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![Sebastian Andrzej Siewior](/assets/img/avatar_default.png)
The kernel's version number is used as decimal in the bcdDevice field of the RH descriptor. For kernel version v3.12 we would see 3.0c in lsusb. I am not sure how important it is to stick with bcd values since this is this way since we started git history and nobody complained (however back then we reported only 2.6). Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
14 lines
261 B
C
14 lines
261 B
C
#include <linux/bcd.h>
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#include <linux/export.h>
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unsigned _bcd2bin(unsigned char val)
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{
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return (val & 0x0f) + (val >> 4) * 10;
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}
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EXPORT_SYMBOL(_bcd2bin);
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unsigned char _bin2bcd(unsigned val)
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{
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return ((val / 10) << 4) + val % 10;
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}
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EXPORT_SYMBOL(_bin2bcd);
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