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raspberrypi-kernel
提交 9cd57f77 编写于 作者: G Greg Kroah-Hartman
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Staging: line6: fix checkpatch errors in variax.c 

Lots of warnings also fixed up.

Cc: Markus Grabner <grabner@icg.tugraz.at>
Cc: Mariusz Kozlowski <m.kozlowski@tuxland.pl>
Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>
上级 6353773b
隐藏空白更改
内联 并排
Showing with 79 addition and 51 deletion
drivers/staging/line6/variax.c
浏览文件 @ 9cd57f77
......@@ -46,9 +46,10 @@ static const char variax_request_model2[] = {
/*
Decode data transmitted by workbench.
*/
static void variax_decode(const unsigned char *raw_data, unsigned char *data, int raw_size)
static void variax_decode(const unsigned char *raw_data, unsigned char *data,
int raw_size)
{
for(; raw_size > 0; raw_size -= 6) {
for (; raw_size > 0; raw_size -= 6) {
data[2] = raw_data[0] | (raw_data[1] << 4);
data[1] = raw_data[2] | (raw_data[3] << 4);
data[0] = raw_data[4] | (raw_data[5] << 4);
......@@ -61,13 +62,15 @@ static void variax_activate_timeout(unsigned long arg)
{
struct usb_line6_variax *variax = (struct usb_line6_variax *)arg;
variax->buffer_activate[VARIAX_OFFSET_ACTIVATE] = 1;
line6_send_raw_message_async(&variax->line6, variax->buffer_activate, sizeof(variax_activate));
line6_send_raw_message_async(&variax->line6, variax->buffer_activate,
sizeof(variax_activate));
}
/*
Send an asynchronous activation request after a given interval.
*/
static void variax_activate_delayed(struct usb_line6_variax *variax, int seconds)
static void variax_activate_delayed(struct usb_line6_variax *variax,
int seconds)
{
variax->activate_timer.expires = jiffies + seconds * HZ;
variax->activate_timer.function = variax_activate_timeout;
......@@ -79,11 +82,12 @@ static void variax_startup_timeout(unsigned long arg)
{
struct usb_line6_variax *variax = (struct usb_line6_variax *)arg;
if(variax->dumpreq.ok)
if (variax->dumpreq.ok)
return;
line6_dump_request_async(&variax->dumpreq, &variax->line6, 0);
line6_startup_delayed(&variax->dumpreq, 1, variax_startup_timeout, variax);
line6_startup_delayed(&variax->dumpreq, 1, variax_startup_timeout,
variax);
}
/*
......@@ -93,9 +97,9 @@ void variax_process_message(struct usb_line6_variax *variax)
{
const unsigned char *buf = variax->line6.buffer_message;
switch(buf[0]) {
switch (buf[0]) {
case LINE6_PARAM_CHANGE | LINE6_CHANNEL_HOST:
switch(buf[1]) {
switch (buf[1]) {
case VARIAXMIDI_volume:
variax->volume = buf[2];
break;
......@@ -118,9 +122,11 @@ void variax_process_message(struct usb_line6_variax *variax)
break;
case LINE6_SYSEX_BEGIN:
if(memcmp(buf + 1, variax_request_model1 + 1, VARIAX_MODEL_HEADER_LENGTH - 1) == 0) {
if(variax->line6.message_length == VARIAX_MODEL_MESSAGE_LENGTH) {
switch(variax->dumpreq.in_progress) {
if (memcmp(buf + 1, variax_request_model1 + 1,
VARIAX_MODEL_HEADER_LENGTH - 1) == 0) {
if (variax->line6.message_length ==
VARIAX_MODEL_MESSAGE_LENGTH) {
switch (variax->dumpreq.in_progress) {
case VARIAX_DUMP_PASS1:
variax_decode(buf + VARIAX_MODEL_HEADER_LENGTH, (unsigned char *)&variax->model_data,
(sizeof(variax->model_data.name) + sizeof(variax->model_data.control) / 2) * 2);
......@@ -131,20 +137,21 @@ void variax_process_message(struct usb_line6_variax *variax)
case VARIAX_DUMP_PASS2:
/* model name is transmitted twice, so skip it here: */
variax_decode(buf + VARIAX_MODEL_HEADER_LENGTH,
(unsigned char *)&variax->model_data.control + sizeof(variax->model_data.control) / 2,
sizeof(variax->model_data.control) / 2 * 2);
(unsigned char *)&variax->model_data.control + sizeof(variax->model_data.control) / 2,
sizeof(variax->model_data.control) / 2 * 2);
variax->dumpreq.ok = 1;
line6_dump_request_async(&variax->dumpreq, &variax->line6, 2);
line6_dump_started(&variax->dumpreq, VARIAX_DUMP_PASS3);
}
}
else {
} else {
DEBUG_MESSAGES(dev_err(variax->line6.ifcdev, "illegal length %d of model data\n", variax->line6.message_length));
line6_dump_finished(&variax->dumpreq);
}
}
else if(memcmp(buf + 1, variax_request_bank + 1, sizeof(variax_request_bank) - 2) == 0) {
memcpy(variax->bank, buf + sizeof(variax_request_bank) - 1, sizeof(variax->bank));
