Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 54a96dad authored by Raymond Yau's avatar Raymond Yau Committed by Takashi Iwai
Browse files

ALSA - au88x0 - Add buffer bytes constraints 



This allow application such as gstreamer and wine which use
snd_pcm_hw_params_set_buffer_time_near() won't fail any more
since sound chips require special containt power 2 period bytes

Signed-off-by: default avatarRaymond Yau <superquad.vortex2@gmail.com>
Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
parent 6a9a6f23

sound/pci/au88x0/au88x0_pcm.c

+5 −2
Original line number Diff line number Diff line
@@ -44,10 +44,10 @@ static struct snd_pcm_hardware snd_vortex_playback_hw_adb = { 
	.channels_min = 1,

	.channels_max = 2,

	.buffer_bytes_max = 0x10000,

	.period_bytes_min = 0x1,

	.period_bytes_min = 0x20,

	.period_bytes_max = 0x1000,

	.periods_min = 2,

	.periods_max = 32,

	.periods_max = 1024,

};



#ifndef CHIP_AU8820
@@ -140,6 +140,9 @@ static int snd_vortex_pcm_open(struct snd_pcm_substream *substream) 
					SNDRV_PCM_HW_PARAM_PERIOD_BYTES)) < 0)

		return err;



	snd_pcm_hw_constraint_step(runtime, 0,

					SNDRV_PCM_HW_PARAM_BUFFER_BYTES, 64);



	if (VORTEX_PCM_TYPE(substream->pcm) != VORTEX_PCM_WT) {

#ifndef CHIP_AU8820

		if (VORTEX_PCM_TYPE(substream->pcm) == VORTEX_PCM_A3D) {