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Message-Id: <20241004-ub9xx-fixes-v1-8-e30a4633c786@ideasonboard.com>
Date: Fri, 04 Oct 2024 17:46:39 +0300
From: Tomi Valkeinen <tomi.valkeinen@...asonboard.com>
To: Mauro Carvalho Chehab <mchehab@...nel.org>,
Sakari Ailus <sakari.ailus@...ux.intel.com>,
Hans Verkuil <hverkuil-cisco@...all.nl>,
Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Cc: linux-media@...r.kernel.org, linux-kernel@...r.kernel.org,
Jai Luthra <jai.luthra@...asonboard.com>,
Tomi Valkeinen <tomi.valkeinen@...asonboard.com>
Subject: [PATCH 08/13] media: i2c: ds90ub953: Clear CRC errors in
ub953_log_status()
Clear the CRC error counter after showing it in ub953_log_status() to
make its behavior match the other counter values.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@...asonboard.com>
---
drivers/media/i2c/ds90ub953.c | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/drivers/media/i2c/ds90ub953.c b/drivers/media/i2c/ds90ub953.c
index 10daecf6f457..b6451811f906 100644
--- a/drivers/media/i2c/ds90ub953.c
+++ b/drivers/media/i2c/ds90ub953.c
@@ -66,6 +66,9 @@
#define UB953_REG_GPIO_INPUT_CTRL_OUT_EN(n) BIT(4 + (n))
#define UB953_REG_GPIO_INPUT_CTRL_INPUT_EN(n) BIT(0 + (n))
+#define UB953_REG_BC_CTRL 0x49
+#define UB953_REG_BC_CTRL_CRC_ERR_CLR BIT(3)
+
#define UB953_REG_REV_MASK_ID 0x50
#define UB953_REG_GENERAL_STATUS 0x52
@@ -619,6 +622,12 @@ static int ub953_log_status(struct v4l2_subdev *sd)
ub953_read(priv, UB953_REG_CRC_ERR_CNT2, &v2);
dev_info(dev, "CRC error count %u\n", v1 | (v2 << 8));
+ /* Clear CRC error counter */
+ if (v1 || v2)
+ regmap_update_bits(priv->regmap, UB953_REG_BC_CTRL,
+ UB953_REG_BC_CTRL_CRC_ERR_CLR,
+ UB953_REG_BC_CTRL_CRC_ERR_CLR);
+
ub953_read(priv, UB953_REG_CSI_ERR_CNT, &v);
dev_info(dev, "CSI error count %u\n", v);
--
2.43.0
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