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From: Akinobu Mita <akinobu.mita@gmail.com>
To: linux-media@vger.kernel.org, devicetree@vger.kernel.org
Cc: Akinobu Mita <akinobu.mita@gmail.com>,
	Jacopo Mondi <jacopo+renesas@jmondi.org>,
	Laurent Pinchart <laurent.pinchart@ideasonboard.com>,
	Hans Verkuil <hans.verkuil@cisco.com>,
	Sakari Ailus <sakari.ailus@linux.intel.com>,
	Mauro Carvalho Chehab <mchehab@s-opensource.com>
Subject: [PATCH v5 02/14] media: ov772x: correct setting of banding filter
Date: Sun,  6 May 2018 23:19:17 +0900	[thread overview]
Message-ID: <1525616369-8843-3-git-send-email-akinobu.mita@gmail.com> (raw)
In-Reply-To: <1525616369-8843-1-git-send-email-akinobu.mita@gmail.com>

The banding filter ON/OFF is controlled via bit 5 of COM8 register.  It
is attempted to be enabled in ov772x_set_params() by the following line.

	ret = ov772x_mask_set(client, COM8, BNDF_ON_OFF, 1);

But this unexpectedly results disabling the banding filter, because the
mask and set bits are exclusive.

On the other hand, ov772x_s_ctrl() correctly sets the bit by:

	ret = ov772x_mask_set(client, COM8, BNDF_ON_OFF, BNDF_ON_OFF);

Cc: Jacopo Mondi <jacopo+renesas@jmondi.org>
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: Hans Verkuil <hans.verkuil@cisco.com>
Cc: Sakari Ailus <sakari.ailus@linux.intel.com>
Cc: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Acked-by: Jacopo Mondi <jacopo+renesas@jmondi.org>
Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
---
* v5
- Add Acked-by: line

 drivers/media/i2c/ov772x.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/media/i2c/ov772x.c b/drivers/media/i2c/ov772x.c
index b62860c..e255070 100644
--- a/drivers/media/i2c/ov772x.c
+++ b/drivers/media/i2c/ov772x.c
@@ -1035,7 +1035,7 @@ static int ov772x_set_params(struct ov772x_priv *priv,
 
 	/* Set COM8. */
 	if (priv->band_filter) {
-		ret = ov772x_mask_set(client, COM8, BNDF_ON_OFF, 1);
+		ret = ov772x_mask_set(client, COM8, BNDF_ON_OFF, BNDF_ON_OFF);
 		if (!ret)
 			ret = ov772x_mask_set(client, BDBASE,
 					      0xff, 256 - priv->band_filter);
-- 
2.7.4


  parent reply	other threads:[~2018-05-06 14:19 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-05-06 14:19 [PATCH v5 00/14] media: ov772x: support media controller, device tree probing, etc Akinobu Mita
2018-05-06 14:19 ` [PATCH v5 01/14] media: dt-bindings: ov772x: add device tree binding Akinobu Mita
2018-05-06 14:19 ` Akinobu Mita [this message]
2018-05-06 14:19 ` [PATCH v5 03/14] media: ov772x: allow i2c controllers without I2C_FUNC_PROTOCOL_MANGLING Akinobu Mita
2018-05-29 12:59   ` Mauro Carvalho Chehab
2018-05-29 13:29     ` Wolfram Sang
2018-05-29 14:32       ` Mauro Carvalho Chehab
2018-05-06 14:19 ` [PATCH v5 04/14] media: ov772x: add checks for register read errors Akinobu Mita
2018-05-06 14:19 ` [PATCH v5 05/14] media: ov772x: add media controller support Akinobu Mita
2018-05-06 14:19 ` [PATCH v5 06/14] media: ov772x: use generic names for reset and powerdown gpios Akinobu Mita
2018-05-06 14:19 ` [PATCH v5 07/14] media: ov772x: omit consumer ID when getting clock reference Akinobu Mita
2018-05-06 14:19 ` [PATCH v5 08/14] media: ov772x: support device tree probing Akinobu Mita
2018-05-07  9:26   ` Sakari Ailus
2018-05-07 14:52     ` Akinobu Mita
2018-05-14  9:16     ` jacopo mondi
2018-05-14 11:21       ` Sakari Ailus
2018-05-06 14:19 ` [PATCH v5 09/14] media: ov772x: handle nested s_power() calls Akinobu Mita
2018-05-06 14:19 ` [PATCH v5 10/14] media: ov772x: reconstruct s_frame_interval() Akinobu Mita
2018-05-14  9:02   ` jacopo mondi
2018-05-06 14:19 ` [PATCH v5 11/14] media: ov772x: use v4l2_ctrl to get current control value Akinobu Mita
2018-05-06 14:19 ` [PATCH v5 12/14] media: ov772x: avoid accessing registers under power saving mode Akinobu Mita
2018-05-14  9:06   ` jacopo mondi
2018-05-14  9:49     ` Sakari Ailus
2018-05-14 10:03       ` jacopo mondi
2018-05-06 14:19 ` [PATCH v5 13/14] media: ov772x: make set_fmt() and s_frame_interval() return -EBUSY while streaming Akinobu Mita
2018-05-14  9:10   ` jacopo mondi
2018-05-06 14:19 ` [PATCH v5 14/14] media: ov772x: create subdevice device node Akinobu Mita
2018-05-14  9:11   ` jacopo mondi

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