Blame SOURCES/ccid-1.4.10-voltage.patch
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diff -up ./src/commands.c.voltage ./src/commands.c
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--- ./src/commands.c.voltage 2013-03-16 06:52:33.000000000 -0700
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+++ ./src/commands.c 2013-11-26 15:44:13.533254750 -0800
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@@ -97,6 +97,7 @@ RESPONSECODE CmdPowerOn(unsigned int rea
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status_t res;
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int length, count = 1;
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unsigned int atr_len;
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+ int init_voltage = 0;
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RESPONSECODE return_value = IFD_SUCCESS;
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_ccid_descriptor *ccid_descriptor = get_ccid_descriptor(reader_index);
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@@ -207,6 +208,7 @@ RESPONSECODE CmdPowerOn(unsigned int rea
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voltage = 0; /* auto */
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}
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}
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+ init_voltage = voltage;
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again:
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cmd[0] = 0x62; /* IccPowerOn */
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@@ -256,14 +258,19 @@ again:
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}
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/* continue with 3 volts and 5 volts */
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- if (voltage > 1)
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+ if (voltage)
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{
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const char *voltage_code[] = { "auto", "5V", "3V", "1.8V" };
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DEBUG_INFO3("Power up with %s failed. Try with %s.",
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voltage_code[voltage], voltage_code[voltage-1]);
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voltage--;
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- goto again;
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+ if (voltage == 0) {
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+ voltage = 3;
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+ }
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+ if (voltage != init_voltage) {
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+ goto again;
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+ }
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}
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return IFD_COMMUNICATION_ERROR;
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