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From 503981056ebed755cb46a721cad6067598fe80f1 Mon Sep 17 00:00:00 2001
From: IQaudIO <gordon@iqaudio.com>
Date: Thu, 6 Jun 2019 10:20:55 +0100
Subject: [PATCH 512/773] Fixed 48k timing issue
---
sound/soc/bcm/iqaudio-codec.c | 33 ++++++++++++++++++++++++++++-----
1 file changed, 28 insertions(+), 5 deletions(-)
--- a/sound/soc/bcm/iqaudio-codec.c
+++ b/sound/soc/bcm/iqaudio-codec.c
@@ -45,11 +45,15 @@ static int snd_rpi_iqaudio_pll_control(s
0);
if (ret)
dev_err(card->dev, "Failed to bypass PLL: %d\n", ret);
+ /* Allow PLL time to bypass */
+ msleep(100);
} else if (SND_SOC_DAPM_EVENT_ON(event)) {
ret = snd_soc_dai_set_pll(codec_dai, 0, DA7213_SYSCLK_PLL, 0,
pll_out);
if (ret)
dev_err(card->dev, "Failed to enable PLL: %d\n", ret);
+ /* Allow PLL time to lock */
+ msleep(100);
}
return ret;
@@ -71,6 +75,13 @@ static int snd_rpi_iqaudio_post_dapm_eve
return 0;
}
+static const struct snd_kcontrol_new dapm_controls[] = {
+ SOC_DAPM_PIN_SWITCH("HP Jack"),
+ SOC_DAPM_PIN_SWITCH("MIC Jack"),
+ SOC_DAPM_PIN_SWITCH("Onboard MIC"),
+ SOC_DAPM_PIN_SWITCH("AUX Jack"),
+};
+
static const struct snd_soc_dapm_widget dapm_widgets[] = {
SND_SOC_DAPM_HP("HP Jack", NULL),
SND_SOC_DAPM_MIC("MIC Jack", NULL),
@@ -87,14 +98,14 @@ static const struct snd_soc_dapm_route a
{"HP Jack", NULL, "HPR"},
{"HP Jack", NULL, "PLL Control"},
- {"AUX Jack", NULL, "AUXR"},
- {"AUX Jack", NULL, "AUXL"},
+ {"AUXR", NULL, "AUX Jack"},
+ {"AUXL", NULL, "AUX Jack"},
{"AUX Jack", NULL, "PLL Control"},
/* Assume Mic1 is linked to Headset and Mic2 to on-board mic */
- {"MIC Jack", NULL, "MIC1"},
+ {"MIC1", NULL, "MIC Jack"},
{"MIC Jack", NULL, "PLL Control"},
- {"Onboard MIC", NULL, "MIC2"},
+ {"MIC2", NULL, "Onboard MIC"},
{"Onboard MIC", NULL, "PLL Control"},
};
@@ -106,6 +117,16 @@ static int snd_rpi_iqaudio_codec_init(st
struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
int ret;
+ /*
+ * Disable AUX Jack Pin by default to prevent PLL being enabled at
+ * startup. This avoids holding the PLL to a fixed SR config for
+ * subsequent streams.
+ *
+ * This pin can still be enabled later, as required by user-space.
+ */
+ snd_soc_dapm_disable_pin(&rtd->card->dapm, "AUX Jack");
+ snd_soc_dapm_sync(&rtd->card->dapm);
+
/* Set bclk ratio to align with codec's BCLK rate */
ret = snd_soc_dai_set_bclk_ratio(cpu_dai, 64);
if (ret) {
@@ -168,6 +189,8 @@ static struct snd_soc_card snd_rpi_iqaud
.owner = THIS_MODULE,
.dai_link = snd_rpi_iqaudio_codec_dai,
.num_links = ARRAY_SIZE(snd_rpi_iqaudio_codec_dai),
+ .controls = dapm_controls,
+ .num_controls = ARRAY_SIZE(dapm_controls),
.dapm_widgets = dapm_widgets,
.num_dapm_widgets = ARRAY_SIZE(dapm_widgets),
.dapm_routes = audio_map,
@@ -204,7 +227,7 @@ static int snd_rpi_iqaudio_codec_probe(s
if (of_property_read_string(pdev->dev.of_node,
"dai_stream_name", &dai->stream_name))
- dai->stream_name = "IQaudIO CODEC HiFi v1.1";
+ dai->stream_name = "IQaudIO CODEC HiFi v1.2";
}
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