Merge "dsp: Avoid configuring PSPD channel mixer if PSPD is already configured" (3eeaa1ee) · Commits · e / devices / android_kernel_oneplus_sm7250

dsp/q6adm.c

+12 −1

Original line number	Diff line number	Diff line
		// SPDX-License-Identifier: GPL-2.0-only
		/*
		* Copyright (c) 2012-2019, The Linux Foundation. All rights reserved.
		* Copyright (c) 2012-2020, The Linux Foundation. All rights reserved.
		*/
		#include <linux/module.h>
		#include <linux/slab.h>
		@@ -513,6 +513,17 @@ int adm_programable_channel_mixer(int port_id, int copp_idx, int session_id,
		pr_err("%s: Invalid port_id %#x\n", __func__, port_id);
		return -EINVAL;
		}

		/*
		* check if PSPD is already configured
		* if it is configured already, return 0 without applying PSPD.
		*/
		if (atomic_read(&this_adm.copp.cnt[port_idx][copp_idx]) > 1) {
		pr_debug("%s: copp.cnt:%#x\n", __func__,
		atomic_read(&this_adm.copp.cnt[port_idx][copp_idx]));
		return 0;
		}

		/*
		* First 8 bytes are 4 bytes as rule number, 2 bytes as output
		* channel and 2 bytes as input channel.