[media] si2168: return error if set_frontend is called with invalid parameters
This patch should is based on Antti's silabs branch. According to dvb-frontend.h set_frontend may be called with bandwidth_hz set to 0 if automatic bandwidth is required. Si2168 does not support automatic bandwidth and does not declare FE_CAN_BANDWIDTH_AUTO in caps. This patch will change the behaviour in a way that EINVAL is returned if bandwidth_hz is 0. Signed-off-by: Olli Salonen <olli.salonen@iki.fi> Reviewed-by: Antti Palosaari <crope@iki.fi> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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@ -180,7 +180,10 @@ static int si2168_set_frontend(struct dvb_frontend *fe)
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goto err;
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}
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if (c->bandwidth_hz <= 5000000)
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if (c->bandwidth_hz == 0) {
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ret = -EINVAL;
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goto err;
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} else if (c->bandwidth_hz <= 5000000)
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bandwidth = 0x05;
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else if (c->bandwidth_hz <= 6000000)
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bandwidth = 0x06;
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