ASoC: rsnd: add rsnd_runtime_channel_xxx()
Current SSI is supporting Normal SSI/Multi mode SSI/TDM mode SSI and its behavior is based on input channels. This input channel might be converted by CTU, and SSI needs to be Multi SSI mode / TDM SSI mode if 6ch input EX) 6ch input, CTU for 2ch, playback 6ch 6ch 2ch 2ch 2ch 2ch -> SRC -> CTU -> MIX -> DVC -> SSIU -> SSI EX) 6ch input, no CTU, Multi SSI, playback 6ch 6ch 6ch 6ch 6ch 2ch -> SRC -> CTU -> MIX -> DVC -> SSIU -> SSI0/SSI1/SSI2 Current driver is using rsnd_get_adinr_chan() / rsnd_get_slot_width() for this purpose, but it is complicated enough without meaning. This patch adds new rsnd_runtime_channel_xxx() which is caring CTU/Multi SSI. Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Signed-off-by: Mark Brown <broonie@kernel.org>
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@ -224,13 +224,36 @@ int rsnd_get_slot_num(struct rsnd_dai_stream *io)
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return rdai->slots_num;
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}
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int rsnd_get_slot_width(struct rsnd_dai_stream *io)
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int rsnd_runtime_channel_original(struct rsnd_dai_stream *io)
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{
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struct snd_pcm_runtime *runtime = rsnd_io_to_runtime(io);
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int chan = runtime->channels;
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/* Multi channel Mode */
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if (rsnd_ssi_multi_slaves_runtime(io))
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return runtime->channels;
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}
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int rsnd_runtime_channel_after_ctu(struct rsnd_dai_stream *io)
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{
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int chan = rsnd_runtime_channel_original(io);
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struct rsnd_mod *ctu_mod = rsnd_io_to_mod_ctu(io);
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if (ctu_mod) {
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u32 converted_chan = rsnd_ctu_converted_channel(ctu_mod);
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if (converted_chan)
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return converted_chan;
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}
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return chan;
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}
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int rsnd_runtime_channel_for_ssi(struct rsnd_dai_stream *io)
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{
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int chan = rsnd_io_is_play(io) ?
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rsnd_runtime_channel_after_ctu(io) :
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rsnd_runtime_channel_original(io);
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/* Use Multi SSI */
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if (rsnd_runtime_is_ssi_multi(io))
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chan /= rsnd_get_slot_num(io);
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/* TDM Extend Mode needs 8ch */
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@ -240,6 +263,21 @@ int rsnd_get_slot_width(struct rsnd_dai_stream *io)
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return chan;
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}
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int rsnd_runtime_is_ssi_multi(struct rsnd_dai_stream *io)
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{
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int slots = rsnd_get_slot_num(io);
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int chan = rsnd_io_is_play(io) ?
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rsnd_runtime_channel_after_ctu(io) :
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rsnd_runtime_channel_original(io);
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return (chan >= 6) && (slots > 1);
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}
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int rsnd_runtime_is_ssi_tdm(struct rsnd_dai_stream *io)
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{
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return rsnd_runtime_channel_for_ssi(io) >= 6;
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}
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/*
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* ADINR function
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*/
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@ -261,29 +299,6 @@ u32 rsnd_get_adinr_bit(struct rsnd_mod *mod, struct rsnd_dai_stream *io)
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return 0;
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}
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u32 rsnd_get_adinr_chan(struct rsnd_mod *mod, struct rsnd_dai_stream *io)
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{
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struct rsnd_priv *priv = rsnd_mod_to_priv(mod);
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struct snd_pcm_runtime *runtime = rsnd_io_to_runtime(io);
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struct device *dev = rsnd_priv_to_dev(priv);
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u32 chan = runtime->channels;
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switch (chan) {
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case 1:
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case 2:
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case 4:
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case 6:
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case 8:
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break;
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default:
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dev_warn(dev, "not supported channel\n");
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chan = 0;
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break;
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}
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return chan;
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}
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/*
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* DALIGN function
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*/
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@ -60,7 +60,7 @@ static void rsnd_ctu_value_init(struct rsnd_dai_stream *io,
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{
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rsnd_mod_write(mod, CTU_CTUIR, 1);
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rsnd_mod_write(mod, CTU_ADINR, rsnd_get_adinr_chan(mod, io));
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rsnd_mod_write(mod, CTU_ADINR, rsnd_runtime_channel_original(io));
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rsnd_mod_write(mod, CTU_CPMDR, 0);
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rsnd_mod_write(mod, CTU_SCMDR, 0);
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@ -116,7 +116,7 @@ static void rsnd_dvc_volume_init(struct rsnd_dai_stream *io,
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u32 vrdbr = 0;
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adinr = rsnd_get_adinr_bit(mod, io) |
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rsnd_get_adinr_chan(mod, io);
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rsnd_runtime_channel_after_ctu(io);
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/* Enable Digital Volume, Zero Cross Mute Mode */
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dvucr |= 0x101;
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@ -51,7 +51,7 @@ static void rsnd_mix_volume_init(struct rsnd_dai_stream *io,
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rsnd_mod_write(mod, MIX_MIXIR, 1);
