-stable review patch. If anyone has any objections, please let us know.
------------------
From: Yeasah Pell <[email protected]>
The cx24109 datasheet says: "NOTE: if A=0, then N=N+1"
The current code is the result of a misinterpretation of the datasheet to
mean exactly the opposite of the requirement -- The actual value of N is 1
greater than the value written when A is 0, so 1 needs to be *subtracted*
from it to compensate.
Signed-off-by: Yeasah Pell <[email protected]>
Signed-off-by: Steven Toth <[email protected]>
Signed-off-by: Michael Krufky <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
drivers/media/dvb/frontends/cx24123.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
--- linux-2.6.18.orig/drivers/media/dvb/frontends/cx24123.c
+++ linux-2.6.18/drivers/media/dvb/frontends/cx24123.c
@@ -549,8 +549,8 @@ static int cx24123_pll_calculate(struct
ndiv = ( ((p->frequency * vco_div * 10) / (2 * XTAL / 1000)) / 32) & 0x1ff;
adiv = ( ((p->frequency * vco_div * 10) / (2 * XTAL / 1000)) % 32) & 0x1f;
- if (adiv == 0)
- ndiv++;
+ if (adiv == 0 && ndiv > 0)
+ ndiv--;
/* control bits 11, refdiv 11, charge pump polarity 1, charge pump current, ndiv, adiv */
state->pllarg = (3 << 19) | (3 << 17) | (1 << 16) | (pump << 14) | (ndiv << 5) | adiv;
--
-
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