X-Git-Url: http://git.cascardo.info/?a=blobdiff_plain;f=drivers%2Fmedia%2Fvideo%2Fir-kbd-i2c.c;h=a30254bed3119ed8483270d7f6e8cdb79624da6f;hb=9d64fdb15b1b9ce9144cfde4001e9194ccde42d1;hp=9851987b95fbed200c94fa0207817271f3e728d0;hpb=70ec75c5b8e0bda7a16fb387f91e08545f379a0e;p=cascardo%2Flinux.git diff --git a/drivers/media/video/ir-kbd-i2c.c b/drivers/media/video/ir-kbd-i2c.c index 9851987b95fb..a30254bed311 100644 --- a/drivers/media/video/ir-kbd-i2c.c +++ b/drivers/media/video/ir-kbd-i2c.c @@ -40,7 +40,6 @@ #include #include #include -#include #include #include @@ -51,7 +50,7 @@ static int debug; module_param(debug, int, 0644); /* debug level (0,1,2) */ -static int hauppauge = 0; +static int hauppauge; module_param(hauppauge, int, 0644); /* Choose Hauppauge remote */ MODULE_PARM_DESC(hauppauge, "Specify Hauppauge remote: 0=black, 1=grey (defaults to 0)"); @@ -154,7 +153,7 @@ static int get_key_fusionhdtv(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw) } 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 */ @@ -195,88 +194,6 @@ static int get_key_knc1(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw) 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 - */ -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 - */ -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) @@ -509,10 +426,13 @@ static int ir_probe(struct i2c_adapter *adap) static const int probe_em28XX[] = { 0x30, 0x47, -1 }; static const int probe_cx88[] = { 0x18, 0x6b, 0x71, -1 }; static const int probe_cx23885[] = { 0x6b, -1 }; - const int *probe = NULL; - struct i2c_client c; - unsigned char buf; - int i,rc; + const int *probe; + struct i2c_msg msg = { + .flags = I2C_M_RD, + .len = 0, + .buf = NULL, + }; + int i, rc; switch (adap->id) { case I2C_HW_B_BT848: @@ -533,20 +453,18 @@ static int ir_probe(struct i2c_adapter *adap) case I2C_HW_B_CX23885: probe = probe_cx23885; break; - } - if (NULL == probe) + default: return 0; + } - memset(&c,0,sizeof(c)); - 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) { - ir_attach(adap,probe[i],0,0); + (1 == rc) ? "yes" : "no"); + if (1 == rc) { + ir_attach(adap, probe[i], 0, 0); break; } }