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From 52bfcc9b6bcb30cf81589c483f1344c568be7300 Mon Sep 17 00:00:00 2001
From: Sergio Aguirre <saaguirre@ti.com>
Date: Thu, 15 Jul 2010 17:53:44 -0500
Subject: [PATCH 58/75] mt9t112: Do init_camera every powerup
This is because we want to ensure we always come from a known state.
Probably this could be revisited later for optimization.
Signed-off-by: Sergio Aguirre <saaguirre@ti.com>
---
drivers/media/video/mt9t112.c | 17 ++++++++---------
1 files changed, 8 insertions(+), 9 deletions(-)
diff --git a/drivers/media/video/mt9t112.c b/drivers/media/video/mt9t112.c
index 98a4ea9..eebc2b5 100644
--- a/drivers/media/video/mt9t112.c
+++ b/drivers/media/video/mt9t112.c
@@ -982,6 +982,8 @@ static int mt9t112_v4l2_int_s_power(struct v4l2_int_device *s,
{
struct mt9t112_priv *priv = s->priv;
struct i2c_client *client = priv->client;
+ u16 param = (MT9T112_FLAG_PCLK_RISING_EDGE &
+ priv->info.flags) ? 0x0001 : 0x0000;
int ret;
switch (power) {
@@ -1014,20 +1016,17 @@ static int mt9t112_v4l2_int_s_power(struct v4l2_int_device *s,
return ret;
}
if (!(priv->flags & INIT_DONE)) {
- u16 param = (MT9T112_FLAG_PCLK_RISING_EDGE &
- priv->info.flags) ? 0x0001 : 0x0000;
-
ECHECKER(ret, mt9t112_detect(client));
- ECHECKER(ret, mt9t112_init_camera(client));
-
- /* Invert PCLK (Data sampled on falling edge of pixclk) */
- mt9t112_reg_write(ret, client, 0x3C20, param);
-
- mdelay(5);
priv->flags |= INIT_DONE;
}
+ ECHECKER(ret, mt9t112_init_camera(client));
+
+ /* Invert PCLK (Data sampled on falling edge of pixclk) */
+ mt9t112_reg_write(ret, client, 0x3C20, param);
+
+ mdelay(5);
mt9t112_mcu_write(ret, client, VAR(26, 7),
mt9t112_pixfmt_to_fmt(priv->pix.pixelformat));
mt9t112_mcu_write(ret, client, VAR(26, 9),
--
1.6.6.1
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