bcm27xx: remove linux 4.19 support

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>

1 files changed, 0 insertions, 196 deletions

diff --git a/target/linux/bcm27xx/patches-4.19/950-0292-ASoC-pcm512x-Implement-the-digital_mute-interface.patch b/target/linux/bcm27xx/patches-4.19/950-0292-ASoC-pcm512x-Implement-the-digital_mute-interface.patch
deleted file mode 100644
index e68cf7b2f9..0000000000
--- a/target/linux/bcm27xx/patches-4.19/950-0292-ASoC-pcm512x-Implement-the-digital_mute-interface.patch
+++ /dev/null
@@ -1,196 +0,0 @@
-From 4a15efde52bb79bf44e63b998cd84f896404d728 Mon Sep 17 00:00:00 2001
-From: Dimitris Papavasiliou <dpapavas@gmail.com>
-Date: Sat, 24 Nov 2018 22:05:42 +0200
-Subject: [PATCH] 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 */