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62b7f5931c
bcm2708: boot tested on RPi B+ v1.2
bcm2709: boot tested on RPi 3B v1.2 and RPi 4B v1.1 4G
bcm2710: boot tested on RPi 3B v1.2
bcm2711: boot tested on RPi 4B v1.1 4G
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
(cherry-picked from commit f07e572f64)
57 lines
2.0 KiB
Diff
57 lines
2.0 KiB
Diff
From 18b1ff043d713b6b3669a8746062f2faeb6c3557 Mon Sep 17 00:00:00 2001
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From: Matthias Reichl <hias@horus.com>
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Date: Thu, 19 Mar 2020 20:00:35 +0100
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Subject: [PATCH] drm/vc4: move setup from hw_params to prepare
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Configuring HDMI audio registers in prepare allows us to take
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IEC958 bits into account which are set by the alsa hook after
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the hw_params call.
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Signed-off-by: Matthias Reichl <hias@horus.com>
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---
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drivers/gpu/drm/vc4/vc4_hdmi.c | 18 ++++++++++--------
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1 file changed, 10 insertions(+), 8 deletions(-)
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--- a/drivers/gpu/drm/vc4/vc4_hdmi.c
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+++ b/drivers/gpu/drm/vc4/vc4_hdmi.c
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@@ -958,8 +958,7 @@ static int sample_rate_to_mai_fmt(int sa
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}
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/* HDMI audio codec callbacks */
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-static int vc4_hdmi_audio_hw_params(struct snd_pcm_substream *substream,
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- struct snd_pcm_hw_params *params,
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+static int vc4_hdmi_audio_prepare(struct snd_pcm_substream *substream,
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struct snd_soc_dai *dai)
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{
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struct vc4_hdmi *vc4_hdmi = dai_to_hdmi(dai);
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@@ -972,12 +971,15 @@ static int vc4_hdmi_audio_hw_params(stru
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if (substream != vc4_hdmi->audio.substream)
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return -EINVAL;
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- dev_dbg(dev, "%s: %u Hz, %d bit, %d channels\n", __func__,
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- params_rate(params), params_width(params),
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- params_channels(params));
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+ dev_dbg(dev, "%s: %u Hz, %d bit, %d channels AES0=%02x\n",
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+ __func__,
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+ substream->runtime->rate,
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+ snd_pcm_format_width(substream->runtime->format),
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+ substream->runtime->channels,
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+ vc4_hdmi->audio.iec_status[0]);
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- vc4_hdmi->audio.channels = params_channels(params);
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- vc4_hdmi->audio.samplerate = params_rate(params);
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+ vc4_hdmi->audio.channels = substream->runtime->channels;
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+ vc4_hdmi->audio.samplerate = substream->runtime->rate;
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HDMI_WRITE(HDMI_MAI_CTL,
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VC4_HD_MAI_CTL_RESET |
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@@ -1196,7 +1198,7 @@ static const struct snd_soc_component_dr
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static const struct snd_soc_dai_ops vc4_hdmi_audio_dai_ops = {
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.startup = vc4_hdmi_audio_startup,
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.shutdown = vc4_hdmi_audio_shutdown,
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- .hw_params = vc4_hdmi_audio_hw_params,
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+ .prepare = vc4_hdmi_audio_prepare,
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.set_fmt = vc4_hdmi_audio_set_fmt,
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.trigger = vc4_hdmi_audio_trigger,
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};
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