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author | Álvaro Fernández Rojas <noltari@gmail.com> | 2019-08-09 19:50:30 +0200 |
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committer | Álvaro Fernández Rojas <noltari@gmail.com> | 2019-08-27 11:10:01 +0200 |
commit | 2340c646e6a5da658e114be2f721ff90853588d4 (patch) | |
tree | df9744d2344e71e8c5d1b75c3e1528bc474313fe /target/linux/brcm2708/patches-4.19/950-0337-ASoC-pcm512x-Implement-the-digital_mute-interface.patch | |
parent | 81d0da118694feb874f992093063a2852285d194 (diff) | |
download | upstream-2340c646e6a5da658e114be2f721ff90853588d4.tar.gz upstream-2340c646e6a5da658e114be2f721ff90853588d4.tar.bz2 upstream-2340c646e6a5da658e114be2f721ff90853588d4.zip |
brcm2708: update to latest patches from RPi foundation
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
Diffstat (limited to 'target/linux/brcm2708/patches-4.19/950-0337-ASoC-pcm512x-Implement-the-digital_mute-interface.patch')
-rw-r--r-- | target/linux/brcm2708/patches-4.19/950-0337-ASoC-pcm512x-Implement-the-digital_mute-interface.patch | 196 |
1 files changed, 0 insertions, 196 deletions
diff --git a/target/linux/brcm2708/patches-4.19/950-0337-ASoC-pcm512x-Implement-the-digital_mute-interface.patch b/target/linux/brcm2708/patches-4.19/950-0337-ASoC-pcm512x-Implement-the-digital_mute-interface.patch deleted file mode 100644 index bd268a6c56..0000000000 --- a/target/linux/brcm2708/patches-4.19/950-0337-ASoC-pcm512x-Implement-the-digital_mute-interface.patch +++ /dev/null @@ -1,196 +0,0 @@ -From 911ef52ced060fd14d56d5a2cb816b0732da9b46 Mon Sep 17 00:00:00 2001 -From: Dimitris Papavasiliou <dpapavas@gmail.com> -Date: Sat, 24 Nov 2018 22:05:42 +0200 -Subject: [PATCH 337/725] ASoC: pcm512x: Implement the digital_mute interface - -[ Upstream commit 3500f1c589e92e0b6b1f8d31b4084fbde08d49cb ] - -Clicks and pops of various volumes can be produced while the device is -opened, closed, put into and taken out of standby, or reconfigured. -Fix this, by implementing the digital_mute interface, so that the -output is muted during such operations. - -Signed-off-by: Dimitris Papavasiliou <dpapavas@gmail.com> -Signed-off-by: Mark Brown <broonie@kernel.org> ---- - sound/soc/codecs/pcm512x.c | 121 ++++++++++++++++++++++++++++++++++++- - sound/soc/codecs/pcm512x.h | 2 + - 2 files changed, 121 insertions(+), 2 deletions(-) - ---- a/sound/soc/codecs/pcm512x.c -+++ b/sound/soc/codecs/pcm512x.c -@@ -53,6 +53,8 @@ struct pcm512x_priv { - unsigned long overclock_pll; - unsigned long overclock_dac; - unsigned long overclock_dsp; -+ int mute; -+ struct mutex mutex; - int lrclk_div; - }; - -@@ -385,6 +387,61 @@ static const struct soc_enum pcm512x_ved - SOC_ENUM_SINGLE(PCM512x_DIGITAL_MUTE_2, PCM512x_VEDS_SHIFT, 4, - pcm512x_ramp_step_text); - -+static int pcm512x_update_mute(struct pcm512x_priv *pcm512x) -+{ -+ return regmap_update_bits( -+ pcm512x->regmap, PCM512x_MUTE, PCM512x_RQML | PCM512x_RQMR, -+ (!!(pcm512x->mute & 0x5) << PCM512x_RQML_SHIFT) -+ | (!!(pcm512x->mute & 0x3) << PCM512x_RQMR_SHIFT)); -+} -+ -+static int pcm512x_digital_playback_switch_get(struct snd_kcontrol *kcontrol, -+ struct snd_ctl_elem_value *ucontrol) -+{ -+ struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); -+ struct pcm512x_priv *pcm512x = snd_soc_component_get_drvdata(component); -+ -+ mutex_lock(&pcm512x->mutex); -+ ucontrol->value.integer.value[0] = !(pcm512x->mute & 0x4); -+ ucontrol->value.integer.value[1] = !