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| author | Takashi Iwai <tiwai@suse.de> | 2007-05-03 12:26:14 +0200 |
|---|---|---|
| committer | Jaroslav Kysela <perex@suse.cz> | 2007-05-11 16:56:14 +0200 |
| commit | 81c4899f7ef3675fdc574de2671ff9fa45996cc5 (patch) | |
| tree | eaf295ec2f7a964588737d9c3deeefc1084bc943 /sound/usb | |
| parent | 4d69d756d19a4f457749f3667ad7fc8984bba15c (diff) | |
| download | kernel_samsung_smdk4412-81c4899f7ef3675fdc574de2671ff9fa45996cc5.zip kernel_samsung_smdk4412-81c4899f7ef3675fdc574de2671ff9fa45996cc5.tar.gz kernel_samsung_smdk4412-81c4899f7ef3675fdc574de2671ff9fa45996cc5.tar.bz2 | |
[ALSA] usbaudio - Revert the minimal period size fix patch
The last patch didn't really work (false report).
Although the hardware supports 125us minimum period, the current
usb-audio driver code assumes the 1ms period in many places.
Rollback the change.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
Diffstat (limited to 'sound/usb')
| -rw-r--r-- | sound/usb/usbaudio.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/sound/usb/usbaudio.c b/sound/usb/usbaudio.c index 78efcff..8ebc1ad 100644 --- a/sound/usb/usbaudio.c +++ b/sound/usb/usbaudio.c @@ -1878,10 +1878,11 @@ static int setup_hw_info(struct snd_pcm_runtime *runtime, struct snd_usb_substre } /* set the period time minimum 1ms */ + /* FIXME: high-speed mode allows 125us minimum period, but many parts + * in the current code assume the 1ms period. + */ snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_PERIOD_TIME, - snd_usb_get_speed(subs->dev) == USB_SPEED_FULL ? - - 1000 * MIN_PACKS_URB : 125 * MIN_PACKS_URB, + 1000 * MIN_PACKS_URB, /*(nrpacks * MAX_URBS) * 1000*/ UINT_MAX); if (check_hw_params_convention(subs)) { |