Dear INAGAKI and SUZUKI, I used your patch for putting DM355 in deep sleep.
While going to deep sleep the code works fine. But when I try to wake up DM355 it fails sometime, wake-up fails randomly. Please can you suggest me what can be the problem. I am using kernel version 2.6.10 and I added the patch as it is. Thanks, azam. INAGAKI Takahiko Tue, 28 Oct 2008 22:26:48 -0700 Dear all, I and Suzuki made a patch to bring the DM355 into Deep Sleep Mode. It is for TI LSP 1.20 (Linux 2.6.10), and based on: http://www.mail-archive.com/[email protected]/msg04407.html Running command below, DM355 will go to Deep Sleep Mode: # echo mem > /sys/power/state In the process, DM355 sends a register write command to MSP430, offset = 0x19 and data = 0. You should implement a register 0x19 write function for MSP430 to assert its DS_ENABLE pin low. Asserted DS_ENABLE pin high, DM355 will exit Deep Sleep Mode. A proglem is that this code stops the ARM subsystem, but its consumption current does not seem to change. Any idea to reduce the current is welcome. INAGAKI Takahiko
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