The Arducam IMX577 module requires a longer reset time than the 1000µs
configured in the current driver. Increase the wait time after power-on
to ensure proper initialization.
Signed-off-by: Wenmeng Liu <wenmeng.liu@oss.qualcomm.com>
---
drivers/media/i2c/imx412.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/media/i2c/imx412.c b/drivers/media/i2c/imx412.c
index aa63dfc349181bf9c180ffd566b0317d05b410c1..b1c201b4c7d008aa70ac84205e4de119e776047b 100644
--- a/drivers/media/i2c/imx412.c
+++ b/drivers/media/i2c/imx412.c
@@ -1037,7 +1037,7 @@ static int imx412_power_on(struct device *dev)
goto error_reset;
}
- usleep_range(1000, 1200);
+ usleep_range(10000, 12000);
return 0;
--
2.34.1
Hi Wenmeng, On Wed, Jan 21, 2026 at 05:12:15PM +0800, Wenmeng Liu wrote: > The Arducam IMX577 module requires a longer reset time than the 1000µs > configured in the current driver. Increase the wait time after power-on > to ensure proper initialization. > > Signed-off-by: Wenmeng Liu <wenmeng.liu@oss.qualcomm.com> > --- > drivers/media/i2c/imx412.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/media/i2c/imx412.c b/drivers/media/i2c/imx412.c > index aa63dfc349181bf9c180ffd566b0317d05b410c1..b1c201b4c7d008aa70ac84205e4de119e776047b 100644 > --- a/drivers/media/i2c/imx412.c > +++ b/drivers/media/i2c/imx412.c > @@ -1037,7 +1037,7 @@ static int imx412_power_on(struct device *dev) > goto error_reset; > } > Could you please add the comment why this was being done? It's not enough to have this in the commit message. > - usleep_range(1000, 1200); > + usleep_range(10000, 12000); > > return 0; > > -- Regards, Sakari Ailus
Hi Sakari. On 1/21/2026 5:54 PM, Sakari Ailus wrote: > Hi Wenmeng, > > On Wed, Jan 21, 2026 at 05:12:15PM +0800, Wenmeng Liu wrote: >> The Arducam IMX577 module requires a longer reset time than the 1000µs >> configured in the current driver. Increase the wait time after power-on >> to ensure proper initialization. >> >> Signed-off-by: Wenmeng Liu <wenmeng.liu@oss.qualcomm.com> >> --- >> drivers/media/i2c/imx412.c | 2 +- >> 1 file changed, 1 insertion(+), 1 deletion(-) >> >> diff --git a/drivers/media/i2c/imx412.c b/drivers/media/i2c/imx412.c >> index aa63dfc349181bf9c180ffd566b0317d05b410c1..b1c201b4c7d008aa70ac84205e4de119e776047b 100644 >> --- a/drivers/media/i2c/imx412.c >> +++ b/drivers/media/i2c/imx412.c >> @@ -1037,7 +1037,7 @@ static int imx412_power_on(struct device *dev) >> goto error_reset; >> } >> > > Could you please add the comment why this was being done? It's not enough > to have this in the commit message. Sure, will do. Thanks, Wenmeng
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