Commit f85698cd authored by Sakari Ailus's avatar Sakari Ailus Committed by Mauro Carvalho Chehab
Browse files

[media] smiapp: Take mutex during PLL update in sensor initialisation 



The mutex does not serialise anything in this case but avoids a lockdep
warning from the control framework.

Cc: stable@vger.kernel.org
Signed-off-by: default avatarSakari Ailus <sakari.ailus@linux.intel.com>
Acked-by: default avatarLaurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@osg.samsung.com>
parent d6d41ba1

drivers/media/i2c/smiapp/smiapp-core.c

+2 −0
Original line number Diff line number Diff line
@@ -2677,7 +2677,9 @@ static int smiapp_registered(struct v4l2_subdev *subdev) 
		pll->flags |= SMIAPP_PLL_FLAG_NO_OP_CLOCKS;

	pll->scale_n = sensor->limits[SMIAPP_LIMIT_SCALER_N_MIN];



	mutex_lock(&sensor->mutex);

	rval = smiapp_update_mode(sensor);

	mutex_unlock(&sensor->mutex);

	if (rval) {

		dev_err(&client->dev, "update mode failed\n");

		goto out_nvm_release;