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Commit 89ea3bd9 authored by Dhananjay Kumar's avatar Dhananjay Kumar
Browse files

hal: add support for dolby license validation 

Add dolby audio_extn API's to set dolby license.
License needs to be set with dsp everytime it is loaded.

Change-Id: I21d58a21d65c823469d066f4ba5edc5b2660ea1e
parent e1be46f9

hal/audio_extn/audio_extn.h

+2 −0
Original line number Diff line number Diff line
@@ -211,8 +211,10 @@ void audio_extn_compr_cap_deinit(); 


#if defined(DS1_DOLBY_DDP_ENABLED) || defined(DS1_DOLBY_DAP_ENABLED)

void audio_extn_dolby_set_dmid(struct audio_device *adev);

void audio_extn_dolby_set_license(struct audio_device *adev);

#else

#define audio_extn_dolby_set_dmid(adev)                 (0)

#define audio_extn_dolby_set_license(adev)              (0)

#endif



#ifndef DS1_DOLBY_DDP_ENABLED

hal/audio_extn/dolby.c

+34 −0
Original line number Diff line number Diff line
@@ -287,6 +287,15 @@ void audio_extn_ddp_set_parameters(struct audio_device *adev, 
    int ddp_dev, dev_ch_cap;

    int val, ret;

    char value[32]={0};



    ret = str_parms_get_str(parms, AUDIO_PARAMETER_KEY_SND_CARD_STATUS, value,

                            sizeof(value));

    if (ret >= 0) {

        char *snd_card_status = value + 2;

        if (strncmp(snd_card_status, "ONLINE", sizeof("ONLINE")) == 0)

            audio_extn_dolby_set_license(adev);

    }



    ret = str_parms_get_str(parms, AUDIO_PARAMETER_DDP_DEV, value,

                            sizeof(value));

    if (ret >= 0) {
@@ -470,4 +479,29 @@ void audio_extn_dolby_set_dmid(struct audio_device *adev) 


    return;

}



void audio_extn_dolby_set_license(struct audio_device *adev)

{

    int ret, key=0;

    char value[128] = {0};

    struct mixer_ctl *ctl;

    const char *mixer_ctl_name = "DS1 License";



    ctl = mixer_get_ctl_by_name(adev->mixer, mixer_ctl_name);

    if (!ctl) {

        ALOGE("%s: Could not get ctl for mixer cmd - %s",

              __func__, mixer_ctl_name);

        return;

    }



    property_get("audio.ds1.metainfo.key",value,"0");

    key = atoi(value);



    ALOGV("%s Setting DS1 License, key:0x%x",__func__, key);

    ret = mixer_ctl_set_value(ctl, 0, key);

    if (ret)

        ALOGE("%s: cannot set license, error:%d",__func__, ret);



    return;

}

#endif /* DS1_DOLBY_DDP_ENABLED || DS1_DOLBY_DAP_ENABLED */

hal/msm8916/platform.c

+3 −0
Original line number Diff line number Diff line
@@ -706,6 +706,9 @@ void *platform_init(struct audio_device *adev) 
    /* Read one time ssr property */

    audio_extn_ssr_update_enabled();

    audio_extn_spkr_prot_init(adev);



    audio_extn_dolby_set_license(adev);



    return my_data;

}

hal/msm8974/platform.c

+3 −0
Original line number Diff line number Diff line
@@ -785,6 +785,9 @@ void *platform_init(struct audio_device *adev) 
    /* Read one time ssr property */

    audio_extn_ssr_update_enabled();

    audio_extn_spkr_prot_init(adev);



    audio_extn_dolby_set_license(adev);



    return my_data;

}