diff options
Diffstat (limited to 'sound/pci/hda/cs35l41_hda.c')
| -rw-r--r-- | sound/pci/hda/cs35l41_hda.c | 18 |
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); |