linux-kernel - [PATCH 2/6] media: ov7740: get rid of extra ifdefs

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Message-Id: <20181128171918.160643-3-lkundrak@v3.sk>
Date:   Wed, 28 Nov 2018 18:19:14 +0100
From:   Lubomir Rintel <lkundrak@...sk>
To:     "Lad, Prabhakar" <prabhakar.csengg@...il.com>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Rui Miguel Silva <rmfrfs@...il.com>,
        Shunqian Zheng <zhengsq@...k-chips.com>,
        Jonathan Corbet <corbet@....net>,
        Wenyou Yang <wenyou.yang@...rochip.com>
Cc:     Jacopo Mondi <jacopo@...ndi.org>, linux-media@...r.kernel.org,
        linux-kernel@...r.kernel.org, Lubomir Rintel <lkundrak@...sk>
Subject: [PATCH 2/6] media: ov7740: get rid of extra ifdefs

Stubbed v4l2_subdev_get_try_format() will return a correct error when
configured without CONFIG_VIDEO_V4L2_SUBDEV_API.

Signed-off-by: Lubomir Rintel <lkundrak@...sk>
---
 drivers/media/i2c/ov7740.c | 25 ++++++++++---------------
 1 file changed, 10 insertions(+), 15 deletions(-)

diff --git a/drivers/media/i2c/ov7740.c b/drivers/media/i2c/ov7740.c
index 6e9c233cfbe3..781ddcc743d4 100644
--- a/drivers/media/i2c/ov7740.c
+++ b/drivers/media/i2c/ov7740.c
@@ -780,9 +780,7 @@ static int ov7740_set_fmt(struct v4l2_subdev *sd,
 	struct ov7740 *ov7740 = container_of(sd, struct ov7740, subdev);
 	const struct ov7740_pixfmt *ovfmt;
 	const struct ov7740_framesize *fsize;
-#ifdef CONFIG_VIDEO_V4L2_SUBDEV_API
 	struct v4l2_mbus_framefmt *mbus_fmt;
-#endif
 	int ret;
 
 	mutex_lock(&ov7740->mutex);
@@ -795,16 +793,15 @@ static int ov7740_set_fmt(struct v4l2_subdev *sd,
 		ret = ov7740_try_fmt_internal(sd, &format->format, NULL, NULL);
 		if (ret)
 			goto error;
-#ifdef CONFIG_VIDEO_V4L2_SUBDEV_API
 		mbus_fmt = v4l2_subdev_get_try_format(sd, cfg, format->pad);
+		if (IS_ERR(mbus_fmt)) {
+			ret = PTR_ERR(mbus_fmt);
+			goto error;
+		}
 		*mbus_fmt = format->format;
 
 		mutex_unlock(&ov7740->mutex);
 		return 0;
-#else
-		ret = -ENOTTY;
-		goto error;
-#endif
 	}
 
 	ret = ov7740_try_fmt_internal(sd, &format->format, &ovfmt, &fsize);
@@ -827,20 +824,18 @@ static int ov7740_get_fmt(struct v4l2_subdev *sd,
 			  struct v4l2_subdev_format *format)
 {
 	struct ov7740 *ov7740 = container_of(sd, struct ov7740, subdev);
-#ifdef CONFIG_VIDEO_V4L2_SUBDEV_API
 	struct v4l2_mbus_framefmt *mbus_fmt;
-#endif
 	int ret = 0;
 
 	mutex_lock(&ov7740->mutex);
 	if (format->which == V4L2_SUBDEV_FORMAT_TRY) {
-#ifdef CONFIG_VIDEO_V4L2_SUBDEV_API
 		mbus_fmt = v4l2_subdev_get_try_format(sd, cfg, 0);
-		format->format = *mbus_fmt;
-		ret = 0;
-#else
-		ret = -ENOTTY;
-#endif
+		if (IS_ERR(mbus_fmt)) {
+			ret = PTR_ERR(mbus_fmt);
+		} else {
+			format->format = *mbus_fmt;
+			ret = 0;
+		}
 	} else {
 		format->format = ov7740->format;
 	}
-- 
2.19.1