From 5d21c8cb1db547580b8b0cabbee6dd773143d39d Mon Sep 17 00:00:00 2001 From: Michael Giacomelli Date: Mon, 24 Nov 2008 03:59:21 +0000 Subject: First part of FS#9570 by Antonius Hellmann. Disables power to the SD memory when not in use. Gives a sizeable power savings (4 mA by his measurement). git-svn-id: svn://svn.rockbox.org/rockbox/trunk@19194 a1c6a512-1295-4272-9138-f99709370657 --- firmware/target/arm/ata-sd-pp.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) (limited to 'firmware/target') diff --git a/firmware/target/arm/ata-sd-pp.c b/firmware/target/arm/ata-sd-pp.c index 8ebec39fa8..8f2ee503d8 100644 --- a/firmware/target/arm/ata-sd-pp.c +++ b/firmware/target/arm/ata-sd-pp.c @@ -758,7 +758,7 @@ int sd_read_sectors(IF_MV2(int drive,) unsigned long start, int incount, /* TODO: Add DMA support. */ mutex_lock(&sd_mtx); - + sd_enable(true); sd_led(true); sd_read_retry: @@ -844,6 +844,7 @@ sd_read_retry: while (1) { sd_led(false); + sd_enable(false); mutex_unlock(&sd_mtx); return ret; @@ -873,7 +874,7 @@ int sd_write_sectors(IF_MV2(int drive,) unsigned long start, int count, int bank; mutex_lock(&sd_mtx); - + sd_enable(true); sd_led(true); sd_write_retry: @@ -972,6 +973,7 @@ sd_write_retry: while (1) { sd_led(false); + sd_enable(false); mutex_unlock(&sd_mtx); return ret; -- cgit v1.2.3