--- /dev/null
+Copyright (C) 2013 Intel Corporation. All rights reserved.
+
+ Apache License
+ Version 2.0, January 2004
+ http://www.apache.org/licenses/
+
+ TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
+
+ 1. Definitions.
+
+ "License" shall mean the terms and conditions for use, reproduction,
+ and distribution as defined by Sections 1 through 9 of this document.
+
+ "Licensor" shall mean the copyright owner or entity authorized by
+ the copyright owner that is granting the License.
+
+ "Legal Entity" shall mean the union of the acting entity and all
+ other entities that control, are controlled by, or are under common
+ control with that entity. For the purposes of this definition,
+ "control" means (i) the power, direct or indirect, to cause the
+ direction or management of such entity, whether by contract or
+ otherwise, or (ii) ownership of fifty percent (50%) or more of the
+ outstanding shares, or (iii) beneficial ownership of such entity.
+
+ "You" (or "Your") shall mean an individual or Legal Entity
+ exercising permissions granted by this License.
+
+ "Source" form shall mean the preferred form for making modifications,
+ including but not limited to software source code, documentation
+ source, and configuration files.
+
+ "Object" form shall mean any form resulting from mechanical
+ transformation or translation of a Source form, including but
+ not limited to compiled object code, generated documentation,
+ and conversions to other media types.
+
+ "Work" shall mean the work of authorship, whether in Source or
+ Object form, made available under the License, as indicated by a
+ copyright notice that is included in or attached to the work
+ (an example is provided in the Appendix below).
+
+ "Derivative Works" shall mean any work, whether in Source or Object
+ form, that is based on (or derived from) the Work and for which the
+ editorial revisions, annotations, elaborations, or other modifications
+ represent, as a whole, an original work of authorship. For the purposes
+ of this License, Derivative Works shall not include works that remain
+ separable from, or merely link (or bind by name) to the interfaces of,
+ the Work and Derivative Works thereof.
+
+ "Contribution" shall mean any work of authorship, including
+ the original version of the Work and any modifications or additions
+ to that Work or Derivative Works thereof, that is intentionally
+ submitted to Licensor for inclusion in the Work by the copyright owner
+ or by an individual or Legal Entity authorized to submit on behalf of
+ the copyright owner. For the purposes of this definition, "submitted"
+ means any form of electronic, verbal, or written communication sent
+ to the Licensor or its representatives, including but not limited to
+ communication on electronic mailing lists, source code control systems,
+ and issue tracking systems that are managed by, or on behalf of, the
+ Licensor for the purpose of discussing and improving the Work, but
+ excluding communication that is conspicuously marked or otherwise
+ designated in writing by the copyright owner as "Not a Contribution."
+
+ "Contributor" shall mean Licensor and any individual or Legal Entity
+ on behalf of whom a Contribution has been received by Licensor and
+ subsequently incorporated within the Work.
+
+ 2. Grant of Copyright License. Subject to the terms and conditions of
+ this License, each Contributor hereby grants to You a perpetual,
+ worldwide, non-exclusive, no-charge, royalty-free, irrevocable
+ copyright license to reproduce, prepare Derivative Works of,
+ publicly display, publicly perform, sublicense, and distribute the
+ Work and such Derivative Works in Source or Object form.
+
+ 3. Grant of Patent License. Subject to the terms and conditions of
+ this License, each Contributor hereby grants to You a perpetual,
+ worldwide, non-exclusive, no-charge, royalty-free, irrevocable
+ (except as stated in this section) patent license to make, have made,
+ use, offer to sell, sell, import, and otherwise transfer the Work,
+ where such license applies only to those patent claims licensable
+ by such Contributor that are necessarily infringed by their
+ Contribution(s) alone or by combination of their Contribution(s)
+ with the Work to which such Contribution(s) was submitted. If You
+ institute patent litigation against any entity (including a
+ cross-claim or counterclaim in a lawsuit) alleging that the Work
+ or a Contribution incorporated within the Work constitutes direct
+ or contributory patent infringement, then any patent licenses
+ granted to You under this License for that Work shall terminate
+ as of the date such litigation is filed.
