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ALSA: usb-audio: Increase max buffer size

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The current limit of max buffer size 1MB seems too small for modern
devices with lots of channels and high sample rates.
Let's make bigger, 4MB.

Reviewed-by: Jaroslav Kysela <perex@perex.cz>
Link: https://lore.kernel.org/r/20220407212740.17920-1-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai 2022-04-07 23:27:40 +02:00
parent 98c27add5d
commit fee2ec8cce
1 changed files with 1 additions and 1 deletions
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2
sound/usb/pcm.c
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@ -659,7 +659,7 @@ static int snd_usb_pcm_prepare(struct snd_pcm_substream *substream)
#define hwc_debug(fmt, args...) do { } while(0)
#endif
#define MAX_BUFFER_BYTES (1024 * 1024)
#define MAX_BUFFER_BYTES (4 * 1024 * 1024)
#define MAX_PERIOD_BYTES (512 * 1024)
static const struct snd_pcm_hardware snd_usb_hardware =