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FS#11646 - Reduce power supply for nano2g LCD controllers

Attached to Project: Rockbox
Opened by Andree Buschmann (Buschel) - Tuesday, 28 September 2010, 20:31 GMT+2
Last edited by Andree Buschmann (Buschel) - Friday, 01 October 2010, 20:11 GMT+2
Task Type Patches
Category LCD
Status Closed
Assigned To Andree Buschmann (Buschel)
Player Type iPod Nano 2G
Severity Low
Priority Normal
Reported Version Release 3.6
Due in Version Undecided
Due Date Undecided
Percent Complete 100%
Private No

Details

The following patch reduces the voltage of the nano 2G LCD controller's power supply. Voltage is lowered from 3.0 V to 2.6 V -- 2.6 V is the minimum common voltage for both ILI9320 and LDS176 types.

With this patch my nano 2G (LDS176) stops humming :o)

This patch needs verification with a ILI9320 LCD type.
   lcd_voltage_v01.patch (0.5 KiB) 
 firmware/target/arm/s5l8700/ipodnano2g/power-nano2g.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

This task depends upon

Closed by  Andree Buschmann (Buschel)
Friday, 01 October 2010, 20:11 GMT+2
Reason for closing:  Accepted
Additional comments about closing:  Submitted with r28190.

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