+
+ 4. Redistribution. You may reproduce and distribute copies of the
+ Work or Derivative Works thereof in any medium, with or without
+ modifications, and in Source or Object form, provided that You
+ meet the following conditions:
+
+ (a) You must give any other recipients of the Work or
+ Derivative Works a copy of this License; and
+
+ (b) You must cause any modified files to carry prominent notices
+ stating that You changed the files; and
+
+ (c) You must retain, in the Source form of any Derivative Works
+ that You distribute, all copyright, patent, trademark, and
+ attribution notices from the Source form of the Work,
+ excluding those notices that do not pertain to any part of
+ the Derivative Works; and
+
+ (d) If the Work includes a "NOTICE" text file as part of its
+ distribution, then any Derivative Works that You distribute must
+ include a readable copy of the attribution notices contained
+ within such NOTICE file, excluding those notices that do not
+ pertain to any part of the Derivative Works, in at least one
+ of the following places: within a NOTICE text file distributed
+ as part of the Derivative Works; within the Source form or
+ documentation, if provided along with the Derivative Works; or,
+ within a display generated by the Derivative Works, if and
+ wherever such third-party notices normally appear. The contents
+ of the NOTICE file are for informational purposes only and
+ do not modify the License. You may add Your own attribution
+ notices within Derivative Works that You distribute, alongside
+ or as an addendum to the NOTICE text from the Work, provided
+ that such additional attribution notices cannot be construed
+ as modifying the License.
+
+ You may add Your own copyright statement to Your modifications and
+ may provide additional or different license terms and conditions
+ for use, reproduction, or distribution of Your modifications, or
+ for any such Derivative Works as a whole, provided Your use,
+ reproduction, and distribution of the Work otherwise complies with
+ the conditions stated in this License.
+
+ 5. Submission of Contributions. Unless You explicitly state otherwise,
+ any Contribution intentionally submitted for inclusion in the Work
+ by You to the Licensor shall be under the terms and conditions of
+ this License, without any additional terms or conditions.
+ Notwithstanding the above, nothing herein shall supersede or modify
+ the terms of any separate license agreement you may have executed
+ with Licensor regarding such Contributions.
+
+ 6. Trademarks. This License does not grant permission to use the trade
+ names, trademarks, service marks, or product names of the Licensor,
+ except as required for reasonable and customary use in describing the
+ origin of the Work and reproducing the content of the NOTICE file.
+
+ 7. Disclaimer of Warranty. Unless required by applicable law or
+ agreed to in writing, Licensor provides the Work (and each
+ Contributor provides its Contributions) on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
+ implied, including, without limitation, any warranties or conditions
+ of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A
+ PARTICULAR PURPOSE. You are solely responsible for determining the
+ appropriateness of using or redistributing the Work and assume any
+ risks associated with Your exercise of permissions under this License.
+
+ 8. Limitation of Liability. In no event and under no legal theory,
+ whether in tort (including negligence), contract, or otherwise,
+ unless required by applicable law (such as deliberate and grossly
+ negligent acts) or agreed to in writing, shall any Contributor be
+ liable to You for damages, including any direct, indirect, special,
+ incidental, or consequential damages of any character arising as a
+ result of this License or out of the use or inability to use the
+ Work (including but not limited to damages for loss of goodwill,
+ work stoppage, computer failure or malfunction, or any and all
+ other commercial damages or losses), even if such Contributor
+ has been advised of the possibility of such damages.
+
+ 9. Accepting Warranty or Additional Liability. While redistributing
+ the Work or Derivative Works thereof, You may choose to offer,
+ and charge a fee for, acceptance of support, warranty, indemnity,
+ or other liability obligations and/or rights consistent with this
+ License. However, in accepting such obligations, You may act only
+ on Your own behalf and on Your sole responsibility, not on behalf
+ of any other Contributor, and only if You agree to indemnify,
+ defend, and hold each Contributor harmless for any liability
+ incurred by, or claims asserted against, such Contributor by reason
+ of your accepting any such warranty or additional liability.
+
+ END OF TERMS AND CONDITIONS
+
+ APPENDIX: How to apply the Apache License to your work.
+
+ To apply the Apache License to your work, attach the following
+ boilerplate notice, with the fields enclosed by brackets "[]"
+ replaced with your own identifying information. (Don't include
+ the brackets!) The text should be enclosed in the appropriate
+ comment syntax for the file format. We also recommend that a
+ file or class name and description of purpose be included on the
+ same "printed page" as the copyright notice for easier
+ identification within third-party archives.
