diff options
Diffstat (limited to 'sound/soc/sof/pcm.c')
| -rw-r--r-- | sound/soc/sof/pcm.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/sound/soc/sof/pcm.c b/sound/soc/sof/pcm.c index fe43de1fe96c..cee04574264e 100644 --- a/sound/soc/sof/pcm.c +++ b/sound/soc/sof/pcm.c @@ -613,6 +613,24 @@ static int sof_pcm_new(struct snd_soc_component *component, snd_pcm_set_managed_buffer(pcm->streams[stream].substream, SNDRV_DMA_TYPE_DEV_SG, sdev->dev, 0, le32_to_cpu(caps->buffer_size_max)); + + /* Set the PCM device name for HDMI playback */ + if (!strncmp(pcm->id, "HDMI", 4)) { + int hdmi_idx; + + /* + * Make sure that the name is in"HDMI<SPACE>x" format as this is + * expected by user space. + * See alsa-lib's __snd_pcm_info_eld_fixup_check() which is + * guarding the __snd_pcm_info_eld_fixup() in + * snd_ctl_hw_pcm_info() and snd_pcm_hw_info() library functions + */ + if (sscanf(pcm->id, "HDMI%d", &hdmi_idx) == 1) + snprintf(pcm->name, sizeof(pcm->name), "HDMI %d", + hdmi_idx); + else + strscpy(pcm->name, pcm->id, sizeof(pcm->name)); + } capture: stream = SNDRV_PCM_STREAM_CAPTURE; |