smiapp: Take mutex during PLL update in sensor initialisation
commit f85698cd29
upstream.
The mutex does not serialise anything in this case but avoids a lockdep
warning from the control framework.
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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@ -2624,7 +2624,9 @@ static int smiapp_registered(struct v4l2_subdev *subdev)
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pll->flags |= SMIAPP_PLL_FLAG_OP_PIX_CLOCK_PER_LANE;
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pll->scale_n = sensor->limits[SMIAPP_LIMIT_SCALER_N_MIN];
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mutex_lock(&sensor->mutex);
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rval = smiapp_update_mode(sensor);
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mutex_unlock(&sensor->mutex);
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if (rval) {
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dev_err(&client->dev, "update mode failed\n");
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goto out_nvm_release;
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