Commit 2ead9d08 authored by Takashi Iwai's avatar Takashi Iwai
Browse files

ALSA: usb: Constify snd_pcm_hardware definitions 

Most of snd_pcm_hardware definitions are just copied to another object
as-is, hence we can define them as const for further optimization.

There should be no functional changes by this patch.

Link: https://lore.kernel.org/r/20200103081714.9560-3-tiwai@suse.de


Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
parent c1c3981f

sound/usb/caiaq/audio.c

+1 −1
Original line number Diff line number Diff line
@@ -30,7 +30,7 @@ 
#define MAKE_CHECKBYTE(cdev,stream,i) \

	(stream << 1) | (~(i / (cdev->n_streams * BYTES_PER_SAMPLE_USB)) & 1)



static struct snd_pcm_hardware snd_usb_caiaq_pcm_hardware = {

static const struct snd_pcm_hardware snd_usb_caiaq_pcm_hardware = {

	.info 		= (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |

			   SNDRV_PCM_INFO_BLOCK_TRANSFER),

	.formats 	= SNDRV_PCM_FMTBIT_S24_3BE,

sound/usb/usx2y/usbusx2yaudio.c

+1 −1
Original line number Diff line number Diff line
@@ -838,7 +838,7 @@ static int snd_usX2Y_pcm_prepare(struct snd_pcm_substream *substream) 
	return err;

}



static struct snd_pcm_hardware snd_usX2Y_2c =

static const struct snd_pcm_hardware snd_usX2Y_2c =

{

	.info =			(SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |

				 SNDRV_PCM_INFO_BLOCK_TRANSFER |

sound/usb/usx2y/usx2yhwdeppcm.c

+1 −1
Original line number Diff line number Diff line
@@ -528,7 +528,7 @@ static int snd_usX2Y_usbpcm_prepare(struct snd_pcm_substream *substream) 
	return err;

}



static struct snd_pcm_hardware snd_usX2Y_4c =

static const struct snd_pcm_hardware snd_usX2Y_4c =

{

	.info =			(SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |

				 SNDRV_PCM_INFO_BLOCK_TRANSFER |