From: Kuninori Morimoto kuninori.morimoto.gx@renesas.com
Parent SSI is needed if it is PIN sharing and clock master, otherwise, not needed. But, whether clockk master is judged on .set_fmt, thus, it can't call rsnd_ssi_parent_attach() on .probe.
Now, .pcm_new will be called after .set_fmt, so this patch reuses it at this point.
Signed-off-by: Kuninori Morimoto kuninori.morimoto.gx@renesas.com --- sound/soc/sh/rcar/ssi.c | 30 +++++++++++++++++++++++++++--- 1 file changed, 27 insertions(+), 3 deletions(-)
diff --git a/sound/soc/sh/rcar/ssi.c b/sound/soc/sh/rcar/ssi.c index 1205872..b5c6f0c 100644 --- a/sound/soc/sh/rcar/ssi.c +++ b/sound/soc/sh/rcar/ssi.c @@ -545,12 +545,17 @@ static irqreturn_t rsnd_ssi_interrupt(int irq, void *data) * SSI PIO */ static void rsnd_ssi_parent_attach(struct rsnd_mod *mod, - struct rsnd_dai_stream *io, - struct rsnd_priv *priv) + struct rsnd_dai_stream *io) { + struct rsnd_dai *rdai = rsnd_io_to_rdai(io); + struct rsnd_priv *priv = rsnd_mod_to_priv(mod); + if (!__rsnd_ssi_is_pin_sharing(mod)) return;
+ if (!rsnd_rdai_is_clk_master(rdai)) + return; + switch (rsnd_mod_id(mod)) { case 1: case 2: @@ -565,6 +570,20 @@ static void rsnd_ssi_parent_attach(struct rsnd_mod *mod, } }
+static int rsnd_ssi_pcm_new(struct rsnd_mod *mod, + struct rsnd_dai_stream *io, + struct snd_soc_pcm_runtime *rtd) +{ + /* + * rsnd_rdai_is_clk_master() will be enabled after set_fmt, + * and, pcm_new will be called after it. + * This function reuse pcm_new at this point. + */ + rsnd_ssi_parent_attach(mod, io); + + return 0; +} + static int rsnd_ssi_common_probe(struct rsnd_mod *mod, struct rsnd_dai_stream *io, struct rsnd_priv *priv) @@ -580,7 +599,10 @@ static int rsnd_ssi_common_probe(struct rsnd_mod *mod, if (rsnd_ssi_is_multi_slave(mod, io)) return 0;
- rsnd_ssi_parent_attach(mod, io, priv); + /* + * It can't judge ssi parent at this point + * see rsnd_ssi_pcm_new() + */
ret = rsnd_ssiu_attach(io, mod); if (ret < 0) @@ -602,6 +624,7 @@ static struct rsnd_mod_ops rsnd_ssi_pio_ops = { .start = rsnd_ssi_start, .stop = rsnd_ssi_stop, .irq = rsnd_ssi_irq, + .pcm_new = rsnd_ssi_pcm_new, .hw_params = rsnd_ssi_hw_params, };
@@ -691,6 +714,7 @@ static struct rsnd_mod_ops rsnd_ssi_dma_ops = { .start = rsnd_ssi_start, .stop = rsnd_ssi_stop, .irq = rsnd_ssi_irq, + .pcm_new = rsnd_ssi_pcm_new, .fallback = rsnd_ssi_fallback, .hw_params = rsnd_ssi_hw_params, };