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ALSA: emu10k1: make struct snd_emu1010 less wasteful

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Shrink the {in,out}put_source arrays and their data type to what is
actually necessary.

To be still on the safe side, add some static asserts.

Signed-off-by: Oswald Buddenhagen <oswald.buddenhagen@gmx.de>
Link: https://lore.kernel.org/r/20230516093612.3536508-11-oswald.buddenhagen@gmx.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Oswald Buddenhagen
2023-05-16 11:36:12 +02:00
committed by Takashi Iwai
parent 6f3609f8a3
commit 216abe45cf
2 changed files with 10 additions and 2 deletions
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7
include/sound/emu10k1.h
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@@ -1637,9 +1637,12 @@ struct snd_emu_chip_details {
const char *id; /* for backward compatibility - can be NULL if not needed */
};
#define NUM_OUTPUT_DESTS 28
#define NUM_INPUT_DESTS 22
struct snd_emu1010 {
unsigned int output_source[64];
unsigned int input_source[64];
unsigned char output_source[NUM_OUTPUT_DESTS];
unsigned char input_source[NUM_INPUT_DESTS];
unsigned int adc_pads; /* bit mask */
unsigned int dac_pads; /* bit mask */
unsigned int internal_clock; /* 44100 or 48000 */