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[media] rtl2832: wrap DVBv5 BER to DVBv3 

Change legacy DVBv3 read BER to return values calculated by DVBv5
statistics.

Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
This commit is contained in:
Antti Palosaari 2014-12-14 10:10:22 -03:00 committed by Mauro Carvalho Chehab
parent f7caf93fb8
commit 084330b746
2 changed files with 3 additions and 11 deletions
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13
drivers/media/dvb-frontends/rtl2832.c
View File

@ -805,20 +805,11 @@ static int rtl2832_read_snr(struct dvb_frontend *fe, u16 *snr)
static int rtl2832_read_ber(struct dvb_frontend *fe, u32 *ber) static int rtl2832_read_ber(struct dvb_frontend *fe, u32 *ber)
{ {
struct rtl2832_dev *dev = fe->demodulator_priv; struct rtl2832_dev *dev = fe->demodulator_priv;
struct i2c_client *client = dev->client;
int ret;
u8 buf[2];
ret = rtl2832_rd_regs(dev, 0x4e, 3, buf, 2); *ber = (dev->post_bit_error - dev->post_bit_error_prev);
if (ret) dev->post_bit_error_prev = dev->post_bit_error;
goto err;
*ber = buf[0] << 8 | buf[1];
return 0; return 0;
err:
dev_dbg(&client->dev, "failed=%d\n", ret);
return ret;
} }
static void rtl2832_stat_work(struct work_struct *work) static void rtl2832_stat_work(struct work_struct *work)

1
drivers/media/dvb-frontends/rtl2832_priv.h
View File

@ -36,6 +36,7 @@ struct rtl2832_dev {
struct dvb_frontend fe; struct dvb_frontend fe;
struct delayed_work stat_work; struct delayed_work stat_work;
fe_status_t fe_status; fe_status_t fe_status;
u64 post_bit_error_prev; /* for old DVBv3 read_ber() calculation */
u64 post_bit_error; u64 post_bit_error;
u64 post_bit_count; u64 post_bit_count;
bool i2c_gate_state; bool i2c_gate_state;