| --- a/drivers/alsa/alsa_driver.c 2009-05-06 06:36:08.000000000 +1000 |
| +++ b/drivers/alsa/alsa_driver.c 2010-07-28 21:02:57.238101024 +1000 |
| @@ -2388,7 +2388,7 @@ |
| strcpy (params[i].name, "period"); |
| params[i].character = 'p'; |
| params[i].type = JackDriverParamUInt; |
| - params[i].value.ui = 1024U; |
| + params[i].value.ui = 256U; /* TWL4030 capture. */ |
| strcpy (params[i].short_desc, "Frames per period"); |
| strcpy (params[i].long_desc, params[i].short_desc); |
| |
| @@ -2396,7 +2396,7 @@ |
| strcpy (params[i].name, "nperiods"); |
| params[i].character = 'n'; |
| params[i].type = JackDriverParamUInt; |
| - params[i].value.ui = 2U; |
| + params[i].value.ui = 4U; /* TWL4030 capture. */ |
| strcpy (params[i].short_desc, "Number of periods of playback latency"); |
| strcpy (params[i].long_desc, params[i].short_desc); |
| |
| @@ -2518,8 +2518,8 @@ |
| driver_initialize (jack_client_t *client, const JSList * params) |
| { |
| jack_nframes_t srate = 48000; |
| - jack_nframes_t frames_per_interrupt = 1024; |
| - unsigned long user_nperiods = 2; |
| + jack_nframes_t frames_per_interrupt = 256; /* TWL4030 needs small number of frames here. */ |
| + unsigned long user_nperiods = 4; /* TWL4030 needs 4 periods to avoid XRuns. */ |
| char *playback_pcm_name = "hw:0"; |
| char *capture_pcm_name = "hw:0"; |
| int hw_monitoring = FALSE; |