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-rw-r--r--sound/pci/hda/cs35l41_hda.c18
1 files changed, 18 insertions, 0 deletions
diff --git a/sound/pci/hda/cs35l41_hda.c b/sound/pci/hda/cs35l41_hda.c
index 69303888be1a..496ff6a9d300 100644
--- a/sound/pci/hda/cs35l41_hda.c
+++ b/sound/pci/hda/cs35l41_hda.c
@@ -994,6 +994,7 @@ err:
static int cs35l41_smart_amp(struct cs35l41_hda *cs35l41)
{
+ unsigned int fw_status;
__be32 halo_sts;
int ret;
@@ -1027,6 +1028,23 @@ static int cs35l41_smart_amp(struct cs35l41_hda *cs35l41)
goto clean_dsp;
}
+ ret = regmap_read(cs35l41->regmap, CS35L41_DSP_MBOX_2, &fw_status);
+ if (ret < 0) {
+ dev_err(cs35l41->dev,
+ "Failed to read firmware status: %d\n", ret);
+ goto clean_dsp;
+ }
+
+ switch (fw_status) {
+ case CSPL_MBOX_STS_RUNNING:
+ case CSPL_MBOX_STS_PAUSED:
+ break;
+ default:
+ dev_err(cs35l41->dev, "Firmware status is invalid: %u\n",
+ fw_status);
+ goto clean_dsp;
+ }
+
ret = cs35l41_set_cspl_mbox_cmd(cs35l41->dev, cs35l41->regmap, CSPL_MBOX_CMD_PAUSE);
if (ret) {
dev_err(cs35l41->dev, "Error waiting for DSP to pause: %u\n", ret);