• Daniel Scheller's avatar
    [media] ddbridge: support STV0367-based cards and modules · 05da9437
    Daniel Scheller authored
    This adds detection and activation for STV0367-based tuner hardware (namely
    CineCTv6 bridge cards and older DuoFlex CT addon modules). Utilises the
    extended stv0367 demod driver.
    
    TDA18212 i2c_client/regmap-api code was originally implemented by
    Antti Palosaari <crope@iki.fi> in a variant to update the ddbridge code
    from the vendor dddvb package (formal ack for these parts received).
    Original patch at [1].
    
    When boards with STV0367 are cold-started, there might be issues with the
    I2C gate, causing the TDA18212 detection/probe to fail. For these demods,
    a workaround (tuner_tda18212_ping) is implemented which probes the tuner
    twice on this hardware constellation which will resolve the problem and
    put all components into a working state. Other demod/port types won't be
    retried.
    
    [1] https://patchwork.linuxtv.org/patch/25146/Signed-off-by: default avatarDaniel Scheller <d.scheller@gmx.net>
    Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@s-opensource.com>
    05da9437
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