diff options
Diffstat (limited to 'bsp/meta-rcar/meta-rcar-gen3-adas/recipes-kernel/linux/linux-renesas/0456-media-i2c-max9286-fix-resetb-handling.patch')
| -rw-r--r-- | bsp/meta-rcar/meta-rcar-gen3-adas/recipes-kernel/linux/linux-renesas/0456-media-i2c-max9286-fix-resetb-handling.patch | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/bsp/meta-rcar/meta-rcar-gen3-adas/recipes-kernel/linux/linux-renesas/0456-media-i2c-max9286-fix-resetb-handling.patch b/bsp/meta-rcar/meta-rcar-gen3-adas/recipes-kernel/linux/linux-renesas/0456-media-i2c-max9286-fix-resetb-handling.patch new file mode 100644 index 00000000..2cffe362 --- /dev/null +++ b/bsp/meta-rcar/meta-rcar-gen3-adas/recipes-kernel/linux/linux-renesas/0456-media-i2c-max9286-fix-resetb-handling.patch @@ -0,0 +1,36 @@ +From f3e07cec62fb10d0c09d4bb96309ebe01a8f3fae Mon Sep 17 00:00:00 2001 +From: Vladimir Barinov <vladimir.barinov@cogentembedded.com> +Date: Thu, 26 Dec 2019 15:26:45 +0300 +Subject: [PATCH] media: i2c: max9286: fix resetb handling + +This fixed the RESETB handling for other then GPIOn=1 pins + +Signed-off-by: Vladimir Barinov <vladimir.barinov@cogentembedded.com> +--- + drivers/media/i2c/soc_camera/max9286.c | 10 ++++++---- + 1 file changed, 6 insertions(+), 4 deletions(-) + +diff --git a/drivers/media/i2c/soc_camera/max9286.c b/drivers/media/i2c/soc_camera/max9286.c +index b185566..f6c6b0a 100644 +--- a/drivers/media/i2c/soc_camera/max9286.c ++++ b/drivers/media/i2c/soc_camera/max9286.c +@@ -232,10 +232,12 @@ static void max9286_sensor_reset(struct i2c_client *client, int addr, int reset_ + if (priv->gpio_resetb < 1 || priv->gpio_resetb > 5) + return; + +- /* sensor reset/unreset */ +- client->addr = addr; /* MAX9271-CAMx I2C */ +- reg8_write(client, 0x0f, (0xfe & ~BIT(priv->gpio_resetb)) | /* set GPIOn value to reset/unreset */ +- ((priv->active_low_resetb ? BIT(priv->gpio_resetb) : 0) ^ reset_on)); ++ if (priv->active_low_resetb) ++ reset_on = !reset_on; ++ ++ /* sensor reset/unreset using serializer gpio */ ++ client->addr = addr; ++ reg8_write(client, 0x0f, (0xfe & ~BIT(priv->gpio_resetb)) | (reset_on ? BIT(priv->gpio_resetb) : 0)); /* set GPIOn value */ + reg8_write(client, 0x0e, 0x42 | BIT(priv->gpio_resetb)); /* set GPIOn direction output */ + } + +-- +2.7.4 + |