On 12/5/23 08:24, Charles Keepax wrote:
> cs35l56 is a boosted speaker amp add UCM support for a 4 amp
> configuration.
>
> Signed-off-by: Charles Keepax <ckeepax@xxxxxxxxxxxxxxxxxxxxx>
> ---
> ucm2/sof-soundwire/cs35l56-4.conf | 24 ++++++++++++++++++++++++
> 1 file changed, 24 insertions(+)
> create mode 100644 ucm2/sof-soundwire/cs35l56-4.conf
>
> diff --git a/ucm2/sof-soundwire/cs35l56-4.conf b/ucm2/sof-soundwire/cs35l56-4.conf
> new file mode 100644
> index 0000000..f5af1e4
> --- /dev/null
> +++ b/ucm2/sof-soundwire/cs35l56-4.conf
> @@ -0,0 +1,24 @@
> +# Use case Configuration for sof-soundwire card
> +
> +SectionDevice."Speaker" {
> + Comment "Speaker"
> +
> + EnableSequence [
> + cset "name='AMP1 Speaker Switch' 1"
> + cset "name='AMP2 Speaker Switch' 1"
> + cset "name='AMP3 Speaker Switch' 1"
> + cset "name='AMP4 Speaker Switch' 1"
> + ]
> +
> + DisableSequence [
> + cset "name='AMP4 Speaker Switch' 0"
> + cset "name='AMP3 Speaker Switch' 0"
> + cset "name='AMP2 Speaker Switch' 0"
> + cset "name='AMP1 Speaker Switch' 0"
> + ]
If we only need an on/off switch, I wonder if this can be made
conditional, i.e. enable/disable a control if it exists. That would
scale to various numbers of amplifiers without a need to add a 2-amp, 6
or 8-amp configuration.
> +
> + Value {
> + PlaybackPriority 100
> + PlaybackPCM "hw:${CardId},2"
> + }
> +}
