X-Git-Url: http://git.openwrt.org/?p=openwrt%2Fopenwrt.git;a=blobdiff_plain;f=target%2Flinux%2Fbrcm2708%2Fpatches-4.19%2F950-0167-media-ov5647-Add-support-for-PWDN-GPIO.patch;fp=target%2Flinux%2Fbrcm2708%2Fpatches-4.19%2F950-0167-media-ov5647-Add-support-for-PWDN-GPIO.patch;h=0000000000000000000000000000000000000000;hp=80a5d900d688bcc95df4a706c6297864150d4c47;hb=7d7aa2fd924c27829ec25f825481554dd81bce97;hpb=e7bfda2c243e66a75ff966ba04c28b1590b5d24c

diff --git a/target/linux/brcm2708/patches-4.19/950-0167-media-ov5647-Add-support-for-PWDN-GPIO.patch b/target/linux/brcm2708/patches-4.19/950-0167-media-ov5647-Add-support-for-PWDN-GPIO.patch
deleted file mode 100644
index 80a5d900d6..0000000000
--- a/target/linux/brcm2708/patches-4.19/950-0167-media-ov5647-Add-support-for-PWDN-GPIO.patch
+++ /dev/null
@@ -1,92 +0,0 @@
-From f41fdda9ca98e675d7467cc352c678bbcdca2df1 Mon Sep 17 00:00:00 2001
-From: Dave Stevenson <dave.stevenson@raspberrypi.org>
-Date: Wed, 31 Oct 2018 14:56:33 +0000
-Subject: [PATCH] media: ov5647: Add support for PWDN GPIO.
-
-Add support for an optional GPIO connected to PWDN on the sensor.
-
-Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.org>
----
- drivers/media/i2c/ov5647.c | 28 ++++++++++++++++++++++++++++
- 1 file changed, 28 insertions(+)
-
---- a/drivers/media/i2c/ov5647.c
-+++ b/drivers/media/i2c/ov5647.c
-@@ -21,6 +21,7 @@
- 
- #include <linux/clk.h>
- #include <linux/delay.h>
-+#include <linux/gpio/consumer.h>
- #include <linux/i2c.h>
- #include <linux/init.h>
- #include <linux/io.h>
-@@ -35,6 +36,13 @@
- 
- #define SENSOR_NAME "ov5647"
- 
-+/*
-+ * From the datasheet, "20ms after PWDN goes low or 20ms after RESETB goes
-+ * high if reset is inserted after PWDN goes high, host can access sensor's
-+ * SCCB to initialize sensor."
-+ */
-+#define PWDN_ACTIVE_DELAY_MS	20
-+
- #define MIPI_CTRL00_CLOCK_LANE_GATE		BIT(5)
- #define MIPI_CTRL00_BUS_IDLE			BIT(2)
- #define MIPI_CTRL00_CLOCK_LANE_DISABLE		BIT(0)
-@@ -86,6 +94,7 @@ struct ov5647 {
- 	unsigned int			height;
- 	int				power_count;
- 	struct clk			*xclk;
-+	struct gpio_desc		*pwdn;
- };
- 
- static inline struct ov5647 *to_state(struct v4l2_subdev *sd)
-@@ -355,6 +364,11 @@ static int ov5647_sensor_power(struct v4
- 	if (on && !ov5647->power_count)	{
- 		dev_dbg(&client->dev, "OV5647 power on\n");
- 
-+		if (ov5647->pwdn) {
-+			gpiod_set_value(ov5647->pwdn, 0);
-+			msleep(PWDN_ACTIVE_DELAY_MS);
-+		}
-+
- 		ret = clk_prepare_enable(ov5647->xclk);
- 		if (ret < 0) {
- 			dev_err(&client->dev, "clk prepare enable failed\n");
-@@ -392,6 +406,8 @@ static int ov5647_sensor_power(struct v4
- 			dev_dbg(&client->dev, "soft stby failed\n");
- 
- 		clk_disable_unprepare(ov5647->xclk);
-+
-+		gpiod_set_value(ov5647->pwdn, 1);
- 	}
- 
- 	/* Update the power count. */
-@@ -604,6 +620,10 @@ static int ov5647_probe(struct i2c_clien
- 		return -EINVAL;
- 	}
- 
-+	/* Request the power down GPIO asserted */
-+	sensor->pwdn = devm_gpiod_get_optional(&client->dev, "pwdn",
-+					       GPIOD_OUT_HIGH);
-+
- 	mutex_init(&sensor->lock);
- 
- 	sd = &sensor->sd;
-@@ -617,7 +637,15 @@ static int ov5647_probe(struct i2c_clien
- 	if (ret < 0)
- 		goto mutex_remove;
- 
-+	if (sensor->pwdn) {
-+		gpiod_set_value(sensor->pwdn, 0);
-+		msleep(PWDN_ACTIVE_DELAY_MS);
-+	}
-+
- 	ret = ov5647_detect(sd);
-+
-+	gpiod_set_value(sensor->pwdn, 1);
-+
- 	if (ret < 0)
- 		goto error;
-