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media: tc358743: validate lane count

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The TC358743 does not support more than 4 data lanes. Check that the
lane count is valid.

Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
This commit is contained in:
Philipp Zabel 2017-10-17 13:05:11 +02:00 • committed by Mauro Carvalho Chehab
commit 9d39e46bdd
1 changed files with 5 additions and 0 deletions
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5
drivers/media/i2c/tc358743.c
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@ -1941,6 +1941,11 @@ static int tc358743_probe_of(struct tc358743_state *state)
goto free_endpoint;
}
if (endpoint->bus.mipi_csi2.num_data_lanes > 4) {
dev_err(dev, "invalid number of lanes\n");
goto free_endpoint;
}
state->bus = endpoint->bus.mipi_csi2;
ret = clk_prepare_enable(refclk);