forked from Minki/linux
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: Matthias Schwarzott <zzam@gentoo.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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@ -270,7 +270,7 @@ static int mt312_initfe(struct dvb_frontend *fe)
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MT312_SYS_CLK) * 2, 1000000);
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/* DISEQC_RATIO */
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buf[1] = mt312_div(MT312_PLL_CLK, 15000 * 4);
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buf[1] = mt312_div(MT312_PLL_CLK, 22000 * 4);
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ret = mt312_write(state, SYS_CLK, buf, sizeof(buf));
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if (ret < 0)
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@ -323,6 +323,9 @@ static int mt312_send_master_cmd(struct dvb_frontend *fe,
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if (ret < 0)
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return ret;
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/* is there a better way to wait for message to be transmitted */
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msleep(100);
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/* set DISEQC_MODE[2:0] to zero if a return message is expected */
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if (c->msg[0] & 0x02) {
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ret = mt312_writereg(state, DISEQC_MODE, (diseqc_mode & 0x40));
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