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aes1610: improve gain settings

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This commit is contained in:
Vasily Khoruzhick 2015-09-29 17:08:51 -07:00
parent 9437c98d54
commit 67d29f7936
1 changed files with 5 additions and 5 deletions
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10
libfprint/drivers/aes1610.c
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@ -413,7 +413,7 @@ static unsigned char list_BE_values[10] = {
/*
* The different possible values for 0xBD register */
static unsigned char list_BD_values[10] = {
0x48, 0x4B, 0x4F, 0x52, 0x57, 0x59, 0x5B
0x28, 0x2b, 0x30, 0x3b, 0x45, 0x49, 0x4B
};
/*
@ -434,25 +434,25 @@ static int adjust_gain(unsigned char *buffer, int status)
strip_scan_reqs[0].value = 0x6B;
strip_scan_reqs[1].value = 0x06;
strip_scan_reqs[2].value = 0x35;
strip_scan_reqs[3].value = 0x5B;
strip_scan_reqs[3].value = 0x4B;
}
else if (buffer[1] > 0x55) {
strip_scan_reqs[0].value = 0x63;
strip_scan_reqs[1].value = 0x15;
strip_scan_reqs[2].value = 0x35;
strip_scan_reqs[3].value = 0x4F;
strip_scan_reqs[3].value = 0x3b;
}
else if (buffer[1] > 0x40 || buffer[16] > 0x19) {
strip_scan_reqs[0].value = 0x43;
strip_scan_reqs[1].value = 0x13;
strip_scan_reqs[2].value = 0x35;
strip_scan_reqs[3].value = 0x4B;
strip_scan_reqs[3].value = 0x30;
}
else { // minimum gain needed
strip_scan_reqs[0].value = 0x23;
strip_scan_reqs[1].value = 0x07;
strip_scan_reqs[2].value = 0x35;
strip_scan_reqs[3].value = 0x48;
strip_scan_reqs[3].value = 0x28;
}
// Now copy this values in capture_reqs