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Commit bf8de2d3 authored by Jemma Denson's avatar Jemma Denson Committed by Mauro Carvalho Chehab
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[media] cx24120: Assume ucb registers is a counter 



The ucblocks register is probably a counter and not a rate; assume
it is so and change the calculations as required.

Signed-off-by: default avatarJemma Denson <jdenson@gmail.com>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@osg.samsung.com>
parent 2a80f296

drivers/media/dvb-frontends/cx24120.c

+7 −4
Original line number Diff line number Diff line
@@ -154,7 +154,7 @@ struct cx24120_state { 
	u32 bitrate;

	u32 berw_usecs;

	u32 ber_prev;

	u32 per_prev;

	u32 ucb_offset;

	unsigned long ber_jiffies_stats;

	unsigned long per_jiffies_stats;

};
@@ -698,8 +698,12 @@ static void cx24120_get_stats(struct cx24120_state *state) 
		ucb |= cx24120_readreg(state, CX24120_REG_UCB_L);

		dev_dbg(&state->i2c->dev, "ucblocks = %d\n", ucb);



		/* handle reset */

		if (ucb < state->ucb_offset)

			state->ucb_offset = c->block_error.stat[0].uvalue;



		c->block_error.stat[0].scale = FE_SCALE_COUNTER;

		c->block_error.stat[0].uvalue += ucb;

		c->block_error.stat[0].uvalue = ucb + state->ucb_offset;



		c->block_count.stat[0].scale = FE_SCALE_COUNTER;

		c->block_count.stat[0].uvalue += state->bitrate / 8 / 208;
@@ -1541,8 +1545,7 @@ static int cx24120_read_ucblocks(struct dvb_frontend *fe, u32 *ucblocks) 
		return 0;

	}



	*ucblocks = c->block_error.stat[0].uvalue - state->per_prev;

	state->per_prev = c->block_error.stat[0].uvalue;

	*ucblocks = c->block_error.stat[0].uvalue - state->ucb_offset;



	return 0;

}