linux-kernel - [PATCH 4/7] media: atomisp: fix enum

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Date:   Thu,  4 Nov 2021 12:05:53 +0000
From:   Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
To:     unlisted-recipients:; (no To-header on input)
Cc:     linuxarm@...wei.com, mauro.chehab@...wei.com,
        Mauro Carvalho Chehab <mchehab+huawei@...nel.org>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Dan Carpenter <dan.carpenter@...cle.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Kaixu Xia <kaixuxia@...cent.com>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Peter Zijlstra <peterz@...radead.org>,
        Sakari Ailus <sakari.ailus@...ux.intel.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Tsuchiya Yuto <kitakar@...il.com>,
        linux-kernel@...r.kernel.org, linux-media@...r.kernel.org,
        linux-staging@...ts.linux.dev
Subject: [PATCH 4/7] media: atomisp: fix enum_fmt logic

Currently, the enum lists the sensor's native format as a
supported format. However, trying to setup a pipeline using
it doesn't work.

So, exclude such formats from the enum.

Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
---

To mailbombing on a large number of people, only mailing lists were C/C on the cover.
See [PATCH 0/7] at: https://lore.kernel.org/all/cover.1636026959.git.mchehab+huawei@kernel.org/

 drivers/staging/media/atomisp/pci/atomisp_ioctl.c | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/drivers/staging/media/atomisp/pci/atomisp_ioctl.c b/drivers/staging/media/atomisp/pci/atomisp_ioctl.c
index 8df052f6190d..30483a84ed80 100644
--- a/drivers/staging/media/atomisp/pci/atomisp_ioctl.c
+++ b/drivers/staging/media/atomisp/pci/atomisp_ioctl.c
@@ -775,6 +775,7 @@ static int atomisp_enum_fmt_cap(struct file *file, void *fh,
 	struct v4l2_subdev_mbus_code_enum code = {
 		.which = V4L2_SUBDEV_FORMAT_ACTIVE,
 	};
+	const struct atomisp_format_bridge *format;
 	struct v4l2_subdev *camera;
 	unsigned int i, fi = 0;
 	int rval;
@@ -806,15 +807,15 @@ static int atomisp_enum_fmt_cap(struct file *file, void *fh,
 		return rval;
 
 	for (i = 0; i < ARRAY_SIZE(atomisp_output_fmts); i++) {
-		const struct atomisp_format_bridge *format =
-			    &atomisp_output_fmts[i];
+		format = &atomisp_output_fmts[i];
 
 		/*
 		 * Is the atomisp-supported format is valid for the
 		 * sensor (configuration)? If not, skip it.
+		 *
+		 * FIXME: fix the pipeline to allow sensor format too.
 		 */
-		if (format->sh_fmt == IA_CSS_FRAME_FORMAT_RAW
-		    && format->mbus_code != code.code)
+		if (format->sh_fmt == IA_CSS_FRAME_FORMAT_RAW)
 			continue;
 
 		/* Found a match. Now let's pick f->index'th one. */
-- 
2.31.1