media: i2c: max9286: Rename reverse_channel_mv

Rename the reverse_channel_mv variable to init_rev_chan_mv as
the next patch will cache the reverse channel amplitude in
a new driver variable.

Signed-off-by: Jacopo Mondi <jacopo+renesas@jmondi.org>
Reviewed-by: Kieran Bingham <kieran.bingham+renesas@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>

diff --git a/drivers/media/i2c/max9286.c b/drivers/media/i2c/max9286.c
index e3c2391..22021e9 100644 (file)
--- a/drivers/media/i2c/max9286.c
+++ b/drivers/media/i2c/max9286.c
@@ -163,7 +163,8 @@ struct max9286_priv {
        unsigned int mux_channel;
        bool mux_open;
 
-       u32 reverse_channel_mv;
+       /* The initial reverse control channel amplitude. */
+       u32 init_rev_chan_mv;
 
        struct v4l2_ctrl_handler ctrls;
        struct v4l2_ctrl *pixelrate;
@@ -563,7 +564,7 @@ static int max9286_notify_bound(struct v4l2_async_notifier *notifier,
         * - Disable auto-ack as communication on the control channel are now
         *   stable.
         */
-       if (priv->reverse_channel_mv < 170)
+       if (priv->init_rev_chan_mv < 170)
                max9286_reverse_channel_setup(priv, 170);
        max9286_check_config_link(priv, priv->source_mask);
 
@@ -972,7 +973,7 @@ static int max9286_setup(struct max9286_priv *priv)
         * only. This should be disabled after the mux is initialised.
         */
        max9286_configure_i2c(priv, true);
-       max9286_reverse_channel_setup(priv, priv->reverse_channel_mv);
+       max9286_reverse_channel_setup(priv, priv->init_rev_chan_mv);
 
        /*
         * Enable GMSL links, mask unused ones and autodetect link
@@ -1237,9 +1238,9 @@ static int max9286_parse_dt(struct max9286_priv *priv)
        if (of_property_read_u32(dev->of_node,
                                 "maxim,reverse-channel-microvolt",
                                 &reverse_channel_microvolt))
-               priv->reverse_channel_mv = 170;
+               priv->init_rev_chan_mv = 170;
        else
-               priv->reverse_channel_mv = reverse_channel_microvolt / 1000U;
+               priv->init_rev_chan_mv = reverse_channel_microvolt / 1000U;
 
        priv->route_mask = priv->source_mask;