linux-kernel - [PATCH v3 02/19] media: i2c: max9286: Rename reverse_channel

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Message-Id: <20210319164148.199192-3-jacopo+renesas@jmondi.org>
Date:   Fri, 19 Mar 2021 17:41:31 +0100
From:   Jacopo Mondi <jacopo+renesas@...ndi.org>
To:     kieran.bingham+renesas@...asonboard.com,
        laurent.pinchart+renesas@...asonboard.com,
        niklas.soderlund+renesas@...natech.se, geert@...ux-m68k.org
Cc:     Jacopo Mondi <jacopo+renesas@...ndi.org>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        linux-media@...r.kernel.org, linux-renesas-soc@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Laurent Pinchart <laurent.pinchart@...asonboard.com>
Subject: [PATCH v3 02/19] 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.

Reviewed-by: Kieran Bingham <kieran.bingham+renesas@...asonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@...asonboard.com>
Signed-off-by: Jacopo Mondi <jacopo+renesas@...ndi.org>
---
 drivers/media/i2c/max9286.c | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/drivers/media/i2c/max9286.c b/drivers/media/i2c/max9286.c
index 1d9951215868..82ec05e96cb7 100644
--- 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);
 
@@ -971,7 +972,7 @@ 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
@@ -1236,9 +1237,9 @@ 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;
 
-- 
2.30.0