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path: root/drivers/media/video/ir-kbd-i2c.c
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Diffstat (limited to 'drivers/media/video/ir-kbd-i2c.c')
-rw-r--r--drivers/media/video/ir-kbd-i2c.c82
1 files changed, 0 insertions, 82 deletions
diff --git a/drivers/media/video/ir-kbd-i2c.c b/drivers/media/video/ir-kbd-i2c.c
index 7b65f5e537f..a30254bed31 100644
--- a/drivers/media/video/ir-kbd-i2c.c
+++ b/drivers/media/video/ir-kbd-i2c.c
@@ -194,88 +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 <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)