+
+ Copyright [yyyy] [name of copyright owner]
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+
--- /dev/null
+lib_LTLIBRARIES = libsoundpluginhalmfld.la
+
+libsoundpluginhalmfld_la_SOURCES = src/audio_hal_plugin_mfld.c \
+ src/sound_card_control_mfld.c
+
+libsoundpluginhalmfld_la_CFLAGS = \
+ $(MMCOMMON_CFLAGS) \
+ -I$(srcdir)/include \
+ $(MMLOGSVR_CFLAGS) -DMMF_LOG_OWNER=0x020 -DMMF_DEBUG_PREFIX=\"MMF-SOUND\" \
+ $(AVSYSTEM_CFLAGS) \
+ $(ALSA_CFLAGS)
+
+libsoundpluginhalmfld_la_LIBADD = $(MMCOMMON_LIBS) \
+ $(MMLOGSVR_LIBS) \
+ $(AVSYSTEM_LIBS) \
+ $(ALSA_LIBS)
+
+install-exec-hook:
+ mkdir -p $(DESTDIR)$(libdir)/soundplugins
+ ln -sf /usr/lib/libsoundpluginhalmfld.so $(DESTDIR)$(libdir)/soundplugins/libsoundpluginhalmfld.so
+
--- /dev/null
+aclocal
+libtoolize --copy -f
+autoheader
+autoconf
+automake --add-missing --copy --foreign
--- /dev/null
+AC_PREREQ(2.52)
+
+AC_INIT([sound-plugin-hal-mfld-blackbay], [0.1])
+AM_INIT_AUTOMAKE([-Wall -Werror foreign])
+AC_CONFIG_HEADERS([config.h:config.hin])
+
+AC_CONFIG_MACRO_DIR([m4])
+
+# Checks for programs.
+AC_PROG_CC
+AC_C_CONST
+dnl AC_FUNC_MALLOC
+AC_FUNC_MMAP
+AC_FUNC_REALLOC
+AC_FUNC_SELECT_ARGTYPES
+AC_FUNC_STAT
+AC_FUNC_VPRINTF
+AC_HEADER_STDBOOL
+AC_HEADER_STDC
+AC_HEADER_TIME
+AC_PROG_GCC_TRADITIONAL
+AC_PROG_LIBTOOL
+
+# Checks for libraries.
+PKG_CHECK_MODULES(AVSYSTEM, avsysaudio)
+AC_SUBST(AVSYSTEM_CFLAGS)
+AC_SUBST(AVSYSTEM_LIBS)
+
+PKG_CHECK_MODULES(ALSA, alsa >= 1.0.15)
+AC_SUBST(ALSA_CFLAGS)
+AC_SUBST(ALSA_LIBS)
+
+PKG_CHECK_MODULES(MMCOMMON, mm-common)
+AC_SUBST(MMCOMMON_CFLAGS)
+AC_SUBST(MMCOMMON_LIBS)
+
+PKG_CHECK_MODULES(MMSOUND,mm-sound)
+AC_SUBST(MMSOUND_CFLAGS)
+AC_SUBST(MMSOUND_LIBS)
+
+if [test "x$IS_SDK" = "xyes"];
+then
+echo "SDK build does not use mm-log"
+else
+PKG_CHECK_MODULES(MMLOG, mm-log)
+AC_SUBST(MMLOG_CFLAGS)
+AC_SUBST(MMLOG_LIBS)
+fi
+
+# Checks for header files.
+AC_HEADER_STDC
+AC_CHECK_HEADERS([fcntl.h memory.h stdlib.h string.h sys/time.h unistd.h errno.h sys/types.h sys/stat.h])
+
+# Checks for typedefs, structures, and compiler characteristics.
+AC_C_CONST
+AC_TYPE_PID_T
+AC_TYPE_SIZE_T
+
+# Checks for library functions.
+AC_FUNC_ALLOCA
+AC_FUNC_FORK
+AC_FUNC_MALLOC
+AC_FUNC_MEMCMP
+AC_FUNC_SELECT_ARGTYPES
+AC_TYPE_SIGNAL
+AC_CHECK_FUNCS([memset select])
+AC_CONFIG_FILES([
+Makefile
+])
+AC_OUTPUT
--- /dev/null
+/*
+* sound-plugin-hal-mfld-blackbay
+*
+* Copyright (C) 2013 Intel Corporation. All rights reserved.
