brcm2708: update linux 4.4 patches to latest version

As usual these patches were extracted and rebased from the raspberry pi repo:
https://github.com/raspberrypi/linux/tree/rpi-4.4.y

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

1 files changed, 0 insertions, 187 deletions

diff --git a/target/linux/brcm2708/patches-4.4/0431-Added-HiFiBerry-Digi-Pro-driver.patch b/target/linux/brcm2708/patches-4.4/0431-Added-HiFiBerry-Digi-Pro-driver.patch
deleted file mode 100644
index c718209422..0000000000
--- a/target/linux/brcm2708/patches-4.4/0431-Added-HiFiBerry-Digi-Pro-driver.patch
+++ /dev/null
@@ -1,187 +0,0 @@
-From e528c5d3f8cffca37abf9c69f7178f0221974225 Mon Sep 17 00:00:00 2001
-From: "Daniel Matuschek (HiFiBerry)" <daniel@hifiberry.com>
-Date: Tue, 26 Jul 2016 19:16:25 +0200
-Subject: [PATCH] Added HiFiBerry Digi+ Pro driver
-
-Signed-off-by: Daniel Matuschek <daniel@hifiberry.com>
----
- arch/arm/boot/dts/overlays/Makefile                |  1 +
- arch/arm/boot/dts/overlays/README                  |  8 +++-
- .../dts/overlays/hifiberry-digi-pro-overlay.dts    | 41 +++++++++++++++++
- sound/soc/bcm/hifiberry_digi.c                     | 51 ++++++++++++++++++++++
- 4 files changed, 100 insertions(+), 1 deletion(-)
- create mode 100644 arch/arm/boot/dts/overlays/hifiberry-digi-pro-overlay.dts
-
---- a/arch/arm/boot/dts/overlays/Makefile
-+++ b/arch/arm/boot/dts/overlays/Makefile
-@@ -31,6 +31,7 @@ dtbo-$(RPI_DT_OVERLAYS) += hifiberry-amp
- dtbo-$(RPI_DT_OVERLAYS) += hifiberry-dac.dtbo
- dtbo-$(RPI_DT_OVERLAYS) += hifiberry-dacplus.dtbo
- dtbo-$(RPI_DT_OVERLAYS) += hifiberry-digi.dtbo
-+dtbo-$(RPI_DT_OVERLAYS) += hifiberry-digi-pro.dtbo
- dtbo-$(RPI_DT_OVERLAYS) += hy28a.dtbo
- dtbo-$(RPI_DT_OVERLAYS) += hy28b.dtbo
- dtbo-$(RPI_DT_OVERLAYS) += i2c-gpio.dtbo
---- a/arch/arm/boot/dts/overlays/README
-+++ b/arch/arm/boot/dts/overlays/README
-@@ -377,11 +377,17 @@ Params: 24db_digital_gain       Allow ga
- 
- 
- Name:   hifiberry-digi
--Info:   Configures the HifiBerry Digi audio card
-+Info:   Configures the HifiBerry Digi and Digi+ audio card
- Load:   dtoverlay=hifiberry-digi
- Params: <None>
- 
- 
-+Name:   hifiberry-digi-pro
-+Info:   Configures the HifiBerry Digi+ Pro audio card
-+Load:   dtoverlay=hifiberry-digi-pro
-+Params: <None>
-+
-+
- Name:   hy28a
- Info:   HY28A - 2.8" TFT LCD Display Module by HAOYU Electronics
-         Default values match Texy's display shield
---- /dev/null
-+++ b/arch/arm/boot/dts/overlays/hifiberry-digi-pro-overlay.dts
-@@ -0,0 +1,41 @@
-+// Definitions for HiFiBerry Digi Pro
-+/dts-v1/;
-+/plugin/;
-+
-+/ {
-+	compatible = "brcm,bcm2708";
-+
-+	fragment@0 {
-+		target = <&i2s>;
-+		__overlay__ {
-+			status = "okay";
-+		};
-+	};
-+
-+	fragment@1 {
-+		target = <&i2c1>;
-+		__overlay__ {
-+			#address-cells = <1>;
-+			#size-cells = <0>;
-+			status = "okay";
-+
-+			wm8804@3b {
-+				#sound-dai-cells = <0>;
-+				compatible = "wlf,wm8804";
-+				reg = <0x3b>;
-+				status = "okay";
-+			};
-+		};
-+	};
-+
-+	fragment@2 {
-+		target = <&sound>;
-+		__overlay__ {
-+			compatible = "hifiberry,hifiberry-digi";
