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Commit 82cd2dff authored by Matthias Schwarzott's avatar Matthias Schwarzott Committed by Mauro Carvalho Chehab
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V4L/DVB (7572): mt312: Fix diseqc 



Correct the frequency of the emitted diseqc signal to 22kHz.
Adds sleep(100) to wait for message to be transmitted.

For now the only user of mt312 is b2c2-flexcop, and it
does overwrite all diseqc related functions with own code.

Signed-off-by: default avatarMatthias Schwarzott <zzam@gentoo.org>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@infradead.org>
parent 1881ee89

drivers/media/dvb/frontends/mt312.c

+4 −1
Original line number Diff line number Diff line
@@ -270,7 +270,7 @@ static int mt312_initfe(struct dvb_frontend *fe) 
				MT312_SYS_CLK) * 2, 1000000);



	/* DISEQC_RATIO */

	buf[1] = mt312_div(MT312_PLL_CLK, 15000 * 4);

	buf[1] = mt312_div(MT312_PLL_CLK, 22000 * 4);



	ret = mt312_write(state, SYS_CLK, buf, sizeof(buf));

	if (ret < 0)
@@ -323,6 +323,9 @@ static int mt312_send_master_cmd(struct dvb_frontend *fe, 
	if (ret < 0)

		return ret;



	/* is there a better way to wait for message to be transmitted */

	msleep(100);



	/* set DISEQC_MODE[2:0] to zero if a return message is expected */

	if (c->msg[0] & 0x02) {

		ret = mt312_writereg(state, DISEQC_MODE, (diseqc_mode & 0x40));