} else if (memcmp(buf + 1, variax_request_bank + 1,
sizeof(variax_request_bank) - 2) == 0) {
memcpy(variax->bank,
buf + sizeof(variax_request_bank) - 1,
sizeof(variax->bank));
variax->dumpreq.ok = 1;
line6_dump_finished(&variax->dumpreq);
}
......@@ -179,7 +186,8 @@ static ssize_t variax_set_volume(struct device *dev,
struct usb_line6_variax *variax = usb_get_intfdata(to_usb_interface(dev));
int value = simple_strtoul(buf, NULL, 10);
if(line6_transmit_parameter(&variax->line6, VARIAXMIDI_volume, value) == 0)
if (line6_transmit_parameter(&variax->line6, VARIAXMIDI_volume,
value) == 0)
variax->volume = value;
return count;
......@@ -202,10 +210,10 @@ static ssize_t variax_set_model(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t count)
{
struct usb_line6_variax *variax = usb_get_intfdata( to_usb_interface(dev));
struct usb_line6_variax *variax = usb_get_intfdata(to_usb_interface(dev));
int value = simple_strtoul(buf, NULL, 10);
if(line6_send_program(&variax->line6, value) == 0)
if (line6_send_program(&variax->line6, value) == 0)
variax->model = value;
return count;
......@@ -231,7 +239,8 @@ static ssize_t variax_set_active(struct device *dev,
struct usb_line6_variax *variax = usb_get_intfdata(to_usb_interface(dev));
int value = simple_strtoul(buf, NULL, 10) ? 1 : 0;
variax->buffer_activate[VARIAX_OFFSET_ACTIVATE] = value;
line6_send_raw_message_async(&variax->line6, variax->buffer_activate, sizeof(variax_activate));
line6_send_raw_message_async(&variax->line6, variax->buffer_activate,
sizeof(variax_activate));
return count;
}
......@@ -255,7 +264,8 @@ static ssize_t variax_set_tone(struct device *dev,
struct usb_line6_variax *variax = usb_get_intfdata(to_usb_interface(dev));
int value = simple_strtoul(buf, NULL, 10);
if(line6_transmit_parameter(&variax->line6, VARIAXMIDI_tone, value) == 0)
if (line6_transmit_parameter(&variax->line6, VARIAXMIDI_tone,
value) == 0)
variax->tone = value;
return count;
......@@ -266,10 +276,10 @@ static ssize_t get_string(char *buf, const char *data, int length)
int i;
memcpy(buf, data, length);
for(i = length; i--;) {
for (i = length; i--;) {
char c = buf[i];
if((c != 0) && (c != ' '))
if ((c != 0) && (c != ' '))
break;
}
......@@ -285,7 +295,8 @@ static ssize_t variax_get_name(struct device *dev,
{
struct usb_line6_variax *variax = usb_get_intfdata(to_usb_interface(dev));
line6_wait_dump(&variax->dumpreq, 0);
return get_string(buf, variax->model_data.name, sizeof(variax->model_data.name));
return get_string(buf, variax->model_data.name,
sizeof(variax->model_data.name));
}
/*
......@@ -308,8 +319,10 @@ static ssize_t variax_get_dump(struct device *dev,
struct usb_line6_variax *variax = usb_get_intfdata(to_usb_interface(dev));
int retval;
retval = line6_wait_dump(&variax->dumpreq, 0);
if(retval < 0) return retval;
memcpy(buf, &variax->model_data.control, sizeof(variax->model_data.control));
if (retval < 0)
return retval;
memcpy(buf, &variax->model_data.control,
sizeof(variax->model_data.control));
return sizeof(variax->model_data.control);
}
......@@ -331,10 +344,10 @@ static ssize_t variax_set_raw2(struct device *dev,
size = count * 2;
sysex = variax_alloc_sysex_buffer(variax, VARIAX_SYSEX_PARAM, size);
if(!sysex)
if (!sysex)
return 0;
for(i = 0; i < count; i += 3) {
for (i = 0; i < count; i += 3) {
const unsigned char *p1 = buf + i;
char *p2 = sysex + SYSEX_DATA_OFS + i * 2;
p2[0] = p1[2] & 0x0f;
......@@ -375,9 +388,11 @@ static void variax_destruct(struct usb_interface *interface)
struct usb_line6_variax *variax = usb_get_intfdata(interface);
struct usb_line6 *line6;
if(variax == NULL) return;
if (variax == NULL)
return;
line6 = &variax->line6;
if(line6 == NULL) return;
if (line6 == NULL)
return;
line6_cleanup_audio(line6);
/* free dump request data: */
......@@ -385,7 +400,7 @@ static void variax_destruct(struct usb_interface *interface)
line6_dumpreq_destructbuf(&variax->dumpreq, 1);
line6_dumpreq_destruct(&variax->dumpreq);
if(variax->buffer_activate) kfree(variax->buffer_activate);
kfree(variax->buffer_activate);
del_timer_sync(&variax->activate_timer);
}
......@@ -412,32 +427,37 @@ static int variax_create_files2(struct device *dev)
/*
Init workbench device.
