hal: add support to get device map from xml file
Add support to get device channel map from platform
info xml file and configure ADM with custom channel map
based on the end hardware channel mapping.
Change-Id: Ibc739824f11cf2f8d4ad9755a120edbe58036947
diff --git a/hal/msm8974/platform.c b/hal/msm8974/platform.c
index 8ce00f3..99c0383 100755
--- a/hal/msm8974/platform.c
+++ b/hal/msm8974/platform.c
@@ -140,6 +140,7 @@
* device for voice usecase
*/
#define AUDIO_PARAMETER_KEY_DP_FOR_VOICE_USECASE "dp_for_voice"
+#define AUDIO_PARAMETER_KEY_SPKR_DEVICE_CHMAP "spkr_device_chmap"
#define EVENT_EXTERNAL_SPK_1 "qc_ext_spk_1"
#define EVENT_EXTERNAL_SPK_2 "qc_ext_spk_2"
@@ -283,6 +284,12 @@
bool is_asrc_supported;
struct listnode acdb_meta_key_list;
bool use_generic_handset;
+ struct spkr_device_chmap *spkr_ch_map;
+};
+
+struct spkr_device_chmap {
+ int num_ch;
+ char chmap[AUDIO_CHANNEL_COUNT_MAX];
};
static int pcm_device_table[AUDIO_USECASE_MAX][2] = {
@@ -2075,6 +2082,7 @@
my_data->hw_dep_fd = -1;
my_data->mono_speaker = SPKR_1;
my_data->speaker_lr_swap = false;
+ my_data->spkr_ch_map = NULL;
be_dai_name_table = NULL;
@@ -2582,6 +2590,11 @@
my_data->adev->mixer = NULL;
}
+ if (my_data->spkr_ch_map) {
+ free(my_data->spkr_ch_map);
+ my_data->spkr_ch_map = NULL;
+ }
+
int32_t idx;
for (idx = 0; idx < MAX_CODEC_BACKENDS; idx++) {
@@ -4930,6 +4943,46 @@
}
}
+static void platform_spkr_device_set_params(struct platform_data *platform,
+ struct str_parms *parms,
+ char *value, int len)
+{
+ int err = 0, i = 0, num_ch = 0;
+ char *test_r = NULL;
+ char *opts = NULL;
+ char *ch_count = NULL;
+
+ err = str_parms_get_str(parms, AUDIO_PARAMETER_KEY_SPKR_DEVICE_CHMAP,
+ value, len);
+ if (err >= 0) {
+ platform->spkr_ch_map = calloc(1, sizeof(struct spkr_device_chmap));
+ if (!platform->spkr_ch_map) {
+ ALOGE("%s: failed to allocate mem for adm channel map\n", __func__);
+ str_parms_del(parms, AUDIO_PARAMETER_KEY_SPKR_DEVICE_CHMAP);
+ return ;
+ }
+
+ ch_count = strtok_r(value, ", ", &test_r);
+ if (ch_count == NULL) {
+ ALOGE("%s: incorrect ch_map\n", __func__);
+ free(platform->spkr_ch_map);
+ platform->spkr_ch_map = NULL;
+ str_parms_del(parms, AUDIO_PARAMETER_KEY_SPKR_DEVICE_CHMAP);
+ return;
+ }
+
+ num_ch = atoi(ch_count);
+ if ((num_ch > 0) && (num_ch <= AUDIO_CHANNEL_COUNT_MAX) ) {
+ platform->spkr_ch_map->num_ch = num_ch;
+ for (i = 0; i < num_ch; i++) {
+ opts = strtok_r(NULL, ", ", &test_r);
+ platform->spkr_ch_map->chmap[i] = strtoul(opts, NULL, 16);
+ }
+ }
+ str_parms_del(parms, AUDIO_PARAMETER_KEY_SPKR_DEVICE_CHMAP);
+ }
+}
+
int platform_set_parameters(void *platform, struct str_parms *parms)
{
struct platform_data *my_data = (struct platform_data *)platform;
@@ -5071,6 +5124,7 @@
audio_extn_hfp_set_parameters(adev, parms);
perf_lock_set_params(platform, parms, value, len);
true_32_bit_set_params(parms, value, len);
+ platform_spkr_device_set_params(platform, parms, value, len);
done:
ALOGV("%s: exit with code(%d)", __func__, ret);
if(kv_pairs != NULL)
@@ -6265,6 +6319,11 @@
backend_cfg.sample_rate, backend_cfg.channels, backend_idx, usecase->id,
platform_get_snd_device_name(snd_device));
+ if ((my_data->spkr_ch_map != NULL) &&
+ (platform_get_backend_index(snd_device) == DEFAULT_CODEC_BACKEND))
+ platform_set_channel_map(my_data, my_data->spkr_ch_map->num_ch,
+ my_data->spkr_ch_map->chmap, -1);
+
if (platform_split_snd_device(my_data, snd_device, &num_devices,
new_snd_devices) < 0)
new_snd_devices[0] = snd_device;