+*
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+* http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*
+*/
+
+typedef enum {
+ MODE_NORMAL = 0,
+ MODE_RINGTONE,
+ MODE_IN_CALL,
+ MODE_IN_COMMUNICATION
+} mode_t;
--- /dev/null
+/*
+* sound-plugin-hal-mfld-blackbay
+*
+* Copyright (C) 2013 Intel Corporation. All rights reserved.
+*
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+* http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*
+*/
+
+int set_dual_out (void);
--- /dev/null
+Name: sound-plugin-hal-mfld-blackbay
+Summary: Audio HAL plugin for mfld blackbay
+Version: 0.1
+Release: 1
+Group: System/Libraries
+License: Apache-2.0
+Source0: %{name}-%{version}.tar.gz
+Requires(post): /sbin/ldconfig
+Requires(postun): /sbin/ldconfig
+BuildRequires: pkgconfig(mm-common)
+BuildRequires: pkgconfig(mm-log)
+BuildRequires: pkgconfig(mm-sound)
+BuildRequires: pkgconfig(avsystem)
+BuildRequires: pkgconfig(alsa)
+
+%description
+Audio HAL plugin package for mfld blackbay
+
+%prep
+%setup -q
+
+%build
+./autogen.sh
+CFLAGS+=" -DEXPORT_API=\"__attribute__((visibility(\\\"default\\\")))\""; export CFLAGS
+%configure --prefix=/usr
+make %{?_smp_mflags}
+
+%install
+%make_install
+
+%post
+/sbin/ldconfig
+
+%postun
+/sbin/ldconfig
+
+
+%files
+%defattr(-,root,root,-)
+%{_libdir}/libsoundpluginhalmfld.so*
+%{_libdir}/soundplugins/libsoundpluginhalmfld.so
--- /dev/null
+/*
+* sound-plugin-hal-mfld-blackbay
+*
+* Copyright (C) 2013 Intel Corporation. All rights reserved.
+*
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+* http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*
+*/
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <mm_error.h>
+#include <mm_debug.h>
+#include <mm_sound.h>
+#include <mm_sound_plugin_hal.h>
+#include <avsys-audio.h>
+
+#include <sys/types.h>
+#include <sys/wait.h>
+#include <unistd.h>
+
+#include "call_audio_mfld.h"
+#include "sound_card_control_mfld.h"
+
+#define DEVICE_API_BLUETOOTH "bluez"
+#define DEVICE_BUS_BLUETOOTH "bluetooth"
+#define DEVICE_BUS_USB "usb"
+#define DEVICE_API_ALSA "alsa"
+#define DEVICE_BUS_WIRED "wired"
+#define DEVICE_BUS_BUILTIN "builtin"
+
+#define DEVICE_API_MODEM "alsa_modem"
+#define DEVICE_BUS_MODEM "modem"
+
+static int prev_mode = MODE_NORMAL;
+static int current_mode = MODE_NORMAL;
+
+EXPORT_API
+int MMSoundGetPluginType(void)
+{
+ return MM_SOUND_PLUGIN_TYPE_HAL;
+}
+
+static int hal_plug_set_sound_path(int gain, int output, int input, int option)
+{
+ int ret = AUDIO_HAL_STATE_SUCCESS;
+ debug_fenter();
+ debug_log ("[Input Param] gain %d, out %d, in %d, opt 0x%x", gain, output, input, option);
+ /* Check the gain */
+ switch (gain)
+ {
+ case AVSYS_AUDIO_GAIN_EX_KEYTONE:
+ case AVSYS_AUDIO_GAIN_EX_ALARMTONE:
+ case AVSYS_AUDIO_GAIN_EX_AUDIOPLAYER:
+ case AVSYS_AUDIO_GAIN_EX_VIDEOPLAYER:
+ case AVSYS_AUDIO_GAIN_EX_CAMERA:
+ case AVSYS_AUDIO_GAIN_EX_GAME:
+ case AVSYS_AUDIO_GAIN_EX_RINGTONE:
+ case AVSYS_AUDIO_GAIN_EX_CALLTONE:
+ if (current_mode == MODE_IN_CALL) {
+ debug_log("MFLD: current mode is MODE_IN_CALL, skip audio path set");
