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Merge 55e7a91c3e into f84d196a1e

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This commit is contained in:
Daniel Scheller
2017-09-25 19:12:32 +00:00
committed by GitHub
parent f84d196a1e 55e7a91c3e
commit 11a9c2067e
1 changed files with 10 additions and 5 deletions
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15
frontends/stv0910.c
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@@ -1195,17 +1195,22 @@ static int gate_ctrl(struct dvb_frontend *fe, int enable)
struct stv *state = fe->demodulator_priv;
u8 i2crpt = state->i2crpt & ~0x86;
if (enable)
if (enable) {
mutex_lock(&state->base->i2c_lock);
if (enable)
i2crpt |= 0x80;
else
} else {
i2crpt |= 0x02;
}
if (write_reg(state, state->nr ? RSTV0910_P2_I2CRPT :
RSTV0910_P1_I2CRPT, i2crpt) < 0)
RSTV0910_P1_I2CRPT, i2crpt) < 0) {
/* don't hold the I2C bus lock on failure */
mutex_unlock(&state->base->i2c_lock);
dev_err(&state->base->i2c->dev,
"%s() write_reg failure (enable=%d)\n",
__func__, enable);
return -EIO;
}
state->i2crpt = i2crpt;