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325 lines
9.5 KiB
325 lines
9.5 KiB
4 months ago
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/*
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* Copyright (c) 2012, Code Aurora Forum. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials provided
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* with the distribution.
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* * Neither the name of Code Aurora Forum, Inc. nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
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* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
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* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
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* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/ioctl.h>
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#include <sys/stat.h>
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#include <linux/ioctl.h>
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#include <fcntl.h>
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#include <string.h>
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#include <stdio.h>
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#include <errno.h>
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#include <stdlib.h>
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#include "alsa_ucm.h"
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#include "msm8960_use_cases.h"
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/* Function prototypes */
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static void print_help_menu(void);
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static void alsaucm_test_cmd_svr(void);
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static int process_cmd(char *cmdStr);
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/* Global data */
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snd_use_case_mgr_t *uc_mgr;
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/* Defines */
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enum ucm_cmd_id {
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UCM_OPEN = 0,
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UCM_SET,
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UCM_LISTCARDS,
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UCM_LIST,
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UCM_GET,
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UCM_GETI,
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UCM_RESET,
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UCM_RELOAD,
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UCM_HELP,
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UCM_QUIT,
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UCM_UNKNOWN
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};
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struct cmd {
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enum ucm_cmd_id code;
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const char *cmd_str;
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};
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static struct cmd cmds[] = {
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{ UCM_OPEN, "open" },
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{ UCM_SET, "set" },
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{ UCM_LISTCARDS, "listcards" },
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{ UCM_LIST, "list" },
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{ UCM_GET, "get" },
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{ UCM_GETI, "geti" },
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{ UCM_RESET, "reset" },
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{ UCM_RELOAD, "reload" },
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{ UCM_HELP, "help" },
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{ UCM_QUIT, "quit" },
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{ UCM_UNKNOWN, NULL }
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};
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static void alsaucm_test_cmd_svr(void)
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{
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int fd;
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ssize_t read_count;
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char cmdstr[256] = {'\0'};
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char ch;
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char *exit_str = "quit";
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if (mknod("/data/alsaucm_test", S_IFIFO | 0666, 0) == 0) {
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fd = open("/data/alsaucm_test", O_RDONLY);
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while (1) {
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read_count = read(fd, &ch, 1);
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if (read_count == 0) {
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sleep(2);
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continue;
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} else if (read_count < 0) {
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fprintf(stderr, "alsaucm_test: error reading cmd\n");
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break;
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}
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if (ch != '\n') {
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strlcat(cmdstr, &ch , (2+strlen(cmdstr)));
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continue;
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} else {
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if (!strncmp(cmdstr, exit_str, strlen(cmdstr))) {
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/* free UCM instace */
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if (uc_mgr) {
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snd_use_case_mgr_close(uc_mgr);
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uc_mgr = NULL;
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}
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break;
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} else {
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process_cmd(cmdstr);
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memset(cmdstr, 0, sizeof(cmdstr));
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}
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}
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}
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printf("alsaucm_test: exit server mode\n");
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close(fd);
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remove("/data/alsaucm_test");
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} else {
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fprintf(stderr, "alsaucm_test: Failed to create server\n");
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}
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}
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static void print_help_menu(void)
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{
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printf("\nAvailable commands:\n"
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" open NAME open card NAME\n"
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" reset reset sound card to default state\n"
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" reload reload configuration\n"
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" listcards list available cards\n"
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" list IDENTIFIER list command\n"
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" get IDENTIFIER get string value\n"
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" geti IDENTIFIER get integer value\n"
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" set IDENTIFIER VALUE set string value\n"
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" help help\n"
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" quit quit\n");
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}
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int main(int argc, char **argv)
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{
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char *help_str = "help";
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argc--;
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argv++;
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if (argc > 0) {
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if (!strncmp(argv[0], help_str, strlen(argv[0])))
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print_help_menu();
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} else
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alsaucm_test_cmd_svr();
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return 0;
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}
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static int process_cmd(char *cmdStr)
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{
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const char **list = NULL , *str = NULL;
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long lval;
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int err, i;
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char *command = NULL;
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int count = 0;
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char *identifier = NULL, *value = NULL;
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struct cmd *cmd = NULL;
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command = strtok_r(cmdStr, " ", &value);
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identifier = strtok_r(NULL, " ", &value);
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if (command == NULL) {
