On 11/20/2018 04:27 PM, Akinobu Mita wrote:
> Documentation/timers/timers-howto.txt says:
>
> "msleep(1~20) may not do what the caller intends, and will often sleep
> longer (~20 ms actual sleep for any value given in the 1~20ms range)."
>
> So replace msleep(2) by usleep_range(2000, 3000).
Please just repost patch 6/6 with this change merged in.
Thanks!
Hans
>
> Reported-by: Hans Verkuil
> Cc: Matt Ranostay
> Cc: Sakari Ailus
> Cc: Hans Verkuil
> Cc: Mauro Carvalho Chehab
> Signed-off-by: Akinobu Mita
> ---
> This fixes "[PATCH v4 6/6] media: video-i2c: support runtime PM" in the
> patchset "[PATCH v4 0/6] media: video-i2c: support changing frame interval
> and runtime PM".
>
> drivers/media/i2c/video-i2c.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/media/i2c/video-i2c.c b/drivers/media/i2c/video-i2c.c
> index 0c82131..77080d7 100644
> --- a/drivers/media/i2c/video-i2c.c
> +++ b/drivers/media/i2c/video-i2c.c
> @@ -155,7 +155,7 @@ static int amg88xx_set_power_on(struct video_i2c_data
> *data)
> if (ret)
> return ret;
>
> - msleep(2);
> + usleep_range(2000, 3000);
>
> ret = regmap_write(data->regmap, AMG88XX_REG_RST, AMG88XX_RST_FLAG);
> if (ret)
>