+ return ret;
+ }
+ /* NORMAL mode */
+ /* Check dual_out option */
+ if (option & AVSYS_AUDIO_PATH_OPTION_DUAL_OUT) {
+ debug_log("MFLD: Set audio path to dual out");
+ ret = set_dual_out();
+ return ret;
+ /* Check output device */
+ } else if (output == AVSYS_AUDIO_PATH_EX_HEADSET) {
+ debug_log("MFLD: Set pulse default sink to wired_accessary");
+ MMSoundMgrPulseSetDefaultSink (DEVICE_API_ALSA, DEVICE_BUS_WIRED);
+ } else if (output == AVSYS_AUDIO_PATH_EX_SPK) {
+ debug_log("MFLD: Set pulse default sink to speaker");
+ MMSoundMgrPulseSetDefaultSink (DEVICE_API_ALSA, DEVICE_BUS_BUILTIN);
+ }
+ break;
+
+ /* recorder */
+ case AVSYS_AUDIO_GAIN_EX_VOICEREC:
+ case AVSYS_AUDIO_GAIN_EX_CAMCORDER:
+ break;
+
+ case AVSYS_AUDIO_GAIN_EX_VOICECALL:
+ debug_log("MFLD: Set call audio sound path to 0x%x", output);
+ /* release path */
+ if (output == AVSYS_AUDIO_PATH_EX_NONE && input == AVSYS_AUDIO_PATH_EX_NONE) {
+ prev_mode = current_mode;
+ current_mode = MODE_NORMAL;
+ } else if (current_mode != MODE_IN_CALL) {
+ prev_mode = current_mode;
+ current_mode = MODE_IN_CALL;
+ debug_log("MFLD: Set pulse default sink to modem for call audio mixing");
+ MMSoundMgrPulseSetDefaultSink (DEVICE_API_MODEM, DEVICE_BUS_MODEM);
+ }
+ debug_log("MFLD: prev_mode=%d, cur_mode=%d", prev_mode, current_mode);
+ break;
+
+ case AVSYS_AUDIO_GAIN_EX_VIDEOCALL:
+ case AVSYS_AUDIO_GAIN_EX_FMRADIO:
+ break;
+ }
+ /* Set Path (GAIN, OUT, IN) */
+ if (AVSYS_FAIL(avsys_audio_set_path_ex(gain, output, input, option))) {
+ debug_error("avsys_audio_set_path_ex failed\n");
+ ret = AUDIO_HAL_STATE_ERROR_INTERNAL;
+ }
+ debug_fleave();
+ return ret;
+}
+
+static int hal_plug_pulse_sink_route(int device)
+{
+ debug_fenter();
+ /* Pulseaudio sink route */
+ if (device & MM_SOUND_DEVICE_OUT_BT_A2DP) {
+ debug_log("MFLD: BT A2DP is active, Set pulse default sink to BLUEZ");
+ MMSoundMgrPulseSetDefaultSink (DEVICE_API_BLUETOOTH, DEVICE_BUS_BLUETOOTH);
+ return AUDIO_HAL_ROUTE_SUCCESS_AND_GOTOEND;
+ } else if (device & MM_SOUND_DEVICE_OUT_WFD) {
+#ifdef USE_PULSE_WFD /* Not enabled yet */
+ debug_log("MFLD: WFD is active, Set pulse default sink to WFD");
+ MMSoundMgrPulseSetDefaultSink (DEVICE_API_WFD, DEVICE_BUS_BUILTIN);
+ return AUDIO_HAL_ROUTE_SUCCESS_AND_GOTOEND;
+#endif
+ } else if (device & MM_SOUND_DEVICE_OUT_USB_AUDIO){
+ debug_log("MFLD: USB Audio is active, Set default sink to USB Audio");
+ MMSoundMgrPulseSetDefaultSink (DEVICE_API_ALSA, DEVICE_BUS_USB);
+ return AUDIO_HAL_ROUTE_SUCCESS_AND_GOTOEND;
+ }
+ debug_fleave();
+ return AUDIO_HAL_STATE_SUCCESS;
+}
+
+static int hal_plug_pulse_source_route(int device)
+{
+ return AUDIO_HAL_STATE_SUCCESS;
+}
+
+static int hal_plug_init()
+{
+ return AUDIO_HAL_STATE_SUCCESS;
+}
+
+static int hal_plug_fini()
+{
+ return AUDIO_HAL_STATE_SUCCESS;
+}
+
+EXPORT_API
+int MMSoundPlugHALGetInterface(mmsound_hal_interface_t *intf)
+{
+ debug_fenter ();
+ if(intf) {
+ intf->pulse_source_route = hal_plug_pulse_source_route;
+ intf->pulse_sink_route = hal_plug_pulse_sink_route;
