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ALSA: usb-audio: scarlett2: Remove unused/useless code

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Remove #define not used.
Remove useless assignments and copies.

Signed-off-by: Geoffrey D. Bennett <g@b4.vu>
Link: https://lore.kernel.org/r/20210620164630.GA9180@m.b4.vu
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Geoffrey D. Bennett 2021-06-21 02:16:30 +09:30 committed by Takashi Iwai
parent 06a2162179
commit b677b6c6d8
1 changed files with 5 additions and 21 deletions
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26
sound/usb/mixer_scarlett_gen2.c
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@ -271,7 +271,6 @@ static const struct scarlett2_device_info s6i6_gen2_info = {
.id = 0x000,
.num = { 1, 0, 8, 8, 8 },
.src_descr = "Off",
.src_num_offset = 0,
},
[SCARLETT2_PORT_TYPE_ANALOGUE] = {
.id = 0x080,
@ -327,7 +326,6 @@ static const struct scarlett2_device_info s18i8_gen2_info = {
.id = 0x000,
.num = { 1, 0, 8, 8, 4 },
.src_descr = "Off",
.src_num_offset = 0,
},
[SCARLETT2_PORT_TYPE_ANALOGUE] = {
.id = 0x080,
@ -393,7 +391,6 @@ static const struct scarlett2_device_info s18i20_gen2_info = {
.id = 0x000,
.num = { 1, 0, 8, 8, 6 },
.src_descr = "Off",
.src_num_offset = 0,
},
[SCARLETT2_PORT_TYPE_ANALOGUE] = {
.id = 0x080,
@ -571,8 +568,6 @@ struct scarlett2_usb_packet {
u8 data[];
};
#define SCARLETT2_USB_PACKET_LEN (sizeof(struct scarlett2_usb_packet))
static void scarlett2_fill_request_header(struct scarlett2_mixer_data *private,
struct scarlett2_usb_packet *req,
u32 cmd, u16 req_size)
@ -595,8 +590,8 @@ static int scarlett2_usb(
struct scarlett2_mixer_data *private = mixer->private_data;
u16 req_buf_size = sizeof(struct scarlett2_usb_packet) + req_size;
u16 resp_buf_size = sizeof(struct scarlett2_usb_packet) + resp_size;
struct scarlett2_usb_packet *req = NULL, *resp = NULL;
int err = 0;
struct scarlett2_usb_packet *req, *resp = NULL;
int err;
req = kmalloc(req_buf_size, GFP_KERNEL);
if (!req) {
@ -1026,10 +1021,6 @@ static int scarlett2_usb_set_mux(struct usb_mixer_interface *mixer)
ports, private->mux[j]
) << 12
);
/* skip private->mux[j] entries not output */
j += ports[port_type].num[SCARLETT2_PORT_OUT] -
ports[port_type].num[port_dir_rate];
}
err = scarlett2_usb(mixer, SCARLETT2_USB_SET_MUX,
@ -1681,7 +1672,7 @@ static int scarlett2_add_mixer_ctls(struct usb_mixer_interface *mixer)
int num_inputs = ports[SCARLETT2_PORT_TYPE_MIX].num[SCARLETT2_PORT_OUT];
int num_outputs = ports[SCARLETT2_PORT_TYPE_MIX].num[SCARLETT2_PORT_IN];
for (i = 0, index = 0; i < num_outputs; i++) {
for (i = 0, index = 0; i < num_outputs; i++)
for (j = 0; j < num_inputs; j++, index++) {
snprintf(s, sizeof(s),
"Mix %c Input %02d Playback Volume",
@ -1691,7 +1682,6 @@ static int scarlett2_add_mixer_ctls(struct usb_mixer_interface *mixer)
if (err < 0)
return err;
}
}
return 0;
}
@ -1925,8 +1915,6 @@ static int scarlett2_read_configs(struct usb_mixer_interface *mixer)
ports[SCARLETT2_PORT_TYPE_ANALOGUE].num[SCARLETT2_PORT_OUT];
int num_mixer_out =
ports[SCARLETT2_PORT_TYPE_MIX].num[SCARLETT2_PORT_IN];
u8 level_switches[SCARLETT2_LEVEL_SWITCH_MAX];
u8 pad_switches[SCARLETT2_PAD_SWITCH_MAX];
struct scarlett2_usb_volume_status volume_status;
int err, i;
@ -1935,11 +1923,9 @@ static int scarlett2_read_configs(struct usb_mixer_interface *mixer)
mixer,
SCARLETT2_CONFIG_LEVEL_SWITCH,
info->level_input_count,
level_switches);
private->level_switch);
if (err < 0)
return err;
for (i = 0; i < info->level_input_count; i++)
private->level_switch[i] = level_switches[i];
}
if (info->pad_input_count) {
@ -1947,11 +1933,9 @@ static int scarlett2_read_configs(struct usb_mixer_interface *mixer)
mixer,
SCARLETT2_CONFIG_PAD_SWITCH,
info->pad_input_count,
pad_switches);
private->pad_switch);
if (err < 0)
return err;
for (i = 0; i < info->pad_input_count; i++)
private->pad_switch[i] = pad_switches[i];
}
err = scarlett2_usb_get_volume_status(mixer, &volume_status);