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pcf50605_write_multiple must prelock driver or the series of bytes may be interrupted resulting in something you didn't intend. :)

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@15807 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Michael Sevakis 2007-11-26 07:59:42 +00:00
parent e711de2974
commit 9beb210007
1 changed files with 6 additions and 0 deletions
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6
firmware/drivers/pcf50605.c
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@ -91,8 +91,14 @@ int pcf50605_write(int address, unsigned char val)
int pcf50605_write_multiple(int address, const unsigned char* buf, int count) int pcf50605_write_multiple(int address, const unsigned char* buf, int count)
{ {
int i; int i;
i2c_lock();
for (i = 0; i < count; i++) for (i = 0; i < count; i++)
pp_i2c_send(0x8, address + i, buf[i]); pp_i2c_send(0x8, address + i, buf[i]);
i2c_unlock();
return 0; return 0;
} }