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Diffstat (limited to 'target/linux/bcm27xx/patches-5.4/950-0745-media-i2c-imx477-Return-correct-result-on-sensor-id-.patch')
-rw-r--r--target/linux/bcm27xx/patches-5.4/950-0745-media-i2c-imx477-Return-correct-result-on-sensor-id-.patch25
1 files changed, 25 insertions, 0 deletions
diff --git a/target/linux/bcm27xx/patches-5.4/950-0745-media-i2c-imx477-Return-correct-result-on-sensor-id-.patch b/target/linux/bcm27xx/patches-5.4/950-0745-media-i2c-imx477-Return-correct-result-on-sensor-id-.patch
new file mode 100644
index 0000000000..4585d2d8dd
--- /dev/null
+++ b/target/linux/bcm27xx/patches-5.4/950-0745-media-i2c-imx477-Return-correct-result-on-sensor-id-.patch
@@ -0,0 +1,25 @@
+From 7048ac9fd3b918d83a71caf5c94bb061a2866794 Mon Sep 17 00:00:00 2001
+From: Naushir Patuck <naush@raspberrypi.com>
+Date: Tue, 19 May 2020 16:56:33 +0100
+Subject: [PATCH] media: i2c: imx477: Return correct result on sensor
+ id verification
+
+The test should return -EIO if the register read id does not match
+the expected sensor id.
+
+Signed-off-by: Naushir Patuck <naush@raspberrypi.com>
+---
+ drivers/media/i2c/imx477.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+--- a/drivers/media/i2c/imx477.c
++++ b/drivers/media/i2c/imx477.c
+@@ -1919,7 +1919,7 @@ static int imx477_identify_module(struct
+ if (val != IMX477_CHIP_ID) {
+ dev_err(&client->dev, "chip id mismatch: %x!=%x\n",
+ IMX477_CHIP_ID, val);
+- ret = -EINVAL;
++ return -EIO;
+ }
+
+ return 0;