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fprintf(stderr, "NULL pointer encountered. Invalid value for command");
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return -1;
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}
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for (cmd = cmds; cmd->cmd_str != NULL; cmd++) {
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if (strncmp(cmd->cmd_str, command, strlen(cmd->cmd_str)) == 0)
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break;
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}
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if (cmd->cmd_str == NULL) {
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fprintf(stderr, "Unknown command '%s'\n", command);
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return -EINVAL;
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}
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if ((identifier == NULL) && ((cmd->code != UCM_HELP) &&
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(cmd->code != UCM_LISTCARDS) && (cmd->code != UCM_RESET) &&
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(cmd->code != UCM_RELOAD)))
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{
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fprintf(stderr, "NULL pointer encountered. Invalid value for identifier");
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return -1;
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}
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switch (cmd->code) {
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case UCM_HELP:
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print_help_menu();
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break;
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case UCM_OPEN:
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if (uc_mgr) {
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snd_use_case_mgr_close(uc_mgr);
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uc_mgr = NULL;
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}
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err = snd_use_case_mgr_open(&uc_mgr, identifier);
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if (err < 0) {
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fprintf(stderr, "%s: error failed to open sound card %s: %d\n", cmd->cmd_str, identifier, err);
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return err;
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}
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snd_use_case_mgr_wait_for_parsing(uc_mgr);
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break;
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case UCM_LISTCARDS:
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err = snd_use_case_card_list(&list);
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if (err < 0) {
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fprintf(stderr, "%s: error failed to get card list: %d\n", cmd->cmd_str, err);
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return err;
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}
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if (err == 0) {
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printf("list is empty\n");
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return 0;
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}
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for (i = 0; i < err; i++)
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printf(" %i: %s\n", i+1, list[i]);
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snd_use_case_free_list(list, err);
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break;
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case UCM_RESET:
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if (!uc_mgr) {
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fprintf(stderr, "No card is opened before. %s command can't be executed\n", cmd->cmd_str);
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return -EINVAL;
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}
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err = snd_use_case_mgr_reset(uc_mgr);
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if (err < 0) {
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fprintf(stderr, "%s: error failed to reset sound card %d\n", cmd->cmd_str, err);
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return err;
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}
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break;
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case UCM_RELOAD:
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if (!uc_mgr) {
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fprintf(stderr, "No card is opened before. %s command can't be executed\n", cmd->cmd_str);
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return -EINVAL;
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}
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err = snd_use_case_mgr_reload(uc_mgr);
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if (err < 0) {
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fprintf(stderr, "%s: error failed to reload manager %d\n", cmd->cmd_str, err);
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return err;
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}
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break;
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case UCM_LIST:
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if (!uc_mgr) {
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fprintf(stderr, "No card is opened before. %s command can't be executed\n", cmd->cmd_str);
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return -EINVAL;
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}
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err = snd_use_case_get_list(uc_mgr, identifier, &list);
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if (err < 0) {
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fprintf(stderr, "%s: error failed to get list %s: %d\n", cmd->cmd_str, identifier, err);
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return err;
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}
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if (err == 0) {
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printf("list is empty\n");
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return 0;
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}
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for (i = 0; i < err; i++) {
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printf(" %i: %s\n", i+1, list[i]);
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}
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snd_use_case_free_list(list, err);
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break;
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case UCM_SET:
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if (!uc_mgr) {
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fprintf(stderr, "No card is opened before. %s command can't be executed\n", cmd->cmd_str);
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return -EINVAL;
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}
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err = snd_use_case_set(uc_mgr, identifier, value);
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if (err < 0) {
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fprintf(stderr, "%s: error failed to set %s=%s: %d\n", cmd->cmd_str, identifier, value, err);
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return err;
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}
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break;
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case UCM_GET:
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if (!uc_mgr) {
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fprintf(stderr, "No card is opened before. %s command can't be executed\n", cmd->cmd_str);
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return -EINVAL;
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}
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err = snd_use_case_get(uc_mgr, identifier, &str);
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if (err < 0) {
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fprintf(stderr, "%s: error failed to get %s: %d\n", cmd->cmd_str, identifier, err);
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return err;
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}
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printf(" %s=%s\n", identifier, str);
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free((void *)str);
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break;
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case UCM_GETI:
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if (!uc_mgr) {
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fprintf(stderr, "No card is opened before. %s command can't be executed\n", cmd->cmd_str);
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return -EINVAL;
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}
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err = snd_use_case_geti(uc_mgr, identifier, &lval);
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if (err < 0) {
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fprintf(stderr, "%s: error failed to get integer %s: %d\n", cmd->cmd_str, identifier, err);
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return lval;
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}
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printf(" %s=%li\n", identifier, lval);
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break;
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default:
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break;
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}
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return 0;
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}
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