*/
int variax_init(struct usb_interface *interface, struct usb_line6_variax *variax)
int variax_init(struct usb_interface *interface,
struct usb_line6_variax *variax)
{
int err;
if((interface == NULL) || (variax == NULL)) return -ENODEV;
if ((interface == NULL) || (variax == NULL))
return -ENODEV;
/* initialize USB buffers: */
err = line6_dumpreq_init(&variax->dumpreq, variax_request_model1, sizeof(variax_request_model1));
err = line6_dumpreq_init(&variax->dumpreq, variax_request_model1,
sizeof(variax_request_model1));
if(err < 0) {
if (err < 0) {
dev_err(&interface->dev, "Out of memory\n");
variax_destruct(interface);
return err;
}
err = line6_dumpreq_initbuf(&variax->dumpreq, variax_request_model2, sizeof(variax_request_model2), 1);
err = line6_dumpreq_initbuf(&variax->dumpreq, variax_request_model2,
sizeof(variax_request_model2), 1);
if(err < 0) {
if (err < 0) {
dev_err(&interface->dev, "Out of memory\n");
variax_destruct(interface);
return err;
}
err = line6_dumpreq_initbuf(&variax->dumpreq, variax_request_bank, sizeof(variax_request_bank), 2);
err = line6_dumpreq_initbuf(&variax->dumpreq, variax_request_bank,
sizeof(variax_request_bank), 2);
if(err < 0) {
if (err < 0) {
dev_err(&interface->dev, "Out of memory\n");
variax_destruct(interface);
return err;
......@@ -445,46 +465,53 @@ int variax_init(struct usb_interface *interface, struct usb_line6_variax *variax
variax->buffer_activate = kmalloc(sizeof(variax_activate), GFP_KERNEL);
if(variax->buffer_activate == NULL) {
if (variax->buffer_activate == NULL) {
dev_err(&interface->dev, "Out of memory\n");
variax_destruct(interface);
return -ENOMEM;
}
memcpy(variax->buffer_activate, variax_activate, sizeof(variax_activate));
memcpy(variax->buffer_activate, variax_activate,
sizeof(variax_activate));
init_timer(&variax->activate_timer);
/* create sysfs entries: */
if((err = variax_create_files(0, 0, &interface->dev)) < 0) {
err = variax_create_files(0, 0, &interface->dev);
if (err < 0) {
variax_destruct(interface);
return err;
}
if((err = variax_create_files2(&interface->dev)) < 0) {
err = variax_create_files2(&interface->dev);
if (err < 0) {
variax_destruct(interface);
return err;
}
/* initialize audio system: */
if((err = line6_init_audio(&variax->line6)) < 0) {
err = line6_init_audio(&variax->line6);
if (err < 0) {
variax_destruct(interface);
return err;
}
/* initialize MIDI subsystem: */
if((err = line6_init_midi(&variax->line6)) < 0) {
err = line6_init_midi(&variax->line6);
if (err < 0) {
variax_destruct(interface);
return err;
}
/* register audio system: */
if((err = line6_register_audio(&variax->line6)) < 0) {
err = line6_register_audio(&variax->line6);
if (err < 0) {
variax_destruct(interface);
return err;
}
variax_activate_delayed(variax, VARIAX_ACTIVATE_DELAY);
line6_startup_delayed(&variax->dumpreq, VARIAX_STARTUP_DELAY, variax_startup_timeout, variax);
line6_startup_delayed(&variax->dumpreq, VARIAX_STARTUP_DELAY,
variax_startup_timeout, variax);
return 0;
}
......@@ -495,10 +522,11 @@ void variax_disconnect(struct usb_interface *interface)
{
struct device *dev;
if(interface == NULL) return;
if (interface == NULL)
return;
dev = &interface->dev;
if(dev != NULL) {
if (dev != NULL) {
/* remove sysfs entries: */
variax_remove_files(0, 0, dev);
device_remove_file(dev, &dev_attr_model);
......
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