/*
* si470x_get_register - read register
*/
int si470x_get_register(struct si470x_device *radio, int regnr)
{
int retval;
radio->usb_buf[0] = REGISTER_REPORT(regnr);
retval = si470x_get_report(radio, radio->usb_buf, REGISTER_REPORT_SIZE);
if (retval >= 0)
radio->registers[regnr] = get_unaligned_be16(&radio->usb_buf[1]);
return (retval < 0) ? -EINVAL : 0;
}
/*
* si470x_get_register - read register
*/
static int si470x_get_register(struct si470x_device *radio, int regnr)
{
unsigned char buf[REGISTER_REPORT_SIZE];
int retval;
buf[0] = REGISTER_REPORT(regnr);
retval = si470x_get_report(radio, (void *) &buf, sizeof(buf));
if (retval >= 0)
radio->registers[regnr] = get_unaligned_be16(&buf[1]);
return (retval < 0) ? -EINVAL : 0;
}
/*
* si470x_get_all_registers - read entire registers
*/
static int si470x_get_all_registers(struct si470x_device *radio)
{
int retval;
unsigned char regnr;
radio->usb_buf[0] = ENTIRE_REPORT;
retval = si470x_get_report(radio, radio->usb_buf, ENTIRE_REPORT_SIZE);
if (retval >= 0)
for (regnr = 0; regnr < RADIO_REGISTER_NUM; regnr++)
radio->registers[regnr] = get_unaligned_be16(
&radio->usb_buf[regnr * RADIO_REGISTER_SIZE + 1]);
return (retval < 0) ? -EINVAL : 0;
}
/*
* si470x_get_scratch_versions - gets the scratch page and version infos
*/
static int si470x_get_scratch_page_versions(struct si470x_device *radio)
{
int retval;
radio->usb_buf[0] = SCRATCH_REPORT;
retval = si470x_get_report(radio, radio->usb_buf, SCRATCH_REPORT_SIZE);
if (retval < 0)
dev_warn(&radio->intf->dev, "si470x_get_scratch: si470x_get_report returned %d\n",
retval);
else {
radio->software_version = radio->usb_buf[1];
radio->hardware_version = radio->usb_buf[2];
}
return (retval < 0) ? -EINVAL : 0;
}
/*
* si470x_get_all_registers - read entire registers
*/
static int si470x_get_all_registers(struct si470x_device *radio)
{
unsigned char buf[ENTIRE_REPORT_SIZE];
int retval;
unsigned char regnr;
buf[0] = ENTIRE_REPORT;
retval = si470x_get_report(radio, (void *) &buf, sizeof(buf));
if (retval >= 0)
for (regnr = 0; regnr < RADIO_REGISTER_NUM; regnr++)
radio->registers[regnr] = be16_to_cpu(get_unaligned(
(unsigned short *)
&buf[regnr * RADIO_REGISTER_SIZE + 1]));
return (retval < 0) ? -EINVAL : 0;
}
/*
* si470x_get_scratch_versions - gets the scratch page and version infos
*/
static int si470x_get_scratch_page_versions(struct si470x_device *radio)
{
unsigned char buf[SCRATCH_REPORT_SIZE];
int retval;
buf[0] = SCRATCH_REPORT;
retval = si470x_get_report(radio, (void *) &buf, sizeof(buf));
if (retval < 0)
printk(KERN_WARNING DRIVER_NAME ": si470x_get_scratch: "
"si470x_get_report returned %d\n", retval);
else {
radio->software_version = buf[1];
radio->hardware_version = buf[2];
}
return (retval < 0) ? -EINVAL : 0;
}