Re: [PATCH v4 04/15] media: i2c: ds90ub960: Fix logging SP & EQ status only for UB9702

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Hi,

On 09/12/2024 11:11, Sakari Ailus wrote:
Huomenta,

On Fri, Dec 06, 2024 at 10:26:40AM +0200, Tomi Valkeinen wrote:
UB9702 does not have SP and EQ registers, but the driver uses them in
log_status(). Fix this by separating the SP and EQ related log_status()
work into a separate function (for clarity) and calling that function
only for UB960.

Cc: stable@xxxxxxxxxxxxxxx
Fixes: afe267f2d368 ("media: i2c: add DS90UB960 driver")
Reviewed-by: Jai Luthra <jai.luthra@xxxxxxxxxxxxxxxx>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@xxxxxxxxxxxxxxxx>
---
  drivers/media/i2c/ds90ub960.c | 90 ++++++++++++++++++++++++-------------------
  1 file changed, 50 insertions(+), 40 deletions(-)

diff --git a/drivers/media/i2c/ds90ub960.c b/drivers/media/i2c/ds90ub960.c
index 24198b803eff..94c8acf171b4 100644
--- a/drivers/media/i2c/ds90ub960.c
+++ b/drivers/media/i2c/ds90ub960.c
@@ -2950,6 +2950,54 @@ static const struct v4l2_subdev_pad_ops ub960_pad_ops = {
  	.set_fmt = ub960_set_fmt,
  };
+static void ub960_log_status_ub960_sp_eq(struct ub960_data *priv,
+					 unsigned int nport)
+{
+	struct device *dev = &priv->client->dev;
+	u8 eq_level;
+	s8 strobe_pos;
+	u8 v = 0;
+
+	/* Strobe */
+
+	ub960_read(priv, UB960_XR_AEQ_CTL1, &v);

How about adding __must_check to the ub960_read()?

Yes, that's a good idea.

We also have a patch in works that'll add error handling to all the i2c reads and writes (and some other ub960 improvements), on top of this series.

 Tomi





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