From: Curtis Malainey cujomalainey@chromium.org
Even if we find a acpi device we can still be missing the physical node.
Signed-off-by: Curtis Malainey cujomalainey@chromium.org Signed-off-by: Pierre-Louis Bossart pierre-louis.bossart@linux.intel.com Reviewed-by: Bard Liao yung-chuan.liao@linux.intel.com --- sound/soc/intel/boards/sof_cirrus_common.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/sound/soc/intel/boards/sof_cirrus_common.c b/sound/soc/intel/boards/sof_cirrus_common.c index 851c516c8f5b..8b8b07e4f2fe 100644 --- a/sound/soc/intel/boards/sof_cirrus_common.c +++ b/sound/soc/intel/boards/sof_cirrus_common.c @@ -168,11 +168,16 @@ static int cs35l41_compute_codec_conf(void) continue; } physdev = get_device(acpi_get_first_physical_node(adev)); + acpi_dev_put(adev); + if (!physdev) { + pr_devel("Cannot find physical node for HID %s UID %u (%s)\n", CS35L41_HID, + uid, cs35l41_name_prefixes[uid]); + return 0; + } cs35l41_components[sz].name = dev_name(physdev); cs35l41_components[sz].dai_name = CS35L41_CODEC_DAI; cs35l41_codec_conf[sz].dlc.name = dev_name(physdev); cs35l41_codec_conf[sz].name_prefix = cs35l41_name_prefixes[uid]; - acpi_dev_put(adev); sz++; }