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[media] msi3101: init bits 23:20 on PLL register

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It is not sure what is meaning of that number, but it is better
to try do as Windows driver. It seems to have small effect for
signal when looking FM FFT.

Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
This commit is contained in:
Antti Palosaari 2013-08-05 21:33:31 -03:00 committed by Mauro Carvalho Chehab
parent 554cbfbe3b
commit c5a431d02c
1 changed files with 11 additions and 1 deletions
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12
drivers/staging/media/msi3101/sdr-msi3101.c
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@ -1129,9 +1129,19 @@ static int msi3101_set_usb_adc(struct msi3101_state *s)
*
* VCO 202000000 - 720000000++
*/
reg3 = 0x01c00303;
reg3 = 0x01000303;
reg4 = 0x00000004;
/* XXX: Filters? AGC? */
if (f_sr < 6000000)
reg3 |= 0x1 << 20;
else if (f_sr < 7000000)
reg3 |= 0x5 << 20;
else if (f_sr < 8500000)
reg3 |= 0x9 << 20;
else
reg3 |= 0xd << 20;
for (div_r_out = 4; div_r_out < 16; div_r_out += 2) {
f_vco = f_sr * div_r_out * 12;
dev_dbg(&s->udev->dev, "%s: div_r_out=%d f_vco=%d\n",