Skip to content

Commit

Permalink
V4L/DVB (9437): Disable Symbol rate auto scan feature
Browse files Browse the repository at this point in the history
Signed-off-by: Manu Abraham <manu@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
  • Loading branch information
Manu Abraham authored and Mauro Carvalho Chehab committed Dec 29, 2008
1 parent 9efdd29 commit ba8862a
Showing 1 changed file with 7 additions and 7 deletions.
14 changes: 7 additions & 7 deletions drivers/media/dvb/frontends/stb0899_algo.c
Original file line number Diff line number Diff line change
Expand Up @@ -91,28 +91,28 @@ static u32 stb0899_set_srate(struct stb0899_state *state, u32 master_clk, u32 sr
u32 tmp, tmp_up, srate_up;
u8 sfr_up[3], sfr[3];

srate_up = srate;
// srate_up = srate;
dprintk(state->verbose, FE_DEBUG, 1, "-->");
/*
* in order to have the maximum precision, the symbol rate entered into
* the chip is computed as the closest value of the "true value".
* In this purpose, the symbol rate value is rounded (1 is added on the bit
* below the LSB )
*/
srate_up += (srate_up * 3) / 100;
// srate_up += (srate_up * 3) / 100;

tmp = BinaryFloatDiv(srate, master_clk, 20);
tmp_up = BinaryFloatDiv(srate_up, master_clk, 20);
// tmp_up = BinaryFloatDiv(srate_up, master_clk, 20);

sfr_up[0] = (tmp_up >> 12) & 0xff;
sfr_up[1] = (tmp_up >> 4) & 0xff;
sfr_up[2] = tmp_up & 0x0f;
// sfr_up[0] = (tmp_up >> 12) & 0xff;
// sfr_up[1] = (tmp_up >> 4) & 0xff;
// sfr_up[2] = tmp_up & 0x0f;

sfr[0] = (tmp >> 12) & 0xff;
sfr[1] = (tmp >> 4) & 0xff;
sfr[2] = tmp & 0x0f;

stb0899_write_regs(state, STB0899_SFRUPH, sfr_up, 3);
// stb0899_write_regs(state, STB0899_SFRUPH, sfr_up, 3);
stb0899_write_regs(state, STB0899_SFRH, sfr, 3);

return srate;
Expand Down

0 comments on commit ba8862a

Please sign in to comment.