-rw-r--r-- | libopie/odevice.cpp | 49 |
1 files changed, 29 insertions, 20 deletions
diff --git a/libopie/odevice.cpp b/libopie/odevice.cpp index 4b5a54e..4c33a0e 100644 --- a/libopie/odevice.cpp +++ b/libopie/odevice.cpp @@ -781,3 +781,2 @@ QStrList &ODevice::cpuFrequencies ( ) const { -qWarning("ODevice::cpuFrequencies: m_cpu_frequencies is %d", (int) d->m_cpu_frequencies); return *d->m_cpu_frequencies; @@ -799,15 +798,13 @@ bool ODevice::setCpuFrequency(uint index) - //TODO: do the change in /proc/sys/cpu/0/speed - - return false; -} + int fd; -/** - * Returns current frequency index out of d->m_cpu_frequencies - */ -uint ODevice::cpuFrequency() const -{ - // TODO: get freq from /proc/sys/cpu/0/speed and return index + if ((fd = ::open("/proc/sys/cpu/0/speed", O_WRONLY)) >= 0) { + char writeCommand[50]; + const int count = sprintf(writeCommand, "%s\n", freq); + int res = (::write(fd, writeCommand, count) != -1); + ::close(fd); + return res; + } - return 0; + return false; } @@ -815,3 +812,2 @@ uint ODevice::cpuFrequency() const - /** @@ -1994,7 +1990,22 @@ void Ramses::init() -qWarning("adding freq"); - d->m_cpu_frequencies->append("100"); - d->m_cpu_frequencies->append("200"); - d->m_cpu_frequencies->append("300"); - d->m_cpu_frequencies->append("400"); +#ifdef QT_QWS_ALLOW_OVERCLOCK +#warning *** Overclocking enabled - this may fry your hardware - you have been warned *** +#define OC(x...) x +#else +#define OC(x...) +#endif + + + // This table is true for a Intel XScale PXA 255 + + d->m_cpu_frequencies->append("99000"); // mem= 99, run= 99, turbo= 99, PXbus= 50 +OC( d->m_cpu_frequencies->append("118000"); ) // mem=118, run=118, turbo=118, PXbus= 59 OC'd mem + d->m_cpu_frequencies->append("199100"); // mem= 99, run=199, turbo=199, PXbus= 99 +OC( d->m_cpu_frequencies->append("236000"); ) // mem=118, run=236, turbo=236, PXbus=118 OC'd mem + d->m_cpu_frequencies->append("298600"); // mem= 99, run=199, turbo=298, PXbus= 99 +OC( d->m_cpu_frequencies->append("354000"); ) // mem=118, run=236, turbo=354, PXbus=118 OC'd mem + d->m_cpu_frequencies->append("398099"); // mem= 99, run=199, turbo=398, PXbus= 99 + d->m_cpu_frequencies->append("398100"); // mem= 99, run=398, turbo=398, PXbus=196 +OC( d->m_cpu_frequencies->append("471000"); ) // mem=118, run=471, turbo=471, PXbus=236 OC'd mem/core/bus + } @@ -2146,4 +2157,2 @@ bool Ramses::setDisplayContrast(int contr) ::close(fd); - } else { - qWarning("no write"); } |