From cc289be8c913006a43275dfd8ed4ac56b43140a8 Mon Sep 17 00:00:00 2001 From: Daniel Mack <zonque@gmail.com> Date: Fri, 8 Mar 2013 12:07:28 +0100 Subject: ASoC: Add codec driver for AK5386 Adds a driver for Asahi Kasei's AK5386 Single-ended 24-Bit 192kHz delta-sigma ADC. The device has no control port interface but an optional RESET/PDN GPIO pin. Signed-off-by: Daniel Mack <zonque@gmail.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> --- Documentation/devicetree/bindings/sound/ak5386.txt | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) create mode 100644 Documentation/devicetree/bindings/sound/ak5386.txt (limited to 'Documentation') diff --git a/Documentation/devicetree/bindings/sound/ak5386.txt b/Documentation/devicetree/bindings/sound/ak5386.txt new file mode 100644 index 0000000..dc3914f --- /dev/null +++ b/Documentation/devicetree/bindings/sound/ak5386.txt @@ -0,0 +1,19 @@ +AK5386 Single-ended 24-Bit 192kHz delta-sigma ADC + +This device has no control interface. + +Required properties: + + - compatible : "asahi-kasei,ak5386" + +Optional properties: + + - reset-gpio : a GPIO spec for the reset/power down pin. + If specified, it will be deasserted at probe time. + +Example: + +spdif: ak5386@0 { + compatible = "asahi-kasei,ak5386"; + reset-gpio = <&gpio0 23>; +}; -- cgit v1.1 From 4fa89346fbc34750f96ec0c1b2b59b15596ab333 Mon Sep 17 00:00:00 2001 From: Daniel Mack <zonque@gmail.com> Date: Fri, 8 Mar 2013 13:52:09 +0100 Subject: ALSA: ASoC: add codec driver for TI TAS5086 This patch adds a driver for TI's TA5086 6-channel PWM processor. This chip has a very unusual register layout, specifically because the registers are of unequal size, and multi-byte registers require bulk writes to take effect. Regmap does not support these kind of mappings. Currently, the driver does not touch any of the registers >= 0x20, so it doesn't matter, because the register map is mapped to an 8-bit array. In case more features will be added in the future that require access to higher registers, the entire regmap H/W I/O routines have to be open-coded. Signed-off-by: Daniel Mack <zonque@gmail.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> --- .../devicetree/bindings/sound/ti,tas5086.txt | 32 ++++++++++++++++++++++ 1 file changed, 32 insertions(+) create mode 100644 Documentation/devicetree/bindings/sound/ti,tas5086.txt (limited to 'Documentation') diff --git a/Documentation/devicetree/bindings/sound/ti,tas5086.txt b/Documentation/devicetree/bindings/sound/ti,tas5086.txt new file mode 100644 index 0000000..8ea4f5b --- /dev/null +++ b/Documentation/devicetree/bindings/sound/ti,tas5086.txt @@ -0,0 +1,32 @@ +Texas Instruments TAS5086 6-channel PWM Processor + +Required properties: + + - compatible: Should contain "ti,tas5086". + - reg: The i2c address. Should contain <0x1b>. + +Optional properties: + + - reset-gpio: A GPIO spec to define which pin is connected to the + chip's !RESET pin. If specified, the driver will + assert a hardware reset at probe time. + + - ti,charge-period: This property should contain the time in microseconds + that closely matches the external single-ended + split-capacitor charge period. The hardware chip + waits for this period of time before starting the + PWM signals. This helps reduce pops and clicks. + + When not specified, the hardware default of 1300ms + is retained. + +Examples: + + i2c_bus { + tas5086@1b { + compatible = "ti,tas5086"; + reg = <0x1b>; + reset-gpio = <&gpio 23 0>; + ti,charge-period = <156000>; + }; + }; -- cgit v1.1 From 0c12582fbcdea0cbb0dfd224e1c5f9a8428ffa18 Mon Sep 17 00:00:00 2001 From: Julian Anastasov <ja@ssi.bg> Date: Sat, 9 Mar 2013 23:25:04 +0200 Subject: ipvs: add backup_only flag to avoid loops Dmitry Akindinov is reporting for a problem where SYNs are looping