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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
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