diff options
Diffstat (limited to 'sound/soc/codecs/cs35l56-shared.c')
| -rw-r--r-- | sound/soc/codecs/cs35l56-shared.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/sound/soc/codecs/cs35l56-shared.c b/sound/soc/codecs/cs35l56-shared.c index 7424e1353062..60100c8f8c95 100644 --- a/sound/soc/codecs/cs35l56-shared.c +++ b/sound/soc/codecs/cs35l56-shared.c @@ -1337,6 +1337,23 @@ int cs35l56_read_prot_status(struct cs35l56_base *cs35l56_base, } EXPORT_SYMBOL_NS_GPL(cs35l56_read_prot_status, "SND_SOC_CS35L56_SHARED"); +void cs35l56_warn_if_firmware_missing(struct cs35l56_base *cs35l56_base) +{ + unsigned int firmware_version; + bool firmware_missing; + int ret; + + ret = cs35l56_read_prot_status(cs35l56_base, &firmware_missing, &firmware_version); + if (ret) + return; + + if (!firmware_missing) + return; + + dev_warn(cs35l56_base->dev, "FIRMWARE_MISSING\n"); +} +EXPORT_SYMBOL_NS_GPL(cs35l56_warn_if_firmware_missing, "SND_SOC_CS35L56_SHARED"); + void cs35l56_log_tuning(struct cs35l56_base *cs35l56_base, struct cs_dsp *cs_dsp) { __be32 pid, sid, tid; |