(pcm512x->mute & 0x2); -+ mutex_unlock(&pcm512x->mutex); -+ -+ return 0; -+} -+ -+static int pcm512x_digital_playback_switch_put(struct snd_kcontrol *kcontrol, -+ struct snd_ctl_elem_value *ucontrol) -+{ -+ struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); -+ struct pcm512x_priv *pcm512x = snd_soc_component_get_drvdata(component); -+ int ret, changed = 0; -+ -+ mutex_lock(&pcm512x->mutex); -+ -+ if ((pcm512x->mute & 0x4) == (ucontrol->value.integer.value[0] << 2)) { -+ pcm512x->mute ^= 0x4; -+ changed = 1; -+ } -+ if ((pcm512x->mute & 0x2) == (ucontrol->value.integer.value[1] << 1)) { -+ pcm512x->mute ^= 0x2; -+ changed = 1; -+ } -+ -+ if (changed) { -+ ret = pcm512x_update_mute(pcm512x); -+ if (ret != 0) { -+ dev_err(component->dev, -+ "Failed to update digital mute: %d\n", ret); -+ mutex_unlock(&pcm512x->mutex); -+ return ret; -+ } -+ } -+ -+ mutex_unlock(&pcm512x->mutex); -+ -+ return changed; -+} -+ - static const struct snd_kcontrol_new pcm512x_controls[] = { - SOC_DOUBLE_R_TLV("Digital Playback Volume", PCM512x_DIGITAL_VOLUME_2, - PCM512x_DIGITAL_VOLUME_3, 0, 255, 1, digital_tlv), -@@ -392,8 +449,15 @@ SOC_DOUBLE_TLV("Analogue Playback Volume - PCM512x_LAGN_SHIFT, PCM512x_RAGN_SHIFT, 1, 1, analog_tlv), - SOC_DOUBLE_TLV("Analogue Playback Boost Volume", PCM512x_ANALOG_GAIN_BOOST, - PCM512x_AGBL_SHIFT, PCM512x_AGBR_SHIFT, 1, 0, boost_tlv), --SOC_DOUBLE("Digital Playback Switch", PCM512x_MUTE, PCM512x_RQML_SHIFT, -- PCM512x_RQMR_SHIFT, 1, 1), -+{ -+ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, -+ .name = "Digital Playback Switch", -+ .index = 0, -+ .access = SNDRV_CTL_ELEM_ACCESS_READWRITE, -+ .info = snd_ctl_boolean_stereo_info, -+ .get = pcm512x_digital_playback_switch_get, -+ .put = pcm512x_digital_playback_switch_put -+}, - - SOC_SINGLE("Deemphasis Switch", PCM512x_DSP, PCM512x_DEMP_SHIFT, 1, 1), - SOC_ENUM("DSP Program", pcm512x_dsp_program), -@@ -1323,6 +1387,56 @@ static int pcm512x_set_fmt(struct snd_so - return 0; - } - -+static int pcm512x_digital_mute(struct snd_soc_dai *dai, int mute) -+{ -+ struct snd_soc_component *component = dai->component; -+ struct pcm512x_priv *pcm512x = snd_soc_component_get_drvdata(component); -+ int ret; -+ unsigned int mute_det; -+ -+ mutex_lock(&pcm512x->mutex); -+ -+ if (mute) { -+ pcm512x->mute |= 0x1; -+ ret = regmap_update_bits(pcm512x->regmap, PCM512x_MUTE, -+ PCM512x_RQML | PCM512x_RQMR, -+ PCM512x_RQML | PCM512x_RQMR); -+ if (ret != 0) { -+ dev_err(component->dev, -+ "Failed to set digital mute: %d\n", ret); -+ mutex_unlock(&pcm512x->mutex); -+ return ret; -+ } -+ -+ regmap_read_poll_timeout(pcm512x->regmap, -+ PCM512x_ANALOG_MUTE_DET, -+ mute_det, (mute_det & 0x3) == 0, -+ 200, 10000); -+ -+ mutex_unlock(&pcm512x->mutex); -+ } else { -+ pcm512x->mute &= ~0x1; -+ ret = pcm512x_update_mute(pcm512x); -+ if (ret != 0) { -+ dev_err(component->dev, -+ "Failed to update digital mute: %d\n", ret); -+ mutex_unlock(&pcm512x->mutex); -+ return ret; -+ } -+ -+ regmap_read_poll_timeout(pcm512x->regmap, -+ PCM512x_ANALOG_MUTE_DET, -+ mute_det, -+ (mute_det & 0x3) -+ == ((~pcm512x->mute >> 1) & 0x3), -+ 200, 10000); -+ } -+ -+ mutex_unlock(&pcm512x->mutex); -+ -+ return 0; -+} -+ - static int pcm512x_set_tdm_slot(struct snd_soc_dai *dai, - unsigned int tx_mask, unsigned int rx_mask, - int slots, int width) -@@ -1348,6 +1462,7 @@ static const struct snd_soc_dai_ops pcm5 - .startup = pcm512x_dai_startup, - .hw_params = pcm512x_hw_params, - .set_fmt = pcm512x_set_fmt, -+ .digital_mute = pcm512x_digital_mute, - .set_tdm_slot = pcm512x_set_tdm_slot, - }; - -@@ -1414,6 +1529,8 @@ int pcm512x_probe(struct device *dev, st - if (!pcm512x) - return -ENOMEM; - -+ mutex_init(&pcm512x->mutex); -+ - dev_set_drvdata(dev, pcm512x); - pcm512x->regmap = regmap; - ---- a/sound/soc/codecs/pcm512x.h -+++ b/sound/soc/codecs/pcm512x.h -@@ -112,7 +112,9 @@ - #define PCM512x_RQST_SHIFT 4 - - /* Page 0, Register 3 - mute */ -+#define PCM512x_RQMR (1 << 0) - #define PCM512x_RQMR_SHIFT 0 -+#define PCM512x_RQML (1 << 4) - #define PCM512x_RQML_SHIFT 4 - - /* Page 0, Register 4 - PLL */ |