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ALSA: usb-audio: constify usb_protocol_ops structures

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The usb_protocol_ops structures are never modified, so declare them as
const.

Done with the help of Coccinelle.

Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Acked-by: Clemens Ladisch <clemens@ladisch.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Julia Lawall 2015-12-11 15:52:37 +01:00 committed by Takashi Iwai
parent 9a5e5234ba
commit 17074c1a5f
1 changed files with 13 additions and 12 deletions
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25
sound/usb/midi.c
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@ -112,7 +112,7 @@ struct snd_usb_midi {
struct usb_interface *iface;
const struct snd_usb_audio_quirk *quirk;
struct snd_rawmidi *rmidi;
struct usb_protocol_ops *usb_protocol_ops;
const struct usb_protocol_ops *usb_protocol_ops;
struct list_head list;
struct timer_list error_timer;
spinlock_t disc_lock;
@ -671,31 +671,32 @@ static void snd_usbmidi_standard_output(struct snd_usb_midi_out_endpoint *ep,
}
}
static struct usb_protocol_ops snd_usbmidi_standard_ops = {
static const struct usb_protocol_ops snd_usbmidi_standard_ops = {
.input = snd_usbmidi_standard_input,
.output = snd_usbmidi_standard_output,
.output_packet = snd_usbmidi_output_standard_packet,
};
static struct usb_protocol_ops snd_usbmidi_midiman_ops = {
static const struct usb_protocol_ops snd_usbmidi_midiman_ops = {
.input = snd_usbmidi_midiman_input,
.output = snd_usbmidi_standard_output,
.output_packet = snd_usbmidi_output_midiman_packet,
};
static struct usb_protocol_ops snd_usbmidi_maudio_broken_running_status_ops = {
static const
struct usb_protocol_ops snd_usbmidi_maudio_broken_running_status_ops = {
.input = snd_usbmidi_maudio_broken_running_status_input,
.output = snd_usbmidi_standard_output,
.output_packet = snd_usbmidi_output_standard_packet,
};
static struct usb_protocol_ops snd_usbmidi_cme_ops = {
static const struct usb_protocol_ops snd_usbmidi_cme_ops = {
.input = snd_usbmidi_cme_input,
.output = snd_usbmidi_standard_output,
.output_packet = snd_usbmidi_output_standard_packet,
};
static struct usb_protocol_ops snd_usbmidi_ch345_broken_sysex_ops = {
static const struct usb_protocol_ops snd_usbmidi_ch345_broken_sysex_ops = {
.input = ch345_broken_sysex_input,
.output = snd_usbmidi_standard_output,
.output_packet = snd_usbmidi_output_standard_packet,
@ -795,7 +796,7 @@ static void snd_usbmidi_akai_output(struct snd_usb_midi_out_endpoint *ep,
}
}
static struct usb_protocol_ops snd_usbmidi_akai_ops = {
static const struct usb_protocol_ops snd_usbmidi_akai_ops = {
.input = snd_usbmidi_akai_input,
.output = snd_usbmidi_akai_output,
};
@ -835,7 +836,7 @@ static void snd_usbmidi_novation_output(struct snd_usb_midi_out_endpoint *ep,
urb->transfer_buffer_length = 2 + count;
}
static struct usb_protocol_ops snd_usbmidi_novation_ops = {
static const struct usb_protocol_ops snd_usbmidi_novation_ops = {
.input = snd_usbmidi_novation_input,
.output = snd_usbmidi_novation_output,
};
@ -867,7 +868,7 @@ static void snd_usbmidi_raw_output(struct snd_usb_midi_out_endpoint *ep,
urb->transfer_buffer_length = count;
}
static struct usb_protocol_ops snd_usbmidi_raw_ops = {
static const struct usb_protocol_ops snd_usbmidi_raw_ops = {
.input = snd_usbmidi_raw_input,
.output = snd_usbmidi_raw_output,
};
@ -883,7 +884,7 @@ static void snd_usbmidi_ftdi_input(struct snd_usb_midi_in_endpoint *ep,
snd_usbmidi_input_data(ep, 0, buffer + 2, buffer_length - 2);
}
static struct usb_protocol_ops snd_usbmidi_ftdi_ops = {
static const struct usb_protocol_ops snd_usbmidi_ftdi_ops = {
.input = snd_usbmidi_ftdi_input,
.output = snd_usbmidi_raw_output,
};
@ -927,7 +928,7 @@ static void snd_usbmidi_us122l_output(struct snd_usb_midi_out_endpoint *ep,
urb->transfer_buffer_length = ep->max_transfer;
}
static struct usb_protocol_ops snd_usbmidi_122l_ops = {
static const struct usb_protocol_ops snd_usbmidi_122l_ops = {
.input = snd_usbmidi_us122l_input,
.output = snd_usbmidi_us122l_output,
};
@ -1060,7 +1061,7 @@ static void snd_usbmidi_emagic_output(struct snd_usb_midi_out_endpoint *ep,
urb->transfer_buffer_length = ep->max_transfer - buf_free;
}
static struct usb_protocol_ops snd_usbmidi_emagic_ops = {
static const struct usb_protocol_ops snd_usbmidi_emagic_ops = {
.input = snd_usbmidi_emagic_input,
.output = snd_usbmidi_emagic_output,
.init_out_endpoint = snd_usbmidi_emagic_init_out,