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It necessary to mask to validate bits.

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This commit is contained in:
kiyohara 2006-06-12 16:07:33 +00:00
parent 34440af2fc
commit 19d35b3135
1 changed files with 2 additions and 2 deletions
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4
sys/dev/i2c/lm75.c
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@ -1,4 +1,4 @@
/* $NetBSD: lm75.c,v 1.9 2006/05/17 00:10:54 kiyohara Exp $ */
/* $NetBSD: lm75.c,v 1.10 2006/06/12 16:07:33 kiyohara Exp $ */
/*
* Copyright (c) 2003 Wasabi Systems, Inc.
@ -326,7 +326,7 @@ lmtemp_decode_lm77(const uint8_t *buf)
* D11 - D3 : Bit8(MSB) - Bit0
*/
temp = (int8_t)buf[0];
temp = (temp << 5) | (buf[1] >> 3);
temp = (temp << 5) | ((buf[1] >> 3) & 0x1f);
/* Temp is given in 1/2 deg. C, we convert to uK. */
val = temp * 500000 + 273150000;