brcm2708: remove linux 4.4 support

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

1 files changed, 0 insertions, 60 deletions

diff --git a/target/linux/brcm2708/patches-4.4/0323-Allow-up-to-24dB-digital-gain-to-be-applied-when-usi.patch b/target/linux/brcm2708/patches-4.4/0323-Allow-up-to-24dB-digital-gain-to-be-applied-when-usi.patch
deleted file mode 100644
index 76b98a503d..0000000000
--- a/target/linux/brcm2708/patches-4.4/0323-Allow-up-to-24dB-digital-gain-to-be-applied-when-usi.patch
+++ /dev/null
@@ -1,60 +0,0 @@
-From f8abdaaf67f76c85eff5d5b2d38603b0dbaaf6be Mon Sep 17 00:00:00 2001
-From: DigitalDreamtime <clive.messer@digitaldreamtime.co.uk>
-Date: Fri, 6 May 2016 09:42:55 +0100
-Subject: [PATCH] Allow up to 24dB digital gain to be applied when using
- IQAudIO DAC
-
-24db_digital_gain DT param can be used to specify that PCM512x
-codec "Digital" volume control should not be limited to 0dB gain,
-and if specified will allow the full 24dB gain.
-
-Signed-off-by: DigitalDreamtime <clive.messer@digitaldreamtime.co.uk>
----
- arch/arm/boot/dts/overlays/README                  | 17 +++++++++++++++--
- arch/arm/boot/dts/overlays/iqaudio-dac-overlay.dts |  6 +++++-
- 2 files changed, 20 insertions(+), 3 deletions(-)
-
---- a/arch/arm/boot/dts/overlays/README
-+++ b/arch/arm/boot/dts/overlays/README
-@@ -490,8 +490,21 @@ Params: <None>
- 
- Name:   iqaudio-dac
- Info:   Configures the IQaudio DAC audio card
--Load:   dtoverlay=iqaudio-dac
--Params: <None>
-+Load:   dtoverlay=iqaudio-dac,<param>
-+Params: 24db_digital_gain       Allow gain to be applied via the PCM512x codec
-+                                Digital volume control. Enable with
-+                                "dtoverlay=iqaudio-dac,24db_digital_gain"
-+                                (The default behaviour is that the Digital
-+                                volume control is limited to a maximum of
-+                                0dB. ie. it can attenuate but not provide
-+                                gain. For most users, this will be desired
-+                                as it will prevent clipping. By appending
-+                                the 24db_digital_gain parameter, the Digital
-+                                volume control will allow up to 24dB of
-+                                gain. If this parameter is enabled, it is the
-+                                responsibility of the user to ensure that
-+                                the Digital volume control is set to a value
-+                                that does not result in clipping/distortion!)
- 
- 
- Name:   iqaudio-dacplus
---- a/arch/arm/boot/dts/overlays/iqaudio-dac-overlay.dts
-+++ b/arch/arm/boot/dts/overlays/iqaudio-dac-overlay.dts
-@@ -30,10 +30,14 @@
- 
- 	fragment@2 {
- 		target = <&sound>;
--		__overlay__ {
-+		frag2: __overlay__ {
- 			compatible = "iqaudio,iqaudio-dac";
- 			i2s-controller = <&i2s>;
- 			status = "okay";
- 		};
- 	};
-+
-+	__overrides__ {
-+		24db_digital_gain = <&frag2>,"iqaudio,24db_digital_gain?";
-+	};
- };