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[media] rtl2832: implement .read_ber()

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Implementation taken from rtl2830.

Cc: Thomas Mair <thomas.mair86@googlemail.com>
Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Antti Palosaari 2012-08-21 19:56:22 -03:00 committed by Mauro Carvalho Chehab
parent 73983497ff
commit db32d74a0e
1 changed files with 19 additions and 0 deletions
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19
drivers/media/dvb-frontends/rtl2832.c
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@ -824,6 +824,24 @@ err:
return ret;
}
static int rtl2832_read_ber(struct dvb_frontend *fe, u32 *ber)
{
struct rtl2832_priv *priv = fe->demodulator_priv;
int ret;
u8 buf[2];
ret = rtl2832_rd_regs(priv, 0x4e, 3, buf, 2);
if (ret)
goto err;
*ber = buf[0] << 8 | buf[1];
return 0;
err:
dbg("%s: failed=%d", __func__, ret);
return ret;
}
static struct dvb_frontend_ops rtl2832_ops;
static void rtl2832_release(struct dvb_frontend *fe)
@ -909,6 +927,7 @@ static struct dvb_frontend_ops rtl2832_ops = {
.read_status = rtl2832_read_status,
.read_snr = rtl2832_read_snr,
.read_ber = rtl2832_read_ber,
.i2c_gate_ctrl = rtl2832_i2c_gate_ctrl,
};