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

drivers/media/dvb/frontends/cx24123.c

+2 −2
Original line number Original line Diff line number Diff line
@@ -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;