diff options
| author | Mark Brown <broonie@kernel.org> | 2021-12-01 14:15:12 +0000 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2021-12-01 14:15:12 +0000 |
| commit | 67140b64b68395b79177efcd16a7530ed5311e49 (patch) | |
| tree | b1843f4e04d9c0f1d749add23f78ed2ddc84e7ed /sound/soc/sof/intel | |
| parent | f316c9d9ba8ea08d6994bc5ba8fa276eab186208 (diff) | |
| parent | 046aede2f847676f93a2ea4f48b77909c51dba40 (diff) | |
| download | linux-67140b64b68395b79177efcd16a7530ed5311e49.tar.bz2 | |
Merge branch 'for-5.16' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into asoc-5.17 so we can apply new Tegra work
Diffstat (limited to 'sound/soc/sof/intel')
| -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", |