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Hosted PCM: Rework auto-muting code a bit

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* If AUDIOHW_MUTE_ON_PAUSE, no meaningful change
     * Unconditionally unmute on playback start
     * xduoox3ii:  Mute on sample rate change
     * rocker/xduoo:  Stay muted after startup

    This avoids the nasty "pop" on startup, without doing
    the full mute-on-pause stuff that causes unacceptable
    dropouts on the X3ii.

Change-Id: I2e3ee0bb8094e288f37a0acada86a80016ce5cac
This commit is contained in:
Solomon Peachy 2020-10-12 09:29:21 -04:00
parent 9ad30869b8
commit 141e91ef1f
5 changed files with 44 additions and 22 deletions
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2
firmware/drivers/audio/rocker_codec.c
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@ -70,7 +70,7 @@ void audiohw_postinit(void)
long int hp = 2;
/* Output port switch set to Headphones */
alsa_controls_set_ints("Output Port Switch", 1, &hp); /* Unmutes */
//alsa_controls_set_ints("Output Port Switch", 1, &hp); // Unmute happens on PCM start
}
void audiohw_close(void)