between the master and backup server when the backup server is used as real server in DR mode and has IPVS rules to function as director. Even when the backup function is enabled we continue to forward traffic and schedule new connections when the current master is using the backup server as real server. While this is not a problem for NAT, for DR and TUN method the backup server can not determine if a request comes from client or from director. To avoid such loops add new sysctl flag backup_only. It can be needed for DR/TUN setups that do not need backup and director function at the same time. When the backup function is enabled we stop any forwarding and pass the traffic to the local stack (real server mode). The flag disables the director function when the backup function is enabled. For setups that enable backup function for some virtual services and director function for other virtual services there should be another more complex solution to support DR/TUN mode, may be to assign per-virtual service syncid value, so that we can differentiate the requests. Reported-by: Dmitry Akindinov <dimak@stalker.com> Tested-by: German Myzovsky <lawyer@sipnet.ru> Signed-off-by: Julian Anastasov <ja@ssi.bg> Signed-off-by: Simon Horman <horms@verge.net.au> --- Documentation/networking/ipvs-sysctl.txt | 7 +++++++ 1 file changed, 7 insertions(+) (limited to 'Documentation') diff --git a/Documentation/networking/ipvs-sysctl.txt b/Documentation/networking/ipvs-sysctl.txt index f2a2488..9573d0c 100644 --- a/Documentation/networking/ipvs-sysctl.txt +++ b/Documentation/networking/ipvs-sysctl.txt @@ -15,6 +15,13 @@ amemthresh - INTEGER enabled and the variable is automatically set to 2, otherwise the strategy is disabled and the variable is set to 1. +backup_only - BOOLEAN + 0 - disabled (default) + not 0 - enabled + + If set, disable the director function while the server is + in backup mode to avoid packet loops for DR/TUN methods. + conntrack - BOOLEAN 0 - disabled (default) not 0 - enabled -- cgit v1.1 From 95d36075694b0431da22c3aef3d0dccdcc781344 Mon Sep 17 00:00:00 2001 From: Stephen Warren <swarren@nvidia.com> Date: Thu, 21 Mar 2013 13:56:41 -0600 Subject: ASoC: tegra: add Tegra114 support to the AHUB driver Tegra114's AHUB shares a design with Tegra30, with the followin changes: * Supports more (10 vs. 4) bi-directional FIFO channels into RAM. * Requires a separate block of registers to support the above. * Supports more attached clients, i.e. new audio multiplexing and de-multiplexing modules. * Is affected by more clocks due to the above. This change fully defines the device tree binding changes required to represent these changes, and minimally extends the driver to support the new hardware, without exposing any of the new FIFO channels. Signed-off-by: Stephen Warren <swarren@nvidia.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> --- .../bindings/sound/nvidia,tegra30-ahub.txt | 26 +++++++++++++++++----- 1 file changed, 21 insertions(+), 5 deletions(-) (limited to 'Documentation') diff --git a/Documentation/devicetree/bindings/sound/nvidia,tegra30-ahub.txt b/Documentation/devicetree/bindings/sound/nvidia,tegra30-ahub.txt index 1ac7b16..0e5c12c 100644 --- a/Documentation/devicetree/bindings/sound/nvidia,tegra30-ahub.txt +++ b/Documentation/devicetree/bindings/sound/nvidia,tegra30-ahub.txt @@ -1,12 +1,22 @@ NVIDIA Tegra30 AHUB (Audio Hub) Required properties: -- compatible : "nvidia,tegra30-ahub" +- compatible : "nvidia,tegra30-ahub", "nvidia,tegra114-ahub", etc. - reg : Should contain the register physical address and length for each of - the AHUB's APBIF registers and the AHUB's own registers. + the AHUB's register blocks. + - Tegra30 requires 2 entries, for the APBIF and AHUB/AUDIO register blocks. + - Tegra114 requires an