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V4L/DVB (7572): mt312: Fix diseqc

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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: Matthias Schwarzott <zzam@gentoo.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
This commit is contained in:
Matthias Schwarzott 2008-04-12 15:04:47 -03:00 committed by Mauro Carvalho Chehab
parent 1881ee89e0
commit 82cd2dff4a
1 changed files with 4 additions and 1 deletions
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5
drivers/media/dvb/frontends/mt312.c
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@ -270,7 +270,7 @@ static int mt312_initfe(struct dvb_frontend *fe)
MT312_SYS_CLK) * 2, 1000000); MT312_SYS_CLK) * 2, 1000000);
/* DISEQC_RATIO */ /* 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)); ret = mt312_write(state, SYS_CLK, buf, sizeof(buf));
if (ret < 0) if (ret < 0)
@ -323,6 +323,9 @@ static int mt312_send_master_cmd(struct dvb_frontend *fe,
if (ret < 0) if (ret < 0)
return ret; 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 */ /* set DISEQC_MODE[2:0] to zero if a return message is expected */
if (c->msg[0] & 0x02) { if (c->msg[0] & 0x02) {
ret = mt312_writereg(state, DISEQC_MODE, (diseqc_mode & 0x40)); ret = mt312_writereg(state, DISEQC_MODE, (diseqc_mode & 0x40));