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[media] bttv-input: Add a note about PV951 RC
When comparing lirc-i2c and ir-kbd-i2c/bttv-input logic, a difference was noticed. As lirc-i2c will be removed soon, store the difference on a comment inside ir-kbd-i2c, in order to preserve the knowledge we have about that remote controller. Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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@ -354,6 +354,18 @@ static int get_key_pv951(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw)
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return 0;
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dprintk(KERN_INFO DEVNAME ": key %02x\n", b);
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/*
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* NOTE:
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* lirc_i2c maps the pv951 code as:
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* addr = 0x61D6
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* cmd = bit_reverse (b)
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* So, it seems that this device uses NEC extended
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* I decided to not fix the table, due to two reasons:
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* 1) Without the actual device, this is only a guess;
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* 2) As the addr is not reported via I2C, nor can be changed,
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* the device is bound to the vendor-provided RC.
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*/
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*ir_key = b;
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*ir_raw = b;
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return 1;
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