[media] tda18271: make 'low-power standby mode after attach' multi-instance safe
Ensure that unnecessary features are powered down at the end of the attach() function on attach of the tuner's first instance. If the configuration requires the loop thru or xtout features, they will remain enabled. This must *only* be done after attaching the first instance of the tuner. If there are multiple instances of the tuner, the bridge driver will need to maintain power managament by itself. Signed-off-by: Michael Krufky <mkrufky@linuxtv.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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@ -1285,6 +1285,10 @@ struct dvb_frontend *tda18271_attach(struct dvb_frontend *fe, u8 addr,
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(priv->id == TDA18271HDC2))
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tda18271c2_rf_cal_init(fe);
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/* enter standby mode, with required output features enabled */
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ret = tda18271_toggle_output(fe, 1);
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tda_fail(ret);
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mutex_unlock(&priv->lock);
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break;
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default:
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@ -1323,9 +1327,6 @@ struct dvb_frontend *tda18271_attach(struct dvb_frontend *fe, u8 addr,
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if (tda18271_debug & (DBG_MAP | DBG_ADV))
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tda18271_dump_std_map(fe);
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ret = tda18271_sleep(fe);
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tda_fail(ret);
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return fe;
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fail:
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mutex_unlock(&tda18271_list_mutex);
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