linux-kernel - [PATCH 05/16] media: vimc: Create multiplanar parameter

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Message-Id: <20190315164359.626-6-andrealmeid@collabora.com>
Date:   Fri, 15 Mar 2019 13:43:48 -0300
From:   André Almeida <andrealmeid@...labora.com>
To:     linux-media@...r.kernel.org
Cc:     mchehab@...nel.org, hverkuil@...all.nl, helen.koike@...labora.com,
        lucmaga@...il.com, linux-kernel@...r.kernel.org,
        kernel@...labora.com
Subject: [PATCH 05/16] media: vimc: Create multiplanar parameter

Create multiplanar kernel module parameter to define if
the driver is running in single planar or in multiplanar mode.

Signed-off-by: André Almeida <andrealmeid@...labora.com>
---
 drivers/media/platform/vimc/vimc-common.h | 2 ++
 drivers/media/platform/vimc/vimc-core.c   | 8 ++++++++
 2 files changed, 10 insertions(+)

diff --git a/drivers/media/platform/vimc/vimc-common.h b/drivers/media/platform/vimc/vimc-common.h
index 7ceb9ea937e2..25e47c8691dd 100644
--- a/drivers/media/platform/vimc/vimc-common.h
+++ b/drivers/media/platform/vimc/vimc-common.h
@@ -26,6 +26,8 @@
 
 #define VIMC_PDEV_NAME "vimc"
 
+extern unsigned int multiplanar;
+
 /* VIMC-specific controls */
 #define VIMC_CID_VIMC_BASE		(0x00f00000 | 0xf000)
 #define VIMC_CID_VIMC_CLASS		(0x00f00000 | 1)
diff --git a/drivers/media/platform/vimc/vimc-core.c b/drivers/media/platform/vimc/vimc-core.c
index 0fbb7914098f..34ca90fa6e79 100644
--- a/drivers/media/platform/vimc/vimc-core.c
+++ b/drivers/media/platform/vimc/vimc-core.c
@@ -26,6 +26,11 @@
 
 #define VIMC_MDEV_MODEL_NAME "VIMC MDEV"
 
+unsigned int multiplanar;
+module_param(multiplanar, uint, 0000);
+MODULE_PARM_DESC(sca_mult, "0 (default) creates a single planar device, 1 creates a multiplanar device.");
+
+
 #define VIMC_ENT_LINK(src, srcpad, sink, sinkpad, link_flags) {	\
 	.src_ent = src,						\
 	.src_pad = srcpad,					\
@@ -388,6 +393,9 @@ static int __init vimc_init(void)
 		return ret;
 	}
 
+	dev_dbg(&vimc_dev.pdev.dev, "vimc: multiplanar mode is %s\n",
+		multiplanar ? "ON" : "OFF");
+
 	return 0;
 }
 
-- 
2.21.0