr.run/linux-fbdev/2020/06/6013681
- Thread: https://ratatoskr.run/dri-devel/2020/06/6013676/t.md

```text
Kerneldoc syntax is used, but not complete.  Descriptions required.

Prevents warnings like:

 drivers/video/backlight/ili922x.c:298: warning: Function parameter or member 'spi' not described in 'ili922x_reg_dump'

Cc: <redacted>
Cc: Bartlomiej Zolnierkiewicz <redacted>
Cc: Software Engineering <redacted>
Signed-off-by: Lee Jones <redacted>
---
 drivers/video/backlight/ili922x.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/video/backlight/ili922x.c b/drivers/video/backlight/ili922x.c
index cd41433b87aeb..26193f38234e7 100644
--- a/drivers/video/backlight/ili922x.c
+++ b/drivers/video/backlight/ili922x.c
@@ -295,6 +295,8 @@ static int ili922x_write(struct spi_device *spi, u8 reg, u16 value)
 #ifdef DEBUG
 /**
  * ili922x_reg_dump - dump all registers
+ *
+ * @spi: pointer to the controller side proxy for an SPI slave device
  */
 static void ili922x_reg_dump(struct spi_device *spi)
 {
-- 
2.25.1
```