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authorIgor M. Liplianin <liplianin@me.by>2009-06-13 15:10:24 +0400
committerMauro Carvalho Chehab <mchehab@redhat.com>2009-06-17 02:07:46 +0400
commit8a8dad71485cbfc21ddc0e93f4ae4338b68b82b1 (patch)
tree235a14f49990649d1c6fa3c472c93226ad237b22 /drivers/media/dvb/dvb-usb/dw2102.c
parent1cdc6392b74246be333e2c88b61beedbf9991422 (diff)
downloadlinux-8a8dad71485cbfc21ddc0e93f4ae4338b68b82b1.tar.xz
V4L/DVB (11981): Remote control debugging for dw2102 driver based USB cards
Remote control debugging for dw2102 driver based USB cards It includes DVBWorld, TeVii, Terratec and others. Type 'modprobe dvb-usb-dw2102 debug=4', then look at dmesg output. Signed-off-by: Igor M. Liplianin <liplianin@me.by> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/dvb/dvb-usb/dw2102.c')
-rw-r--r--drivers/media/dvb/dvb-usb/dw2102.c27
1 files changed, 20 insertions, 7 deletions
diff --git a/drivers/media/dvb/dvb-usb/dw2102.c b/drivers/media/dvb/dvb-usb/dw2102.c
index c65f273ff313..dee9399f8597 100644
--- a/drivers/media/dvb/dvb-usb/dw2102.c
+++ b/drivers/media/dvb/dvb-usb/dw2102.c
@@ -51,7 +51,9 @@ struct dw210x_rc_keys {
/* debug */
static int dvb_usb_dw2102_debug;
module_param_named(debug, dvb_usb_dw2102_debug, int, 0644);
-MODULE_PARM_DESC(debug, "set debugging level (1=info 2=xfer (or-able))." DVB_USB_DEBUG_STATUS);
+MODULE_PARM_DESC(debug, "set debugging level (1=info 2=xfer 4=rc(or-able))."
+ DVB_USB_DEBUG_STATUS);
+
DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
@@ -553,26 +555,37 @@ static int dw2102_rc_query(struct dvb_usb_device *d, u32 *event, int *state)
{
struct dw210x_state *st = d->priv;
u8 key[2];
- struct i2c_msg msg[] = {
- {.addr = DW2102_RC_QUERY, .flags = I2C_M_RD, .buf = key,
- .len = 2},
+ struct i2c_msg msg = {
+ .addr = DW2102_RC_QUERY,
+ .flags = I2C_M_RD,
+ .buf = key,
+ .len = 2
};
int i;
*state = REMOTE_NO_KEY_PRESSED;
- if (dw2102_i2c_transfer(&d->i2c_adap, msg, 1) == 1) {
+ if (dw2102_i2c_transfer(&d->i2c_adap, &msg, 1) == 1) {
for (i = 0; i < ARRAY_SIZE(dw210x_rc_keys); i++) {
- if (dw210x_rc_keys[i].data == msg[0].buf[0]) {
+ if (dw210x_rc_keys[i].data == msg.buf[0]) {
*state = REMOTE_KEY_PRESSED;
*event = dw210x_rc_keys[i].event;
st->last_key_pressed =
dw210x_rc_keys[i].event;
break;
}
+
st->last_key_pressed = 0;
}
+
+ if ((*state) == REMOTE_KEY_PRESSED)
+ deb_rc("%s: found rc key: %x, %x, event: %x\n",
+ __func__, key[0], key[1], (*event));
+ else if (key[0] != 0xff)
+ deb_rc("%s: unknown rc key: %x, %x\n",
+ __func__, key[0], key[1]);
+
}
- /* info("key: %x %x\n",key[0],key[1]); */
+
return 0;
}