Signed-off-by: Javier Martin <javier.martin@xxxxxxxxxxxxxxxxx>
---
drivers/media/i2c/ov7670.c | 8 ++++++++
include/media/ov7670.h | 1 +
2 files changed, 9 insertions(+)
diff --git a/drivers/media/i2c/ov7670.c b/drivers/media/i2c/ov7670.c
index 54fb535..f7e4341 100644
--- a/drivers/media/i2c/ov7670.c
+++ b/drivers/media/i2c/ov7670.c
@@ -211,6 +211,7 @@ struct ov7670_info {
u8 clkrc; /* Clock divider value */
bool use_smbus; /* Use smbus I/O instead of I2C */
bool pll_bypass;
+ bool pclk_hb_disable;
enum ov7670_model model;
};
@@ -1709,6 +1710,9 @@ static int ov7670_probe(struct i2c_client *client,
if (config->pll_bypass && id->driver_data != MODEL_OV7670)
info->pll_bypass = true;
+
+ if (config->pclk_hb_disable)
+ info->pclk_hb_disable = true;
}
/* Make sure it's an ov7670 */
@@ -1735,6 +1739,10 @@ static int ov7670_probe(struct i2c_client *client,
tpf.denominator = 30;
ov7670_set_framerate(sd, &tpf);
}
+
+ if (info->pclk_hb_disable)
+ ov7670_write(sd, REG_COM10, COM10_PCLK_HB);
+
return 0;
}
diff --git a/include/media/ov7670.h b/include/media/ov7670.h
index a68c8bb..1913d51 100644
--- a/include/media/ov7670.h
+++ b/include/media/ov7670.h
@@ -16,6 +16,7 @@ struct ov7670_config {
int clock_speed; /* External clock speed (MHz) */
bool use_smbus; /* Use smbus I/O instead of I2C */
bool pll_bypass; /* Choose whether to bypass the PLL */
+ bool pclk_hb_disable; /* Disable toggling pixclk during horizontal blanking */
};
#endif
--
1.7.9.5
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