Capture hw mute indicator #5310
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January 27, 2025 23:34
Add enum for global kcontrol IDs and SOF_IPC4_KCONTROL_GLOBAL_CAPTURE_HW_MUTE in it. Signed-off-by: Jyri Sarha <[email protected]>
…rams Add SOF_IPC4_FW_GLOBAL_KCONTROL_MASK to fw_config_params. The purpose is to inform the driver which global kcontrols are supported by the FW. Signed-off-by: Jyri Sarha <[email protected]>
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Implement global kcontrol concept and add capture hw mute indicator implementation in it. Signed-off-by: Jyri Sarha <[email protected]>
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February 5, 2025 16:21
…cator This is inteded for driving the mute indicator following dsp power state. If dsp is powerred down the capture muted state should be indicated. Signed-off-by: Jyri Sarha <[email protected]>
Force global capture hw mute to muted state when DSP is powered down. This is done by calling snd_ipc4_global_capture_hw_mute_force() from hda_dsp_set_power_state_ipc4(). Signed-off-by: Jyri Sarha <[email protected]>
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Now the PR contains also the code force the capture hw mute indicator to muted state, when DSP is powered down. |
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There are some missing pieces in this code, but I wanted to make it available before I go to short vacation in the end of the week. The missing pieces are:
To test the code, this SOF draft PR can be used: #5310
When integrating the pieces to SOF mic_privacy code, the driver side expects a privacy state update when the DSP has booted up.
There are still unsolved issues to this concept (how to combine SDW/host-linux and DMIC/sof-FW mute status to one indicator) and they need to be resolved, before this work can be finished.