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Message-Id: <20240902-imx290-avail-v3-3-b32a12799fed@skidata.com>
Date: Mon, 02 Sep 2024 17:57:28 +0200
From: bbara93@...il.com
To: Mauro Carvalho Chehab <mchehab@...nel.org>, 
 Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>, 
 Sakari Ailus <sakari.ailus@...ux.intel.com>
Cc: Hans de Goede <hdegoede@...hat.com>, 
 Laurent Pinchart <laurent.pinchart@...asonboard.com>, 
 Alexander Stein <alexander.stein@...tq-group.com>, 
 linux-media@...r.kernel.org, linux-kernel@...r.kernel.org, 
 Benjamin Bara <benjamin.bara@...data.com>
Subject: [PATCH v3 3/7] media: i2c: imx290: Remove CHIP_ID reg definition

From: Benjamin Bara <benjamin.bara@...data.com>

This register is not described in the public available imx290 datasheet.
Additionally, a read returns '0x07d0' for an imx327lqr and also for an
imx462, which means it cannot be used to distinguish between those two
imx290 derivatives.

Reviewed-by: Laurent Pinchart <laurent.pinchart@...asonboard.com>
Signed-off-by: Benjamin Bara <benjamin.bara@...data.com>
---
Changes since v2:
- picked up R-b of Laurent (thx!)
---
 drivers/media/i2c/imx290.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/media/i2c/imx290.c b/drivers/media/i2c/imx290.c
index 466492bab600..6812e7cb9e23 100644
--- a/drivers/media/i2c/imx290.c
+++ b/drivers/media/i2c/imx290.c
@@ -80,7 +80,6 @@
 #define IMX290_ADBIT2					CCI_REG8(0x317c)
 #define IMX290_ADBIT2_10BIT				0x12
 #define IMX290_ADBIT2_12BIT				0x00
-#define IMX290_CHIP_ID					CCI_REG16_LE(0x319a)
 #define IMX290_ADBIT3					CCI_REG8(0x31ec)
 #define IMX290_ADBIT3_10BIT				0x37
 #define IMX290_ADBIT3_12BIT				0x0e

-- 
2.46.0


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