Hi Laurent,
Thanks for the patch. Just one more comment.
Laurent Pinchart wrote:
If no parameter needs to be modified, make preview_config() and
preview_setup_hw() return immediately. This speeds up interrupt handling
in the common case.
Signed-off-by: Laurent Pinchart<[email protected]>
Acked-by: Sakari Ailus<[email protected]>
---
drivers/media/video/omap3isp/isppreview.c | 5 +++++
1 files changed, 5 insertions(+), 0 deletions(-)
diff --git a/drivers/media/video/omap3isp/isppreview.c
b/drivers/media/video/omap3isp/isppreview.c
index cf5014f..4e803a3 100644
--- a/drivers/media/video/omap3isp/isppreview.c
+++ b/drivers/media/video/omap3isp/isppreview.c
@@ -890,6 +890,8 @@ static int preview_config(struct isp_prev_device *prev,
int i, bit, rval = 0;
params =&prev->params;
+ if (cfg->update == 0)
+ return 0;
You could do the check right at the beginning of the function, i.e.
before settings params. Tiny issue, but it'd look better that way. :-)
if (prev->state != ISP_PIPELINE_STREAM_STOPPED) {
unsigned long flags;
@@ -944,6 +946,9 @@ static void preview_setup_hw(struct isp_prev_device *prev)
int i, bit;
void *param_ptr;
+ if (prev->update == 0)
+ return;
+
for (i = 0; i< ARRAY_SIZE(update_attrs); i++) {
attr =&update_attrs[i];
--
Sakari Ailus
[email protected]
--
To unsubscribe from this list: send the line "unsubscribe linux-media" in
the body of a message to [email protected]
More majordomo info at http://vger.kernel.org/majordomo-info.html