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ALSA: x86: Move the global underrun_count to struct snd_intelhad

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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>
This commit is contained in:
Takashi Iwai 2017-01-30 18:17:44 +01:00
parent 7f2e9ab5a2
commit 6ddb3ab66f
2 changed files with 9 additions and 8 deletions
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15
sound/x86/intel_hdmi_audio.c
View File

@ -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;

2
sound/x86/intel_hdmi_audio.h
View File

@ -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);