Commit 9b5a4a67 authored by Steven Toth's avatar Steven Toth Committed by Mauro Carvalho Chehab

V4L/DVB (4699): CX24109 patch to eliminate the weird mis-tunings

A number of people have been reporting wierd tuning problems with various
cards. Yeasah tracked down the problem to a miss-read datasheet. This
resolves the problems.
Signed-off-by: default avatarYeasah Pell <yeasah@schwide.net>
Signed-off-by: default avatarSteven Toth <stoth@hauppauge.com>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@infradead.org>
parent d2be8936
...@@ -553,8 +553,8 @@ static int cx24123_pll_calculate(struct dvb_frontend* fe, struct dvb_frontend_pa ...@@ -553,8 +553,8 @@ static int cx24123_pll_calculate(struct dvb_frontend* fe, struct dvb_frontend_pa
ndiv = ( ((p->frequency * vco_div * 10) / (2 * XTAL / 1000)) / 32) & 0x1ff; ndiv = ( ((p->frequency * vco_div * 10) / (2 * XTAL / 1000)) / 32) & 0x1ff;
adiv = ( ((p->frequency * vco_div * 10) / (2 * XTAL / 1000)) % 32) & 0x1f; adiv = ( ((p->frequency * vco_div * 10) / (2 * XTAL / 1000)) % 32) & 0x1f;
if (adiv == 0) if (adiv == 0 && ndiv > 0)
ndiv++; ndiv--;
/* control bits 11, refdiv 11, charge pump polarity 1, charge pump current, ndiv, adiv */ /* 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; state->pllarg = (3 << 19) | (3 << 17) | (1 << 16) | (pump << 14) | (ndiv << 5) | adiv;
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment