From: Michael Ira Krufky <[email protected]> Add support for controlling TP clock mode for VSB and QAM annex-B/C mode. Gated clock mode is the default value, and does not support QAM annex-C. The patch enables setting this control to fixed clock mode.
Signed-off-by: Michael Ira Krufky <[email protected]> --- drivers/media/dvb-frontends/lgdt3305.c | 3 +++ drivers/media/dvb-frontends/lgdt3305.h | 6 ++++++ 2 files changed, 9 insertions(+) diff --git a/drivers/media/dvb-frontends/lgdt3305.c b/drivers/media/dvb-frontends/lgdt3305.c index b42d649..873c63a 100644 --- a/drivers/media/dvb-frontends/lgdt3305.c +++ b/drivers/media/dvb-frontends/lgdt3305.c @@ -241,6 +241,7 @@ static int lgdt3305_mpeg_mode_polarity(struct lgdt3305_state *state) u8 val; int ret; enum lgdt3305_tp_clock_edge edge = state->cfg->tpclk_edge; + enum lgdt3305_tp_clock_mode mode = state->cfg->tpclk_mode; enum lgdt3305_tp_valid_polarity valid = state->cfg->tpvalid_polarity; lg_dbg("edge = %d, valid = %d\n", edge, valid); @@ -253,6 +254,8 @@ static int lgdt3305_mpeg_mode_polarity(struct lgdt3305_state *state) if (edge) val |= 0x08; + if (mode) + val |= 0x40; if (valid) val |= 0x01; diff --git a/drivers/media/dvb-frontends/lgdt3305.h b/drivers/media/dvb-frontends/lgdt3305.h index d9ab556..9c03e53 100644 --- a/drivers/media/dvb-frontends/lgdt3305.h +++ b/drivers/media/dvb-frontends/lgdt3305.h @@ -37,6 +37,11 @@ enum lgdt3305_tp_clock_edge { LGDT3305_TPCLK_FALLING_EDGE = 1, }; +enum lgdt3305_tp_clock_mode { + LGDT3305_TPCLK_GATED = 0, + LGDT3305_TPCLK_FIXED = 1, +}; + enum lgdt3305_tp_valid_polarity { LGDT3305_TP_VALID_LOW = 0, LGDT3305_TP_VALID_HIGH = 1, @@ -70,6 +75,7 @@ struct lgdt3305_config { enum lgdt3305_mpeg_mode mpeg_mode; enum lgdt3305_tp_clock_edge tpclk_edge; + enum lgdt3305_tp_clock_mode tpclk_mode; enum lgdt3305_tp_valid_polarity tpvalid_polarity; enum lgdt_demod_chip_type demod_chip; }; -- 2.1.0 -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