+ intf->set_sound_path = hal_plug_set_sound_path;
+ intf->init=hal_plug_init;
+ intf->fini=hal_plug_fini;
+ }
+ debug_fleave ();
+ return AUDIO_HAL_STATE_SUCCESS;
+}
+
--- /dev/null
+/*
+ * sound-plugin-hal-mfld-blackbay
+ *
+ * Copyright (C) 2013 Intel Corporation. All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
+#include <alsa/asoundlib.h>
+#include <errno.h>
+#include <string.h>
+
+#include <mm_debug.h>
+#include <mm_error.h>
+
+const char * card = "hw:3";
+
+typedef struct {
+ snd_ctl_elem_info_t *info;
+ snd_ctl_elem_id_t *id;
+ snd_ctl_elem_value_t *control;
+}snd_stack_t;
+
+static int prepare_snd_ctl(snd_ctl_t *handle, snd_stack_t *stack,
+ snd_ctl_elem_type_t *type, unsigned int *count, int numid)
+{
+ int err = 0;
+ memset(stack->id, 0, snd_ctl_elem_id_sizeof());
+ memset(stack->info, 0, snd_ctl_elem_info_sizeof());
+ memset(stack->control, 0, snd_ctl_elem_value_sizeof());
+
+ /* Set interface */
+ snd_ctl_elem_id_set_interface(stack->id, SND_CTL_ELEM_IFACE_MIXER);
+
+ if (numid > 0)
+ snd_ctl_elem_id_set_numid(stack->id, numid);
+
+ /* init info id */
+ snd_ctl_elem_info_set_id(stack->info, stack->id);
+
+ /* get info */
+ err = snd_ctl_elem_info(handle, stack->info);
+ if (err < 0) {
+ debug_error("get info err : %s", snd_strerror(err));
+ return -1;
+ }
+
+ /* get type */
+ *type = snd_ctl_elem_info_get_type(stack->info);
+
+ /* get count */
+ *count = snd_ctl_elem_info_get_count(stack->info);
+
+ /* set value id */
+ snd_ctl_elem_value_set_id(stack->control, stack->id);
+ return 0;
+}
+
+static int sound_card_hw_io(int set_flag, snd_ctl_t *handle, snd_stack_t *stack,
+ snd_ctl_elem_type_t *type, unsigned int *count, int value, int *out_val)
+{
+ unsigned int idx;
+ long tmp;
+ int err = 0;
+
+ if (!set_flag) {
+ /* read element */
+ err = snd_ctl_elem_read(handle, stack->control);
+ if (err < 0) {
+ debug_error("read element err :%s", snd_strerror(err));
+ return -1;
+ }
+
+ for (idx = 0; idx < *count && idx < 128; idx++) {
+ switch (*type)
+ {
+ case SND_CTL_ELEM_TYPE_BOOLEAN:
+ *out_val = snd_ctl_elem_value_get_boolean(stack->control, idx);
+ break;
+ case SND_CTL_ELEM_TYPE_INTEGER:
+ *out_val = snd_ctl_elem_value_get_integer(stack->control, idx);
+ break;
+ case SND_CTL_ELEM_TYPE_INTEGER64:
+ *out_val = snd_ctl_elem_value_get_integer64(stack->control, idx);
+ break;
+ case SND_CTL_ELEM_TYPE_ENUMERATED:
+ *out_val = snd_ctl_elem_value_get_enumerated(stack->control, idx);
+ break;
+ case SND_CTL_ELEM_TYPE_BYTES:
+ *out_val = snd_ctl_elem_value_get_byte(stack->control, idx);
+ break;
+ default:
+ debug_error("Unknown control element type");
+ return -1;
+ }
+ debug_log("Read alsa element, idx=%d out_val=%d\n", idx, *out_val);
+ }
+ } else {
+ /* set value */
+ tmp = value;
+ for (idx = 0; idx < *count && idx < 128; idx++)
+ {
+ switch (*type)
+ {
+ case SND_CTL_ELEM_TYPE_BOOLEAN:
+ snd_ctl_elem_value_set_boolean(stack->control, idx, tmp);
+ break;
+ case SND_CTL_ELEM_TYPE_INTEGER:
+ snd_ctl_elem_value_set_integer(stack->control, idx, tmp);
+ break;
+ case SND_CTL_ELEM_TYPE_INTEGER64:
