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[2/2] media: i2c: ov5640: Remove start/stop sequence

Message ID 1530290560-25806-3-git-send-email-jacopo+renesas@jmondi.org (mailing list archive)
State New, archived
Headers show

Commit Message

Jacopo Mondi June 29, 2018, 4:42 p.m. UTC 
From: Jacopo Mondi <jacopo@jmondi.org>

Now that data and clock lanes start in LP11 no need to issue a start/stop
sequence at power on time to 'coax the lanes in LP11 state'.

Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
---
 drivers/media/i2c/ov5640.c | 14 --------------
 1 file changed, 14 deletions(-)
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Patch

diff --git a/drivers/media/i2c/ov5640.c b/drivers/media/i2c/ov5640.c
index 465acce..96d0203 100644
--- a/drivers/media/i2c/ov5640.c
+++ b/drivers/media/i2c/ov5640.c
@@ -1796,20 +1796,6 @@  static int ov5640_set_power(struct ov5640_dev *sensor, bool on)
 		if (ret)
 			goto power_off;
 
-		if (sensor->ep.bus_type == V4L2_MBUS_CSI2) {
-			/*
-			 * start streaming briefly followed by stream off in
-			 * order to coax the clock lane into LP-11 state.
-			 */
-			ret = ov5640_set_stream_mipi(sensor, true);
-			if (ret)
-				goto power_off;
-			usleep_range(1000, 2000);
-			ret = ov5640_set_stream_mipi(sensor, false);
-			if (ret)
-				goto power_off;
-		}
-
 		return 0;
 	}