Unverified Commit 64a1e3dd authored by Luca Ceresoli's avatar Luca Ceresoli Committed by Mark Brown
Browse files

ASoC: dapm-graph: visualize component On/Off bias level 



Read the bias_level debugfs files (ignored so far) and visualize the On/Off
state of each component using different graphic attributes in the generated
graph.

Signed-off-by: default avatarLuca Ceresoli <luca.ceresoli@bootlin.com>
Link: https://patch.msgid.link/20240823-dapm-graph-v1-2-989a47308c4c@bootlin.com


Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent 5a98c2e5

tools/sound/dapm-graph

+18 −3
Original line number Diff line number Diff line
@@ -8,6 +8,8 @@ 


set -eu



STYLE_COMPONENT_ON="color=dodgerblue;style=bold"

STYLE_COMPONENT_OFF="color=gray40;style=filled;fillcolor=gray90"

STYLE_NODE_ON="shape=box,style=bold,color=green4"

STYLE_NODE_OFF="shape=box,style=filled,color=gray30,fillcolor=gray95"
@@ -159,6 +161,7 @@ process_dapm_component() 
    local is_component=0

    local dot_file="${tmp_dir}/main.dot"

    local links_file="${tmp_dir}/links.dot"

    local c_attribs=""



    if [ -z "${c_name}" ]; then

	is_component=1
@@ -166,16 +169,28 @@ process_dapm_component() 
	# Extract directory name into component name:

	#   "./cs42l51.0-004a/dapm" -> "cs42l51.0-004a"

	c_name="$(basename $(dirname "${c_dir}"))"

    fi



    dbg_echo " * Component: ${c_name}"



    if [ ${is_component} = 1 ]; then

	if [ -f "${c_dir}/bias_level" ]; then

	    c_onoff=$(sed -n -e 1p "${c_dir}/bias_level" | awk '{print $1}')

	    dbg_echo "   - bias_level: ${c_onoff}"

	    if [ "$c_onoff" = "On" ]; then

		c_attribs="${STYLE_COMPONENT_ON}"

	    elif [ "$c_onoff" = "Off" ]; then

		c_attribs="${STYLE_COMPONENT_OFF}"

	    fi

	fi



	echo ""                           >> "${dot_file}"

	echo "  subgraph \"${c_name}\" {" >> "${dot_file}"

	echo "    cluster = true"         >> "${dot_file}"

	echo "    label = \"${c_name}\""  >> "${dot_file}"

	echo "    color=dodgerblue"       >> "${dot_file}"

	echo "    ${c_attribs}"           >> "${dot_file}"

    fi



    dbg_echo " * Component: ${c_name}"



    # Create empty file to ensure it will exist in all cases

    >"${links_file}"