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/* General Information */
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rsnd_mod_write(mod, MIX_ADINR, rsnd_get_adinr_chan(mod, io));
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rsnd_mod_write(mod, MIX_ADINR, rsnd_runtime_channel_after_ctu(io));
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/* volume step */
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rsnd_mod_write(mod, MIX_MIXMR, 0);
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@ -193,7 +193,6 @@ void rsnd_force_write(struct rsnd_priv *priv, struct rsnd_mod *mod,
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void rsnd_bset(struct rsnd_priv *priv, struct rsnd_mod *mod, enum rsnd_reg reg,
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u32 mask, u32 data);
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u32 rsnd_get_adinr_bit(struct rsnd_mod *mod, struct rsnd_dai_stream *io);
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u32 rsnd_get_adinr_chan(struct rsnd_mod *mod, struct rsnd_dai_stream *io);
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u32 rsnd_get_dalign(struct rsnd_mod *mod, struct rsnd_dai_stream *io);
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/*
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@ -356,9 +355,14 @@ void rsnd_parse_connect_common(struct rsnd_dai *rdai,
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void rsnd_set_slot(struct rsnd_dai *rdai,
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int slots, int slots_total);
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int rsnd_get_slot(struct rsnd_dai_stream *io);
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int rsnd_get_slot_width(struct rsnd_dai_stream *io);
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int rsnd_get_slot_num(struct rsnd_dai_stream *io);
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int rsnd_runtime_channel_original(struct rsnd_dai_stream *io);
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int rsnd_runtime_channel_after_ctu(struct rsnd_dai_stream *io);
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int rsnd_runtime_channel_for_ssi(struct rsnd_dai_stream *io);
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int rsnd_runtime_is_ssi_multi(struct rsnd_dai_stream *io);
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int rsnd_runtime_is_ssi_tdm(struct rsnd_dai_stream *io);
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/*
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* R-Car sound DAI
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*/
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@ -205,7 +205,7 @@ static void rsnd_src_set_convert_rate(struct rsnd_dai_stream *io,
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* SRC_ADINR
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*/
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adinr = rsnd_get_adinr_bit(mod, io) |
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rsnd_get_adinr_chan(mod, io);
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rsnd_runtime_channel_original(io);
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/*
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* SRC_IFSCR / SRC_IFSVR
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@ -180,11 +180,8 @@ static u32 rsnd_ssi_run_mods(struct rsnd_dai_stream *io)
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u32 rsnd_ssi_multi_slaves_runtime(struct rsnd_dai_stream *io)
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{
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struct snd_pcm_runtime *runtime = rsnd_io_to_runtime(io);
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u32 mask = rsnd_ssi_multi_slaves(io);
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if (mask && (runtime->channels >= 6))
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return mask;
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if (rsnd_runtime_is_ssi_multi(io))
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return rsnd_ssi_multi_slaves(io);
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return 0;
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}
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@ -198,7 +195,7 @@ static int rsnd_ssi_master_clk_start(struct rsnd_mod *mod,
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struct rsnd_dai *rdai = rsnd_io_to_rdai(io);
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struct rsnd_ssi *ssi = rsnd_mod_to_ssi(mod);
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struct rsnd_mod *ssi_parent_mod = rsnd_io_to_mod_ssip(io);
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int slots = rsnd_get_slot_width(io);
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int chan = rsnd_runtime_channel_for_ssi(io);
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int j, ret;
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int ssi_clk_mul_table[] = {
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1, 2, 4, 8, 16, 6, 12,
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@ -231,10 +228,10 @@ static int rsnd_ssi_master_clk_start(struct rsnd_mod *mod,
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/*
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* this driver is assuming that
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* system word is 32bit x slots
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* system word is 32bit x chan
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* see rsnd_ssi_init()
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*/
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main_rate = rate * 32 * slots * ssi_clk_mul_table[j];
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main_rate = rate * 32 * chan * ssi_clk_mul_table[j];
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ret = rsnd_adg_ssi_clk_try_start(mod, main_rate);
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if (0 == ret) {
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@ -289,7 +286,7 @@ static void rsnd_ssi_config_init(struct rsnd_mod *mod,
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u32 wsr;
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int is_tdm;
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is_tdm = (rsnd_get_slot_width(io) >= 6) ? 1 : 0;
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is_tdm = rsnd_runtime_is_ssi_tdm(io);
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/*
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* always use 32bit system word.
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@ -105,7 +105,7 @@ static int rsnd_ssiu_init_gen2(struct rsnd_mod *mod,
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if (ret < 0)
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return ret;
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if (rsnd_get_slot_width(io) >= 6) {
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if (rsnd_runtime_is_ssi_tdm(io)) {
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/*
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* TDM Extend Mode
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* see
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@ -117,7 +117,9 @@ static int rsnd_ssiu_init_gen2(struct rsnd_mod *mod,
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if (rsnd_ssi_use_busif(io)) {
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rsnd_mod_write(mod, SSI_BUSIF_ADINR,
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rsnd_get_adinr_bit(mod, io) |
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rsnd_get_adinr_chan(mod, io));
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(rsnd_io_is_play(io) ?
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rsnd_runtime_channel_after_ctu(io) :
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rsnd_runtime_channel_original(io)));
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rsnd_mod_write(mod, SSI_BUSIF_MODE, 1);
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rsnd_mod_write(mod, SSI_BUSIF_DALIGN,
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rsnd_get_dalign(mod, io));
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