DL-Mirrors/kernel-tenderloin-3.0
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ASoC: increase timer sensitivity to support variable period size.

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Change the timer value to support at usecs range instead of
msecs. This allows to have different period sizes for a
given frequency.

Signed-off-by: Laxminath Kasam <lkasam@codeaurora.org>
This commit is contained in:
Laxminath Kasam
2011-09-22 15:14:18 +05:30
committed by Bryan Huntsman
parent d4e809ea8c
commit fa53b9fbfb
2 changed files with 23 additions and 22 deletions
Download Patch File Download Diff File Expand all files Collapse all files

43
sound/soc/msm/msm-pcm-afe.c
View File

@@ -64,8 +64,8 @@ static enum hrtimer_restart afe_hrtimer_callback(struct hrtimer *hrt)
struct snd_pcm_runtime *runtime = substream->runtime;
if (prtd->start) {
snd_pcm_period_elapsed(prtd->substream);
pr_debug("sending frame to DSP: poll_time_ns: %d\n",
prtd->poll_time_ns);
pr_debug("sending frame to DSP: poll_time: %d\n",
prtd->poll_time);
if (prtd->dsp_cnt == runtime->periods)
prtd->dsp_cnt = 0;
afe_rt_proxy_port_write(
@@ -74,12 +74,12 @@ static enum hrtimer_restart afe_hrtimer_callback(struct hrtimer *hrt)
snd_pcm_lib_period_bytes(prtd->substream))),
snd_pcm_lib_period_bytes(prtd->substream));
prtd->dsp_cnt++;
prtd->poll_time_ns = ((unsigned long)((
prtd->poll_time = ((unsigned long)((
snd_pcm_lib_period_bytes(prtd->substream)
* 1000)/(runtime->rate
* 1000 * 1000)/(runtime->rate
* runtime->channels * 2)));
hrtimer_forward_now(hrt, ns_to_ktime(prtd->poll_time_ns
* 1000 * 1000));
hrtimer_forward_now(hrt, ns_to_ktime(prtd->poll_time
* 1000));
return HRTIMER_RESTART;
} else
@@ -99,14 +99,14 @@ static enum hrtimer_restart afe_hrtimer_rec_callback(struct hrtimer *hrt)
* snd_pcm_lib_period_bytes(prtd->substream))),
snd_pcm_lib_period_bytes(prtd->substream));
prtd->dsp_cnt++;
prtd->poll_time_ns = ((unsigned long)((
prtd->poll_time = ((unsigned long)((
snd_pcm_lib_period_bytes(prtd->substream)
* 1000)/(runtime->rate
* 1000 * 1000)/(runtime->rate
* runtime->channels * 2)));
pr_debug("sending frame rec to DSP: poll_time_ns: %d\n",
prtd->poll_time_ns);
hrtimer_forward_now(hrt, ns_to_ktime(prtd->poll_time_ns
* 1000 * 1000));
pr_debug("sending frame rec to DSP: poll_time: %d\n",
prtd->poll_time);
hrtimer_forward_now(hrt, ns_to_ktime(prtd->poll_time
* 1000));
return HRTIMER_RESTART;
} else
@@ -134,15 +134,16 @@ static void pcm_afe_process_tx_pkt(uint32_t opcode,
switch (event) {
case AFE_EVENT_RTPORT_START: {
prtd->dsp_cnt = 0;
prtd->poll_time_ns = ((unsigned long)((
prtd->poll_time = ((unsigned long)((
snd_pcm_lib_period_bytes
(prtd->substream) * 1000)/
(prtd->substream) *
1000 * 1000)/
(runtime->rate *
runtime->channels * 2)));
pr_info("prtd->poll_time_ns : %d",
prtd->poll_time_ns);
pr_info("prtd->poll_time: %d",
prtd->poll_time);
hrtimer_start(&prtd->hrt,
ns_to_ktime(prtd->poll_time_ns * 1000 * 1000),
ns_to_ktime(prtd->poll_time * 1000),
HRTIMER_MODE_REL);
break;
}
@@ -202,14 +203,14 @@ static void pcm_afe_process_rx_pkt(uint32_t opcode,
switch (event) {
case AFE_EVENT_RTPORT_START: {
prtd->dsp_cnt = 0;
prtd->poll_time_ns = ((unsigned long)((
prtd->poll_time = ((unsigned long)((
snd_pcm_lib_period_bytes(prtd->substream)
* 1000)/(runtime->rate
* 1000 * 1000)/(runtime->rate
* runtime->channels * 2)));
hrtimer_start(&prtd->hrt,
ns_to_ktime(prtd->poll_time_ns * 1000 * 1000),
ns_to_ktime(prtd->poll_time * 1000),
HRTIMER_MODE_REL);
pr_info("prtd->poll_time_ns : %d", prtd->poll_time_ns);
pr_info("prtd->poll_time : %d", prtd->poll_time);
break;
}
case AFE_EVENT_RTPORT_STOP:

2
sound/soc/msm/msm-pcm-afe.h
View File

@@ -29,7 +29,7 @@ struct pcm_afe_info {
int32_t mmap_flag;
int prepared;
struct hrtimer hrt;
int poll_time_ns;
int poll_time;
};