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V4L/DVB (11981): Remote control debugging for dw2102 driver based USB cards

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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>
This commit is contained in:
Igor M. Liplianin 2009-06-13 08:10:24 -03:00 committed by Mauro Carvalho Chehab
parent 1cdc6392b7
commit 8a8dad7148
2 changed files with 21 additions and 7 deletions
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27
drivers/media/dvb/dvb-usb/dw2102.c
View File

@ -51,7 +51,9 @@ struct dw210x_rc_keys {
/* debug */ /* debug */
static int dvb_usb_dw2102_debug; static int dvb_usb_dw2102_debug;
module_param_named(debug, dvb_usb_dw2102_debug, int, 0644); 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); 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; struct dw210x_state *st = d->priv;
u8 key[2]; u8 key[2];
struct i2c_msg msg[] = { struct i2c_msg msg = {
{.addr = DW2102_RC_QUERY, .flags = I2C_M_RD, .buf = key, .addr = DW2102_RC_QUERY,
.len = 2}, .flags = I2C_M_RD,
.buf = key,
.len = 2
}; };
int i; int i;
*state = REMOTE_NO_KEY_PRESSED; *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++) { 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; *state = REMOTE_KEY_PRESSED;
*event = dw210x_rc_keys[i].event; *event = dw210x_rc_keys[i].event;
st->last_key_pressed = st->last_key_pressed =
dw210x_rc_keys[i].event; dw210x_rc_keys[i].event;
break; break;
} }
st->last_key_pressed = 0; 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; return 0;
} }

1
drivers/media/dvb/dvb-usb/dw2102.h
View File

@ -5,4 +5,5 @@
#include "dvb-usb.h" #include "dvb-usb.h"
#define deb_xfer(args...) dprintk(dvb_usb_dw2102_debug, 0x02, args) #define deb_xfer(args...) dprintk(dvb_usb_dw2102_debug, 0x02, args)
#define deb_rc(args...) dprintk(dvb_usb_dw2102_debug, 0x04, args)
#endif #endif