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authorYangbo Lu <yangbo.lu@nxp.com>2020-04-10 10:47:05 +0800
committerPetr Štetiar <ynezz@true.cz>2020-05-07 12:53:06 +0200
commitcddd4591404fb4c53dc0b3c0b15b942cdbed4356 (patch)
tree392c1179de46b0f804e3789edca19069b64e6b44 /target/linux/layerscape/patches-5.4/801-audio-0047-MLK-17580-ASoC-fsl-dsd-Add-DSD-utilities-helper.patch
parentd1d2c0b5579ea4f69a42246c9318539d61ba1999 (diff)
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layerscape: add patches-5.4
Add patches for linux-5.4. The patches are from NXP LSDK-20.04 release which was tagged LSDK-20.04-V5.4. https://source.codeaurora.org/external/qoriq/qoriq-components/linux/ For boards LS1021A-IOT, and Traverse-LS1043 which are not involved in LSDK, port the dts patches from 4.14. The patches are sorted into the following categories: 301-arch-xxxx 302-dts-xxxx 303-core-xxxx 701-net-xxxx 801-audio-xxxx 802-can-xxxx 803-clock-xxxx 804-crypto-xxxx 805-display-xxxx 806-dma-xxxx 807-gpio-xxxx 808-i2c-xxxx 809-jailhouse-xxxx 810-keys-xxxx 811-kvm-xxxx 812-pcie-xxxx 813-pm-xxxx 814-qe-xxxx 815-sata-xxxx 816-sdhc-xxxx 817-spi-xxxx 818-thermal-xxxx 819-uart-xxxx 820-usb-xxxx 821-vfio-xxxx Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
Diffstat (limited to 'target/linux/layerscape/patches-5.4/801-audio-0047-MLK-17580-ASoC-fsl-dsd-Add-DSD-utilities-helper.patch')
-rw-r--r--target/linux/layerscape/patches-5.4/801-audio-0047-MLK-17580-ASoC-fsl-dsd-Add-DSD-utilities-helper.patch76
1 files changed, 76 insertions, 0 deletions
diff --git a/target/linux/layerscape/patches-5.4/801-audio-0047-MLK-17580-ASoC-fsl-dsd-Add-DSD-utilities-helper.patch b/target/linux/layerscape/patches-5.4/801-audio-0047-MLK-17580-ASoC-fsl-dsd-Add-DSD-utilities-helper.patch
new file mode 100644
index 0000000000..9290b3b9cb
--- /dev/null
+++ b/target/linux/layerscape/patches-5.4/801-audio-0047-MLK-17580-ASoC-fsl-dsd-Add-DSD-utilities-helper.patch
@@ -0,0 +1,76 @@
+From e28e3e0d01c0fcb628e841977b51c45189b43f47 Mon Sep 17 00:00:00 2001
+From: Viorel Suman <viorel.suman@nxp.com>
+Date: Thu, 8 Mar 2018 14:37:30 +0200
+Subject: [PATCH] MLK-17580: ASoC: fsl: dsd: Add DSD utilities helper
+
+Add DSD utilities helper.
+
+Signed-off-by: Viorel Suman <viorel.suman@nxp.com>
+Reviewed-by: Shengjiu Wang <shengjiu.wang@nxp.com
+---
+ sound/soc/fsl/fsl_dsd.h | 59 +++++++++++++++++++++++++++++++++++++++++++++++++
+ 1 file changed, 59 insertions(+)
+ create mode 100644 sound/soc/fsl/fsl_dsd.h
+
+--- /dev/null
++++ b/sound/soc/fsl/fsl_dsd.h
+@@ -0,0 +1,59 @@
++/*
++ * Copyright 2018 NXP
++ *
++ * This program is free software; you can redistribute it and/or modify
++ * it under the terms of the GNU General Public License version 2 as
++ * published by the Free Software Foundation.
++ */
++
++#ifndef __FSL_DSD_H
++#define __FSL_DSD_H
++
++#include <linux/pinctrl/consumer.h>
++#include <sound/pcm_params.h>
++#include <sound/soc.h>
++
++static bool fsl_is_dsd(struct snd_pcm_hw_params *params)
++{
++ snd_pcm_format_t format = params_format(params);
++
++ switch (format) {
++ case SNDRV_PCM_FORMAT_DSD_U8:
++ case SNDRV_PCM_FORMAT_DSD_U16_LE:
++ case SNDRV_PCM_FORMAT_DSD_U16_BE:
++ case SNDRV_PCM_FORMAT_DSD_U32_LE:
++ case SNDRV_PCM_FORMAT_DSD_U32_BE:
++ return true;
++ default:
++ return false;
++ }
++}
++
++static struct pinctrl_state *fsl_get_pins_state(struct pinctrl *pinctrl,
++ struct snd_pcm_hw_params *params)
++{
++ int dsd_bclk;
++ struct pinctrl_state *state = 0;
++
++ if (fsl_is_dsd(params)) {
++ dsd_bclk = params_rate(params) * params_physical_width(params);
++
++ switch (dsd_bclk) {
++ case 22579200: /* DSD512 */
++ state = pinctrl_lookup_state(pinctrl, "dsd512");
++ break;
++ }
++
++ /* Get default DSD state */
++ if (IS_ERR_OR_NULL(state))
++ state = pinctrl_lookup_state(pinctrl, "dsd");
++ }
++
++ /* Get default state */
++ if (IS_ERR_OR_NULL(state))
++ state = pinctrl_lookup_state(pinctrl, "default");
++
++ return state;
++}
++
++#endif /* __FSL_DSD_H */