diff options
Diffstat (limited to 'target/linux/brcm2708/patches-4.4/0367-Add-dt-param-to-force-HiFiBerry-DAC-Pro-into-slave-m.patch')
| -rw-r--r-- | target/linux/brcm2708/patches-4.4/0367-Add-dt-param-to-force-HiFiBerry-DAC-Pro-into-slave-m.patch | 82 |
1 files changed, 0 insertions, 82 deletions
diff --git a/target/linux/brcm2708/patches-4.4/0367-Add-dt-param-to-force-HiFiBerry-DAC-Pro-into-slave-m.patch b/target/linux/brcm2708/patches-4.4/0367-Add-dt-param-to-force-HiFiBerry-DAC-Pro-into-slave-m.patch deleted file mode 100644 index f9fc90ce83..0000000000 --- a/target/linux/brcm2708/patches-4.4/0367-Add-dt-param-to-force-HiFiBerry-DAC-Pro-into-slave-m.patch +++ /dev/null @@ -1,82 +0,0 @@ -From d742437dcfd03abe608b8829b28c4871a3ce42ae Mon Sep 17 00:00:00 2001 -From: DigitalDreamtime <clive.messer@digitaldreamtime.co.uk> -Date: Sun, 29 May 2016 05:22:29 +0100 -Subject: [PATCH] Add dt param to force HiFiBerry DAC+ Pro into slave mode - -"dtoverlay=hifiberry-dacplus,slave" - -Add 'slave' param to use HiFiBerry DAC+ Pro in slave mode, -with Pi as master for bit and frame clock. - -Signed-off-by: DigitalDreamtime <clive.messer@digitaldreamtime.co.uk> ---- - arch/arm/boot/dts/overlays/README | 2 ++ - arch/arm/boot/dts/overlays/hifiberry-dacplus-overlay.dts | 6 ++++-- - sound/soc/bcm/hifiberry_dacplus.c | 10 ++++++++-- - 3 files changed, 14 insertions(+), 4 deletions(-) - ---- a/arch/arm/boot/dts/overlays/README -+++ b/arch/arm/boot/dts/overlays/README -@@ -344,6 +344,8 @@ Params: 24db_digital_gain Allow ga - responsibility of the user to ensure that - the Digital volume control is set to a value - that does not result in clipping/distortion!) -+ slave Force DAC+ Pro into slave mode, using Pi as -+ master for bit clock and frame clock. - - - Name: hifiberry-digi ---- a/arch/arm/boot/dts/overlays/hifiberry-dacplus-overlay.dts -+++ b/arch/arm/boot/dts/overlays/hifiberry-dacplus-overlay.dts -@@ -41,7 +41,7 @@ - - fragment@3 { - target = <&sound>; -- frag3: __overlay__ { -+ hifiberry_dacplus: __overlay__ { - compatible = "hifiberry,hifiberry-dacplus"; - i2s-controller = <&i2s>; - status = "okay"; -@@ -49,6 +49,8 @@ - }; - - __overrides__ { -- 24db_digital_gain = <&frag3>,"hifiberry,24db_digital_gain?"; -+ 24db_digital_gain = -+ <&hifiberry_dacplus>,"hifiberry,24db_digital_gain?"; -+ slave = <&hifiberry_dacplus>,"hifiberry-dacplus,slave?"; - }; - }; ---- a/sound/soc/bcm/hifiberry_dacplus.c -+++ b/sound/soc/bcm/hifiberry_dacplus.c -@@ -47,6 +47,7 @@ struct pcm512x_priv { - /* Clock rate of CLK48EN attached to GPIO3 pin */ - #define CLK_48EN_RATE 24576000UL - -+static bool slave; - static bool snd_rpi_hifiberry_is_dacpro; - static bool digital_gain_0db_limit = true; - -@@ -145,8 +146,11 @@ static int snd_rpi_hifiberry_dacplus_ini - struct snd_soc_codec *codec = rtd->codec; - struct pcm512x_priv *priv; - -- snd_rpi_hifiberry_is_dacpro -- = snd_rpi_hifiberry_dacplus_is_pro_card(codec); -+ if (slave) -+ snd_rpi_hifiberry_is_dacpro = false; -+ else -+ snd_rpi_hifiberry_is_dacpro = -+ snd_rpi_hifiberry_dacplus_is_pro_card(codec); - - if (snd_rpi_hifiberry_is_dacpro) { - struct snd_soc_dai_link *dai = rtd->dai_link; -@@ -314,6 +318,8 @@ static int snd_rpi_hifiberry_dacplus_pro - - digital_gain_0db_limit = !of_property_read_bool( - pdev->dev.of_node, "hifiberry,24db_digital_gain"); -+ slave = of_property_read_bool(pdev->dev.of_node, -+ "hifiberry-dacplus,slave"); - } - - ret = snd_soc_register_card(&snd_rpi_hifiberry_dacplus); |