From: Jerome Brunet <jbrunet@xxxxxxxxxxxx> [ Upstream commit 2c4956bc1e9062e5e3c5ea7612294f24e6d4fbdd ] So far, forwarding the hw_params of the input to output relied on the .hw_params() callback of the cpu side of the codec2codec link to be called first. This is a bit weak. Instead, override the stream params of the codec2codec to link to set it up correctly. Signed-off-by: Jerome Brunet <jbrunet@xxxxxxxxxxxx> Link: https://lore.kernel.org/r/20190729080139.32068-1-jbrunet@xxxxxxxxxxxx Signed-off-by: Mark Brown <broonie@xxxxxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> --- sound/soc/meson/g12a-tohdmitx.c | 34 ++++++++++++++++----------------- 1 file changed, 16 insertions(+), 18 deletions(-) diff --git a/sound/soc/meson/g12a-tohdmitx.c b/sound/soc/meson/g12a-tohdmitx.c index 707ccb192e4c2..9943c807ec5d7 100644 --- a/sound/soc/meson/g12a-tohdmitx.c +++ b/sound/soc/meson/g12a-tohdmitx.c @@ -28,7 +28,7 @@ #define CTRL0_SPDIF_CLK_SEL BIT(0) struct g12a_tohdmitx_input { - struct snd_pcm_hw_params params; + struct snd_soc_pcm_stream params; unsigned int fmt; }; @@ -225,26 +225,17 @@ static int g12a_tohdmitx_input_hw_params(struct snd_pcm_substream *substream, { struct g12a_tohdmitx_input *data = dai->playback_dma_data; - /* Save the stream params for the downstream link */ - memcpy(&data->params, params, sizeof(*params)); + data->params.rates = snd_pcm_rate_to_rate_bit(params_rate(params)); + data->params.rate_min = params_rate(params); + data->params.rate_max = params_rate(params); + data->params.formats = 1 << params_format(params); + data->params.channels_min = params_channels(params); + data->params.channels_max = params_channels(params); + data->params.sig_bits = dai->driver->playback.sig_bits; return 0; } -static int g12a_tohdmitx_output_hw_params(struct snd_pcm_substream *substream, - struct snd_pcm_hw_params *params, - struct snd_soc_dai *dai) -{ - struct g12a_tohdmitx_input *in_data = - g12a_tohdmitx_get_input_data(dai->capture_widget); - - if (!in_data) - return -ENODEV; - - memcpy(params, &in_data->params, sizeof(*params)); - - return 0; -} static int g12a_tohdmitx_input_set_fmt(struct snd_soc_dai *dai, unsigned int fmt) @@ -266,6 +257,14 @@ static int g12a_tohdmitx_output_startup(struct snd_pcm_substream *substream, if (!in_data) return -ENODEV; + if (WARN_ON(!rtd->dai_link->params)) { + dev_warn(dai->dev, "codec2codec link expected\n"); + return -EINVAL; + } + + /* Replace link params with the input params */ + rtd->dai_link->params = &in_data->params; + if (!in_data->fmt) return 0; @@ -278,7 +277,6 @@ static const struct snd_soc_dai_ops g12a_tohdmitx_input_ops = { }; static const struct snd_soc_dai_ops g12a_tohdmitx_output_ops = { - .hw_params = g12a_tohdmitx_output_hw_params, .startup = g12a_tohdmitx_output_startup, }; -- 2.20.1
