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| author | Jiri Kosina <jkosina@suse.cz> | 2022-01-10 09:56:57 +0100 |
|---|---|---|
| committer | Jiri Kosina <jkosina@suse.cz> | 2022-01-10 09:56:57 +0100 |
| commit | 3551a3ff8229e15d2a4b47b8234923bc72da65ef (patch) | |
| tree | a62465753397b0268529a5d0b9ab43a8840069ad /sound/soc/sof | |
| parent | 906095af85e8b2e53ee9f8c50b3dff365aa09df8 (diff) | |
| parent | 33a5c2793451770cb6dcf0cc35c76cfd4b045513 (diff) | |
| download | linux-3551a3ff8229e15d2a4b47b8234923bc72da65ef.tar.gz linux-3551a3ff8229e15d2a4b47b8234923bc72da65ef.tar.bz2 linux-3551a3ff8229e15d2a4b47b8234923bc72da65ef.zip | |
Merge branch 'for-5.17/letsketch' into for-linus
- new driver to support for LetSketch device (Hans de Goede)
Diffstat (limited to 'sound/soc/sof')
| -rw-r--r-- | sound/soc/sof/intel/hda-codec.c | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/sound/soc/sof/intel/hda-codec.c b/sound/soc/sof/intel/hda-codec.c index 6744318de612..13cd96e6724a 100644 --- a/sound/soc/sof/intel/hda-codec.c +++ b/sound/soc/sof/intel/hda-codec.c @@ -22,6 +22,7 @@ #if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA_AUDIO_CODEC) #define IDISP_VID_INTEL 0x80860000 +#define CODEC_PROBE_RETRIES 3 /* load the legacy HDA codec driver */ static int request_codec_module(struct hda_codec *codec) @@ -121,12 +122,15 @@ static int hda_codec_probe(struct snd_sof_dev *sdev, int address, u32 hda_cmd = (address << 28) | (AC_NODE_ROOT << 20) | (AC_VERB_PARAMETERS << 8) | AC_PAR_VENDOR_ID; u32 resp = -1; - int ret; + int ret, retry = 0; + + do { + mutex_lock(&hbus->core.cmd_mutex); + snd_hdac_bus_send_cmd(&hbus->core, hda_cmd); + snd_hdac_bus_get_response(&hbus->core, address, &resp); + mutex_unlock(&hbus->core.cmd_mutex); + } while (resp == -1 && retry++ < CODEC_PROBE_RETRIES); - mutex_lock(&hbus->core.cmd_mutex); - snd_hdac_bus_send_cmd(&hbus->core, hda_cmd); - snd_hdac_bus_get_response(&hbus->core, address, &resp); - mutex_unlock(&hbus->core.cmd_mutex); if (resp == -1) return -EIO; dev_dbg(sdev->dev, "HDA codec #%d probed OK: response: %x\n", |