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Message-ID: <ZfqQPTgqzOw7tATK@kekkonen.localdomain>
Date: Wed, 20 Mar 2024 07:29:01 +0000
From: Sakari Ailus <sakari.ailus@...ux.intel.com>
To: Zhi Mao <zhi.mao@...iatek.com>
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Subject: Re: [PATCH v1 2/2] media: i2c: Add GC05A2 image sensor driver
Hi Zhi,
Thanks for the set.
On Sat, Mar 16, 2024 at 10:52:53AM +0800, Zhi Mao wrote:
> +static int gc05a2_set_ctrl(struct v4l2_ctrl *ctrl)
> +{
> + struct gc05a2 *gc05a2 =
> + container_of(ctrl->handler, struct gc05a2, ctrls);
> + int ret = 0;
> + s64 exposure_max;
> + struct v4l2_subdev_state *state;
> + const struct v4l2_mbus_framefmt *format;
> +
> + state = v4l2_subdev_get_locked_active_state(&gc05a2->sd);
> + format = v4l2_subdev_state_get_format(state, 0);
> +
> + if (ctrl->id == V4L2_CID_VBLANK) {
> + /* Update max exposure while meeting expected vblanking */
> + exposure_max = format->height + ctrl->val - GC05A2_EXP_MARGIN;
> + __v4l2_ctrl_modify_range(gc05a2->exposure,
> + gc05a2->exposure->minimum,
> + exposure_max, gc05a2->exposure->step,
> + exposure_max);
> + }
> +
> + /*
> + * Applying V4L2 control value only happens
> + * when power is on for streaming.
> + */
> + if (!pm_runtime_get_if_in_use(gc05a2->dev))
This should be pm_runtime_get_if_active(). Please assume it takes a single
argument (the device)---see commit
c0ef3df8dbaef51ee4cfd58a471adf2eaee6f6b3.
The same comment applies to the GC08A3 if it uses autosuspend, please post
a new patch for that.
--
Kind regards,
Sakari Ailus
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