The last one is in intel_hdmi_audio.c, underrun_count: this can be embedded in snd_intelhad object.
Signed-off-by: Takashi Iwai tiwai@suse.de --- sound/x86/intel_hdmi_audio.c | 15 +++++++-------- sound/x86/intel_hdmi_audio.h | 2 ++ 2 files changed, 9 insertions(+), 8 deletions(-)
diff --git a/sound/x86/intel_hdmi_audio.c b/sound/x86/intel_hdmi_audio.c index ed9db2ebe9cf..e08691110a48 100644 --- a/sound/x86/intel_hdmi_audio.c +++ b/sound/x86/intel_hdmi_audio.c @@ -40,7 +40,6 @@ /*standard module options for ALSA. This module supports only one card*/ static int hdmi_card_index = SNDRV_DEFAULT_IDX1; static char *hdmi_card_id = SNDRV_DEFAULT_STR1; -static int underrun_count;
module_param_named(index, hdmi_card_index, int, 0444); MODULE_PARM_DESC(index, @@ -969,7 +968,7 @@ static int snd_intelhad_open(struct snd_pcm_substream *substream) intelhaddata = snd_pcm_substream_chip(substream); had_stream = intelhaddata->private_data; runtime = substream->runtime; - underrun_count = 0; + intelhaddata->underrun_count = 0;
pm_runtime_get(intelhaddata->dev);
@@ -1376,19 +1375,19 @@ static snd_pcm_uframes_t snd_intelhad_pcm_pointer( AUD_BUF_A_LENGTH + (buf_id * HAD_REG_WIDTH), &t);
if ((t == 0) || (t == ((u32)-1L))) { - underrun_count++; + intelhaddata->underrun_count++; pr_debug("discovered buffer done for buf %d, count = %d\n", - buf_id, underrun_count); + buf_id, intelhaddata->underrun_count);
- if (underrun_count > (HAD_MIN_PERIODS/2)) { + if (intelhaddata->underrun_count > (HAD_MIN_PERIODS/2)) { pr_debug("assume audio_codec_reset, underrun = %d - do xrun\n", - underrun_count); - underrun_count = 0; + intelhaddata->underrun_count); + intelhaddata->underrun_count = 0; return SNDRV_PCM_POS_XRUN; } } else { /* Reset Counter */ - underrun_count = 0; + intelhaddata->underrun_count = 0; }
t = intelhaddata->buf_info[buf_id].buf_size - t; diff --git a/sound/x86/intel_hdmi_audio.h b/sound/x86/intel_hdmi_audio.h index 110d1d083000..da0a927d37fe 100644 --- a/sound/x86/intel_hdmi_audio.h +++ b/sound/x86/intel_hdmi_audio.h @@ -119,6 +119,7 @@ struct had_pvt_data { * @chmap: holds channel map info * @audio_reg_base: hdmi audio register base offset * @hw_silence: flag indicates SoC support for HW silence/Keep alive + * @underrun_count: PCM stream underrun counter */ struct snd_intelhad { struct snd_card *card; @@ -142,6 +143,7 @@ struct snd_intelhad { unsigned int *audio_reg_base; unsigned int audio_cfg_offset; bool hw_silence; + int underrun_count; };
int had_event_handler(enum had_event_type event_type, void *data);