V4L/DVB (7434): tda18271: set rfagc modes during channel configuration
Set rfagc to high speed mode before setting the pll. Set rfagc to normal speed mode at the end of the function. Signed-off-by: Michael Krufky <mkrufky@linuxtv.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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@ -50,6 +50,9 @@ static int tda18271_channel_configuration(struct dvb_frontend *fe,
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regs[R_EP3] &= ~0x1f; /* clear std bits */
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regs[R_EP3] |= (map->agc_mode << 3) | map->std;
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/* set rfagc to high speed mode */
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regs[R_EP3] &= ~0x04;
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/* set cal mode to normal */
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regs[R_EP4] &= ~0x03;
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@ -125,7 +128,14 @@ static int tda18271_channel_configuration(struct dvb_frontend *fe,
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regs[R_EB4] &= ~0x20;
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tda18271_write_regs(fe, R_EB4, 1);
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msleep(5);
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msleep(20);
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/* set rfagc to normal speed mode */
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if (map->fm_rfn)
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regs[R_EP3] &= ~0x04;
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else
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regs[R_EP3] |= 0x04;
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tda18271_write_regs(fe, R_EP3, 1);
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return 0;
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}
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