1 files changed, 0 insertions, 76 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
deleted file mode 100644
index 9290b3b9cb..0000000000
--- a/target/linux/layerscape/patches-5.4/801-audio-0047-MLK-17580-ASoC-fsl-dsd-Add-DSD-utilities-helper.patch
+++ /dev/null
@@ -1,76 +0,0 @@
-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 */