additional entry, for the APBIF2 register block. - interrupts : Should contain AHUB interrupt -- nvidia,dma-request-selector : The Tegra DMA controller's phandle and - request selector for the first APBIF channel. +- nvidia,dma-request-selector : A list of the DMA channel specifiers. Each + entry contains the Tegra DMA controller's phandle and request selector. + If a single entry is present, the request selectors for the channels are + assumed to be contiguous, and increment from this value. + If multiple values are given, one value must be given per channel. +- clocks : Must contain an entry for each required entry in clock-names. +- clock-names : Must include the following entries: + - Tegra30: Requires d_audio, apbif, i2s0, i2s1, i2s2, i2s3, i2s4, dam0, + dam1, dam2, spdif_in. + - Tegra114: Additionally requires amx, adx. - ranges : The bus address mapping for the configlink register bus. Can be empty since the mapping is 1:1. - #address-cells : For the configlink bus. Should be <1>; @@ -25,7 +35,13 @@ ahub@70080000 { reg = <0x70080000 0x200 0x70080200 0x100>; interrupts = < 0 103 0x04 >; nvidia,dma-request-selector = <&apbdma 1>; - + clocks = <&tegra_car 106>, <&tegra_car 107>, <&tegra_car 30>, + <&tegra_car 11>, <&tegra_car 18>, <&tegra_car 101>, + <&tegra_car 102>, <&tegra_car 108>, <&tegra_car 109>, + <&tegra_car 110>, <&tegra_car 162>; + clock-names = "d_audio", "apbif", "i2s0", "i2s1", "i2s2", + "i2s3", "i2s4", "dam0", "dam1", "dam2", + "spdif_in"; ranges; #address-cells = <1>; #size-cells = <1>; -- cgit v1.1 From 8fc24426f15d967d585af7062b7be3c46bbce571 Mon Sep 17 00:00:00 2001 From: Takashi Iwai <tiwai@suse.de> Date: Thu, 4 Apr 2013 15:35:24 +0200 Subject: Revert "ALSA: hda - Allow power_save_controller option override DCAPS" This reverts commit 6ab317419c62850a71e2adfd1573e5ee87d8774f. The commit [6ab317419c: ALSA: hda - Allow power_save_controller option override DCAPS] changed the behavior of power_save_controller so that it can override the driver capability. This assumed that this option is rarely changed dynamically unlike power_save option. Too naive. It turned out that the user-space power-management tool tries to set power_save_controller option to 1 together with power_save option without knowing what's actually doing. This enabled forcibly the runtime PM of the controller, which is known to be broken om many chips thus disabled as default. So, the only sane fix is to revert this commit again. It was intended to ease debugging/testing for runtime PM enablement, but obviously we need another way for it. Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=56171 Reported-and-tested-by: Nikita Tsukanov <keks9n@gmail.com> Signed-off-by: Takashi Iwai <tiwai@suse.de> --- Documentation/sound/alsa/ALSA-Configuration.txt | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) (limited to 'Documentation') diff --git a/Documentation/sound/alsa/ALSA-Configuration.txt b/Documentation/sound/alsa/ALSA-Configuration.txt index 4499bd9..95731a0 100644 --- a/Documentation/sound/alsa/ALSA-Configuration.txt +++ b/Documentation/sound/alsa/ALSA-Configuration.txt @@ -890,9 +890,8 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed. enable_msi - Enable Message Signaled Interrupt (MSI) (default = off) power_save - Automatic power-saving timeout (in second, 0 = disable) - power_save_controller - Support runtime D3 of HD-audio controller - (-1 = on for supported chip (default), false = off, - true = force to on even for unsupported hardware) + power_save_controller - Reset HD-audio controller in power-saving mode + (default = on) align_buffer_size - Force rounding of buffer/period sizes to multiples of 128 bytes. This is more efficient in terms of memory access but isn't required by the HDA spec and prevents -- cgit v1.1