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V4L/DVB (5425): M920x: rework driver code to allow for different devices 

Signed-off-by: Aapo Tahkola <aet@rasterburn.org>
Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
This commit is contained in:
Aapo Tahkola 2007-03-05 18:54:27 -03:00 committed by Mauro Carvalho Chehab
parent 26a154c355
commit 480ac76172
1 changed files with 28 additions and 23 deletions
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51
drivers/media/dvb/dvb-usb/m920x.c
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@ -67,16 +67,18 @@ static inline int m9206_write(struct usb_device *udev, u8 request,
return ret;
}
static int m9206_rc_init(struct usb_device *udev)
static int m9206_init(struct dvb_usb_device *d)
{
int ret = 0;
/* Remote controller init. */
if ((ret = m9206_write(udev, M9206_CORE, 0xa8, M9206_RC_INIT2)) != 0)
return ret;
if (d->props.rc_query) {
if ((ret = m9206_write(d->udev, M9206_CORE, 0xa8, M9206_RC_INIT2)) != 0)
return ret;
if ((ret = m9206_write(udev, M9206_CORE, 0x51, M9206_RC_INIT1)) != 0)
return ret;
if ((ret = m9206_write(d->udev, M9206_CORE, 0x51, M9206_RC_INIT1)) != 0)
return ret;
}
return ret;
}
@ -94,9 +96,9 @@ static int m9206_rc_query(struct dvb_usb_device *d, u32 *event, int *state)
if ((ret = m9206_read(d->udev, M9206_CORE, 0x0, M9206_RC_KEY, rc_state + 1, 1)) != 0)
goto unlock;
for (i = 0; i < ARRAY_SIZE(megasky_rc_keys); i++)
if (megasky_rc_keys[i].data == rc_state[1]) {
*event = megasky_rc_keys[i].event;
for (i = 0; i < d->props.rc_key_map_size; i++)
if (d->props.rc_key_map[i].data == rc_state[1]) {
*event = d->props.rc_key_map[i].event;
switch(rc_state[0]) {
case 0x80:
@ -412,25 +414,28 @@ static int m920x_probe(struct usb_interface *intf,
struct usb_host_interface *alt;
int ret;
if ((ret = dvb_usb_device_init(intf, &megasky_properties, THIS_MODULE, &d)) == 0) {
deb_rc("probed!\n");
deb_rc("Probed!\n");
alt = usb_altnum_to_altsetting(intf, 1);
if (alt == NULL) {
deb_rc("not alt found!\n");
return -ENODEV;
}
if ((ret = dvb_usb_device_init(intf, &megasky_properties, THIS_MODULE, &d)) == 0)
goto found;
ret = usb_set_interface(d->udev, alt->desc.bInterfaceNumber,
alt->desc.bAlternateSetting);
if (ret < 0)
return ret;
return ret;
deb_rc("Changed to alternate setting!\n");
if ((ret = m9206_rc_init(d->udev)) != 0)
return ret;
found:
alt = usb_altnum_to_altsetting(intf, 1);
if (alt == NULL) {
deb_rc("No alt found!\n");
return -ENODEV;
}
ret = usb_set_interface(d->udev, alt->desc.bInterfaceNumber,
alt->desc.bAlternateSetting);
if (ret < 0)
return ret;
if ((ret = m9206_init(d)) != 0)
return ret;
return ret;
}