V4L/DVB (6660): Allow fully configuring xc3028 during xc2028_attach
xc3028 can be used on some DTV only designs (for example, DVB-S boards). Before this patch, a DTV only board would need to call set_tuner_config callback. This patch allows to optionally pass a xc3028_ctrl parameter, via xc3028_config struct, fully initializing the driver for DTV. Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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@ -1061,7 +1061,7 @@ void *xc2028_attach(struct dvb_frontend *fe, struct xc2028_config *cfg)
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if (debug)
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printk(KERN_DEBUG PREFIX ": Xcv2028/3028 init called!\n");
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if (NULL == cfg->video_dev)
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if (NULL == cfg || NULL == cfg->video_dev)
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return NULL;
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if (!fe) {
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@ -1106,6 +1106,9 @@ void *xc2028_attach(struct dvb_frontend *fe, struct xc2028_config *cfg)
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tuner_info("type set to %s\n", "XCeive xc2028/xc3028 tuner");
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if (cfg->ctrl)
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xc2028_set_config(fe, cfg->ctrl);
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mutex_unlock(&xc2028_list_mutex);
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return fe;
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@ -23,6 +23,7 @@ struct xc2028_config {
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struct i2c_adapter *i2c_adap;
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u8 i2c_addr;
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void *video_dev;
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struct xc2028_ctrl *ctrl;
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int (*callback) (void *dev, int command, int arg);
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};
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