-+			i2s-controller = <&i2s>;
-+			status = "okay";
-+			clock44-gpio = <&gpio 5 0>;
-+			clock48-gpio = <&gpio 6 0>;
-+		};
-+	};
-+};
---- a/sound/soc/bcm/hifiberry_digi.c
-+++ b/sound/soc/bcm/hifiberry_digi.c
-@@ -23,6 +23,7 @@
- #include <sound/pcm_params.h>
- #include <sound/soc.h>
- #include <sound/jack.h>
-+#include <linux/gpio/consumer.h>
- 
- #include "../codecs/wm8804.h"
- 
-@@ -30,9 +31,34 @@ static short int auto_shutdown_output =
- module_param(auto_shutdown_output, short, S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP);
- MODULE_PARM_DESC(auto_shutdown_output, "Shutdown SP/DIF output if playback is stopped");
- 
-+#define CLK_44EN_RATE 22579200UL
-+#define CLK_48EN_RATE 24576000UL
-+
-+static bool snd_rpi_hifiberry_is_digipro;
-+static struct gpio_desc *snd_rpi_hifiberry_clk44gpio;
-+static struct gpio_desc *snd_rpi_hifiberry_clk48gpio;
- 
- static int samplerate=44100;
- 
-+static uint32_t snd_rpi_hifiberry_digi_enable_clock(int sample_rate)
-+{
-+	switch (sample_rate) {
-+	case 11025:
-+	case 22050:
-+	case 44100:
-+	case 88200:
-+	case 176400:
-+		gpiod_set_value_cansleep(snd_rpi_hifiberry_clk44gpio, 1);
-+		gpiod_set_value_cansleep(snd_rpi_hifiberry_clk48gpio, 0);
-+		return CLK_44EN_RATE;
-+	default:
-+		gpiod_set_value_cansleep(snd_rpi_hifiberry_clk48gpio, 1);
-+		gpiod_set_value_cansleep(snd_rpi_hifiberry_clk44gpio, 0);
-+		return CLK_48EN_RATE;
-+	}
-+}
-+
-+
- static int snd_rpi_hifiberry_digi_init(struct snd_soc_pcm_runtime *rtd)
- {
- 	struct snd_soc_codec *codec = rtd->codec;
-@@ -40,6 +66,14 @@ static int snd_rpi_hifiberry_digi_init(s
- 	/* enable TX output */
- 	snd_soc_update_bits(codec, WM8804_PWRDN, 0x4, 0x0);
- 
-+	/* Initialize Digi+ Pro hardware */
-+	if (snd_rpi_hifiberry_is_digipro) {
-+		struct snd_soc_dai_link *dai = rtd->dai_link;
-+
-+		dai->name = "HiFiBerry Digi+ Pro";
-+		dai->stream_name = "HiFiBerry Digi+ Pro HiFi";
-+	}
-+
- 	return 0;
- }
- 
-@@ -87,6 +121,9 @@ static int snd_rpi_hifiberry_digi_hw_par
- 		mclk_freq=samplerate*128;
- 		mclk_div=WM8804_MCLKDIV_128FS;
- 	}
-+
-+	if (snd_rpi_hifiberry_is_digipro)
-+		sysclk = snd_rpi_hifiberry_digi_enable_clock(samplerate);
- 	
- 	switch (samplerate) {
- 		case 32000:
-@@ -121,6 +158,7 @@ static int snd_rpi_hifiberry_digi_hw_par
- 
- 	ret = snd_soc_dai_set_sysclk(codec_dai, WM8804_TX_CLKSRC_PLL,
- 					sysclk, SND_SOC_CLOCK_OUT);
-+
- 	if (ret < 0) {
- 		dev_err(codec->dev,
- 		"Failed to set WM8804 SYSCLK: %d\n", ret);
-@@ -187,6 +225,19 @@ static int snd_rpi_hifiberry_digi_probe(
- 		dai->platform_name = NULL;
- 		dai->platform_of_node = i2s_node;
- 	    }
-+
-+	    snd_rpi_hifiberry_is_digipro = 1;
-+
-+	    snd_rpi_hifiberry_clk44gpio =
-+		devm_gpiod_get(&pdev->dev, "clock44", GPIOD_OUT_LOW);
-+	    if (IS_ERR(snd_rpi_hifiberry_clk44gpio))
-+		snd_rpi_hifiberry_is_digipro = 0;
-+
-+	    snd_rpi_hifiberry_clk48gpio =
-+		devm_gpiod_get(&pdev->dev, "clock48", GPIOD_OUT_LOW);
-+	    if (IS_ERR(snd_rpi_hifiberry_clk48gpio))
-+		snd_rpi_hifiberry_is_digipro = 0;
-+
- 	}
- 
- 	ret = snd_soc_register_card(&snd_rpi_hifiberry_digi);