add audio

hc

2023-12-11 1f93a7dfd1f8d5ff7a5c53246c7534fe2332d6f4

 kernel/sound/soc/intel/atom/sst/sst_pvt.c
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@@ -1,3 +1,4 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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 /*
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  *  sst_pvt.c - Intel SST Driver for audio engine
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  *
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@@ -7,15 +8,6 @@
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  *		Dharageswari R <dharageswari.r@intel.com>
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  *		KP Jeeja <jeeja.kp@intel.com>
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  *  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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- *
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- *  This program is free software; you can redistribute it and/or modify
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- *  it under the terms of the GNU General Public License as published by
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- *  the Free Software Foundation; version 2 of the License.
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- *
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- *  This program is distributed in the hope that it will be useful, but
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- *  WITHOUT ANY WARRANTY; without even the implied warranty of
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- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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- *  General Public License for more details.
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  *
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  * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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  */
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@@ -34,7 +26,6 @@
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 #include <asm/platform_sst_audio.h>
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 #include "../sst-mfld-platform.h"
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 #include "sst.h"
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-#include "../../common/sst-dsp.h"
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 int sst_shim_write(void __iomem *addr, int offset, int value)
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 {
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@@ -166,7 +157,7 @@
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 {
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 	struct ipc_post *msg;
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-	msg = kzalloc(sizeof(struct ipc_post), GFP_ATOMIC);
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+	msg = kzalloc(sizeof(*msg), GFP_ATOMIC);
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 	if (!msg)
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 		return -ENOMEM;
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 	if (large) {
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@@ -196,7 +187,7 @@
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 		struct intel_sst_drv *sst_drv_ctx, struct sst_block **block,
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 		u32 msg_id, u32 drv_id)
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 {
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-	int retval = 0;
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+	int retval;
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 	retval = sst_create_ipc_msg(arg, large);
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 	if (retval)
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@@ -206,7 +197,7 @@
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 		kfree(*arg);
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 		return -ENOMEM;
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 	}
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-	return retval;
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+	return 0;
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 }
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 /*
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@@ -231,9 +222,9 @@
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 		size_t mbox_data_len, const void *mbox_data, void **data,
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 		bool large, bool fill_dsp, bool sync, bool response)
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 {
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+	struct sst_block *block = NULL;
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 	struct ipc_post *msg = NULL;
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 	struct ipc_dsp_hdr dsp_hdr;
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-	struct sst_block *block;
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 	int ret = 0, pvt_id;
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 	pvt_id = sst_assign_pvt_id(sst);