drivers: video: sw_generator: Fix min buffers count

ngphibang · jhedberg · commit 086bdae37e92 · 2025-08-10T22:09:01.000+03:00
The driver needs at least one buffer to be able to start.

Signed-off-by: Phi Bang Nguyen &lt;phibang.nguyen@nxp.com&gt;
diff --git a/drivers/video/video_sw_generator.c b/drivers/video/video_sw_generator.c
@@ -363,7 +363,7 @@ static int video_sw_generator_flush(const struct device *dev, bool cancel)
 static int video_sw_generator_get_caps(const struct device *dev, struct video_caps *caps)
 {
 	caps->format_caps = fmts;
-	caps->min_vbuf_count = 0;
+	caps->min_vbuf_count = 1;
 
 	/* SW generator produces full frames */
 	caps->min_line_count = caps->max_line_count = LINE_COUNT_HEIGHT;

Original file line number	Diff line number	Diff line change
`@@ -363,7 +363,7 @@ static int video_sw_generator_flush(const struct device *dev, bool cancel)`
`363`	`363`	`static int video_sw_generator_get_caps(const struct device dev, struct video_caps caps)`
`364`	`364`	`{`
`365`	`365`	`caps->format_caps = fmts;`
`366`		`- caps->min_vbuf_count = 0;`
	`366`	`+ caps->min_vbuf_count = 1;`
`367`	`367`
`368`	`368`	`/* SW generator produces full frames */`
`369`	`369`	`caps->min_line_count = caps->max_line_count = LINE_COUNT_HEIGHT;`