+ snd_ctl_elem_value_set_integer64(stack->control, idx, tmp);
+ break;
+ case SND_CTL_ELEM_TYPE_ENUMERATED:
+ snd_ctl_elem_value_set_enumerated(stack->control, idx, tmp);
+ break;
+ case SND_CTL_ELEM_TYPE_BYTES:
+ snd_ctl_elem_value_set_byte(stack->control, idx, tmp);
+ break;
+ default:
+ debug_error("Unknown control element type");
+ return -1;
+ }
+
+ debug_log("Write alsa element, idx=%u value=%ld\n", idx, tmp);
+ /* Write element */
+ err = snd_ctl_elem_write(handle, stack->control);
+ if (err < 0) {
+ debug_error("snd_ctl_elem_write err: %s", snd_strerror(err));
+ /* Close sound control */
+ return -1;
+ }
+ }
+ }
+ return 0;
+}
+
+static int sound_card_ctrl_get(int numid, int *out_val)
+{
+ snd_ctl_t *handle = NULL;
+ snd_stack_t stack;
+ snd_ctl_elem_type_t type;
+ unsigned int count;
+ int err = 0;
+
+ snd_ctl_elem_id_alloca(&(stack.id));
+ snd_ctl_elem_info_alloca(&(stack.info));
+ snd_ctl_elem_value_alloca(&(stack.control));
+
+ err = snd_ctl_open(&handle, card, 0);
+ if (err < 0) {
+ debug_error("control %s open err: %s", card, snd_strerror(err));
+ return -1;
+ }
+
+ err = prepare_snd_ctl(handle, &stack, &type, &count, numid);
+ if (err < 0) {
+ debug_error("prepare hw err:%d", err);
+ goto error;
+ }
+
+ err = sound_card_hw_io(0, handle, &stack, &type, &count, 0, out_val);
+ if (err < 0) {
+ debug_error("ctl hw io err:%d", err);
+ goto error;
+ }
+ snd_ctl_close(handle);
+ return 0;
+
+error:
+ snd_ctl_close(handle);
+ return -1;
+}
+
+static int sound_card_ctrl_set(int numid, int value)
+{
+ snd_ctl_t *handle = NULL;
+ snd_stack_t stack;
+ snd_ctl_elem_type_t type;
+ unsigned int count;
+ int err = 0;
+
+ snd_ctl_elem_id_alloca(&(stack.id));
+ snd_ctl_elem_info_alloca(&(stack.info));
+ snd_ctl_elem_value_alloca(&(stack.control));
+
+ err = snd_ctl_open(&handle, card, 0);
+ if (err < 0) {
+ debug_error("control %s open err: %s", card, snd_strerror(err));
+ return -1;
+ }
+
+ err = prepare_snd_ctl(handle, &stack, &type, &count, numid);
+ if (err < 0) {
+ debug_error("prepare hw err:%d", err);
+ goto error;
+ }
+
+ /* set value */
+ err = sound_card_hw_io(1, handle, &stack, &type, &count, value, NULL);
+ if (err < 0) {
+ debug_error("ctl hw io err%d", err);
+ goto error;
+ }
+ snd_ctl_close(handle);
+ return 0;
+
+error:
+ snd_ctl_close(handle);
+ return -1;
+}
+
+int set_dual_out(void )
+{
+ int err = 0;
+ int headset_route;
+
+ debug_fenter();
+ /* check if switching to headset: numid=34 "Headset Playback Route" */
+ err = sound_card_ctrl_get(34, &headset_route);
+ if (err < 0) {
+ debug_error("MFLD: failed to get alsa element for headset route");
+ return 1;
+ }
+
+ if (headset_route == 0) {
+ debug_log("MFLD: headset is inserted, set dual out");
+ /* set dual out: numid=35 "Speaker Mux Playback Route" 1,1 */
+ err = sound_card_ctrl_set(35, 1);
+ if (err < 0) {
+ debug_error("MFLD: failed to set alsa element for dual out");
+ return 1;
+ }
+ debug_log("MFLD: set dual out successfully");
+ }
+ else {
+ debug_log("MFLD: headset is not inserted, skip the set");
+ }
+
+ debug_fleave();
+ return 0;
+}
+