static ssize_t g19_name_store(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t count)
{
unsigned long irq_flags;
struct gcommon_data *gdata = dev_get_gdata(dev);
size_t limit = count;
char *end;
spin_lock_irqsave(&gdata->lock, irq_flags);
if (gdata->name != NULL) {
kfree(gdata->name);
gdata->name = NULL;
}
end = strpbrk(buf, "\n\r");
if (end != NULL)
limit = end - buf;
if (end != buf) {
if (limit > 100)
limit = 100;
gdata->name = kzalloc(limit+1, GFP_ATOMIC);
strncpy(gdata->name, buf, limit);
}
spin_unlock_irqrestore(&gdata->lock, irq_flags);
return count;
}
static int g15_raw_event(struct hid_device *hdev,
struct hid_report *report,
u8 *raw_data, int size)
{
/*
* On initialization receive a 258 byte message with
* data = 6 0 255 255 255 255 255 255 255 255 ...
*/
unsigned long irq_flags;
struct gcommon_data *gdata = dev_get_gdata(&hdev->dev);
struct g15_data *g15data = gdata->data;
spin_lock_irqsave(&gdata->lock, irq_flags);
if (unlikely(g15data->need_reset)) {
g15_msg_send(hdev, 4, ~g15data->led, 0);
g15data->need_reset = 0;
spin_unlock_irqrestore(&gdata->lock, irq_flags);
return 1;
}
if (unlikely(g15data->ready_stages != G15_READY_STAGE_3)) {
switch (report->id) {
case 6:
if (!(g15data->ready_stages & G15_READY_SUBSTAGE_1))
g15data->ready_stages |= G15_READY_SUBSTAGE_1;
else if (g15data->ready_stages & G15_READY_SUBSTAGE_4 &&
!(g15data->ready_stages & G15_READY_SUBSTAGE_5)
)
g15data->ready_stages |= G15_READY_SUBSTAGE_5;
else if (g15data->ready_stages & G15_READY_SUBSTAGE_6 &&
raw_data[1] >= 0x80)
g15data->ready_stages |= G15_READY_SUBSTAGE_7;
break;
case 1:
if (!(g15data->ready_stages & G15_READY_SUBSTAGE_2))
g15data->ready_stages |= G15_READY_SUBSTAGE_2;
else
g15data->ready_stages |= G15_READY_SUBSTAGE_3;
break;
}
if (g15data->ready_stages == G15_READY_STAGE_1 ||
g15data->ready_stages == G15_READY_STAGE_2 ||
g15data->ready_stages == G15_READY_STAGE_3)
complete_all(&g15data->ready);
spin_unlock_irqrestore(&gdata->lock, irq_flags);
return 1;
}
spin_unlock_irqrestore(&gdata->lock, irq_flags);
if (likely(report->id == 2)) {
g15_raw_event_process_input(hdev, gdata, raw_data);
return 1;
}
return 0;
}
ssize_t gcore_minor_show(struct device *dev,
struct device_attribute *attr,
char *buf)
{
struct gcore_data *gdata = dev_get_gdata(dev);
return sprintf(buf, "%d\n", gdata->hdev->minor);
}
ssize_t gcore_name_show(struct device *dev,
struct device_attribute *attr,
char *buf)
{
unsigned long irq_flags;
struct gcore_data *gdata = dev_get_gdata(dev);
int result;
spin_lock_irqsave(&gdata->lock, irq_flags);
result = sprintf(buf, "%s", gdata->name);
spin_unlock_irqrestore(&gdata->lock, irq_flags);
return result;
}
static ssize_t g19_name_show(struct device *dev,
struct device_attribute *attr,
char *buf)
{
unsigned long irq_flags;
struct gcommon_data *gdata = dev_get_gdata(dev);
int result;
if (gdata->name == NULL) {
buf[0] = 0x00;
return 1;
}
spin_lock_irqsave(&gdata->lock, irq_flags);
result = sprintf(buf, "%s", gdata->name);
spin_unlock_irqrestore(&gdata->lock, irq_flags);
return result;
}
