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[ALSA] Current driver does not utilize 44.1kHz high quality sampling rate converter.

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Following patch will make the driver to use the 44.1kHz SRC automatically
if the pcm source is 44.1kHz signed 16bit stereo.
The SRC is available in YMF754 only.

Signed-off-by: Teru KAMOGASHIRA <teru@sodan.ecc.u-tokyo.ac.jp>
Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
This commit is contained in:
Teru KAMOGASHIRA
2006-12-04 18:03:53 +01:00
committed by Jaroslav Kysela
parent c577b8a16f
commit 9ed1261e3e
2 changed files with 43 additions and 5 deletions
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4
include/sound/ymfpci.h
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@ -270,6 +270,7 @@ struct snd_ymfpci_pcm {
struct snd_pcm_substream *substream;
struct snd_ymfpci_voice *voices[2]; /* playback only */
unsigned int running: 1,
use_441_slot: 1,
output_front: 1,
output_rear: 1,
swap_rear: 1;
@ -324,6 +325,7 @@ struct snd_ymfpci {
u32 active_bank;
struct snd_ymfpci_voice voices[64];
int src441_used;
struct snd_ac97_bus *ac97_bus;
struct snd_ac97 *ac97;
@ -346,7 +348,7 @@ struct snd_ymfpci {
int mode_dup4ch;
int rear_opened;
int spdif_opened;
struct {
struct snd_ymfpci_pcm_mixer {
u16 left;
u16 right;
struct snd_kcontrol *ctl;