}
if(buf[0] !=0 || buf[1] !=0 || buf[2] !=0 || buf[3] != 0)
- dprintk(2, "%s: 0x%2x 0x%2x 0x%2x 0x%2x\n", __FUNCTION__,
+ dprintk(2, "%s: 0x%2x 0x%2x 0x%2x 0x%2x\n", __func__,
buf[0], buf[1], buf[2], buf[3]);
/* no key pressed or signal from other ir remote */
return 1;
}
-/* Common (grey or coloured) pinnacle PCTV remote handling
- *
- */
-static int get_key_pinnacle(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw,
- int parity_offset, int marker, int code_modulo)
-{
- unsigned char b[4];
- unsigned int start = 0,parity = 0,code = 0;
-
- /* poll IR chip */
- if (4 != i2c_master_recv(&ir->c,b,4)) {
- dprintk(2,"read error\n");
- return -EIO;
- }
-
- for (start = 0; start < ARRAY_SIZE(b); start++) {
- if (b[start] == marker) {
- code=b[(start+parity_offset+1)%4];
- parity=b[(start+parity_offset)%4];
- }
- }
-
- /* Empty Request */
- if (parity==0)
- return 0;
-
- /* Repeating... */
- if (ir->old == parity)
- return 0;
-
- ir->old = parity;
-
- /* drop special codes when a key is held down a long time for the grey controller
- In this case, the second bit of the code is asserted */
- if (marker == 0xfe && (code & 0x40))
- return 0;
-
- code %= code_modulo;
-
- *ir_raw = code;
- *ir_key = code;
-
- dprintk(1,"Pinnacle PCTV key %02x\n", code);
-
- return 1;
-}
-
-/* The grey pinnacle PCTV remote
- *
- * There are one issue with this remote:
- * - I2c packet does not change when the same key is pressed quickly. The workaround
- * is to hold down each key for about half a second, so that another code is generated
- * in the i2c packet, and the function can distinguish key presses.
- *
- * Sylvain Pasche <sylvain.pasche@gmail.com>
- */
-int get_key_pinnacle_grey(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw)
-{
-
- return get_key_pinnacle(ir, ir_key, ir_raw, 1, 0xfe, 0xff);
-}
-
-EXPORT_SYMBOL_GPL(get_key_pinnacle_grey);
-
-
-/* The new pinnacle PCTV remote (with the colored buttons)
- *
- * Ricardo Cerqueira <v4l@cerqueira.org>
- */
-int get_key_pinnacle_color(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw)
-{
- /* code_modulo parameter (0x88) is used to reduce code value to fit inside IR_KEYTAB_SIZE
- *
- * this is the only value that results in 42 unique
- * codes < 128
- */
-
- return get_key_pinnacle(ir, ir_key, ir_raw, 2, 0x80, 0x88);
-}
-
-EXPORT_SYMBOL_GPL(get_key_pinnacle_color);
-
/* ----------------------------------------------------------------------- */
static void ir_key_poll(struct IR_i2c *ir)
static const int probe_cx88[] = { 0x18, 0x6b, 0x71, -1 };
static const int probe_cx23885[] = { 0x6b, -1 };
const int *probe;
- struct i2c_client *c;
- unsigned char buf;
+ struct i2c_msg msg = {
+ .flags = I2C_M_RD,
+ .len = 0,
+ .buf = NULL,
+ };
int i, rc;
switch (adap->id) {
return 0;
}
- c = kzalloc(sizeof(*c), GFP_KERNEL);
- if (!c)
- return -ENOMEM;
-
- c->adapter = adap;
for (i = 0; -1 != probe[i]; i++) {
- c->addr = probe[i];
- rc = i2c_master_recv(c, &buf, 0);
+ msg.addr = probe[i];
+ rc = i2c_transfer(adap, &msg, 1);
dprintk(1,"probe 0x%02x @ %s: %s\n",
probe[i], adap->name,
- (0 == rc) ? "yes" : "no");
- if (0 == rc) {
+ (1 == rc) ? "yes" : "no");
+ if (1 == rc) {
ir_attach(adap, probe[i], 0, 0);
break;
}
}
- kfree(c);
return 0;
}