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author | Michael Giacomelli <giac2000@hotmail.com> | 2008-11-24 03:59:21 +0000 |
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committer | Michael Giacomelli <giac2000@hotmail.com> | 2008-11-24 03:59:21 +0000 |
commit | 5d21c8cb1db547580b8b0cabbee6dd773143d39d (patch) | |
tree | bd389188ef2cf4ad91d4ece8718948d334bcdfae /firmware/target/arm/ata-sd-pp.c | |
parent | 4c3a19f1b480c726b32d25e3b2fbaf3018a0d5e0 (diff) | |
download | rockbox-5d21c8cb1db547580b8b0cabbee6dd773143d39d.tar.gz rockbox-5d21c8cb1db547580b8b0cabbee6dd773143d39d.zip |
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
Diffstat (limited to 'firmware/target/arm/ata-sd-pp.c')
-rw-r--r-- | firmware/target/arm/ata-sd-pp.c | 6 |
1 files changed, 4 insertions, 2 deletions
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, | |||
758 | /* TODO: Add DMA support. */ | 758 | /* TODO: Add DMA support. */ |
759 | 759 | ||
760 | mutex_lock(&sd_mtx); | 760 | mutex_lock(&sd_mtx); |
761 | 761 | sd_enable(true); | |
762 | sd_led(true); | 762 | sd_led(true); |
763 | 763 | ||
764 | sd_read_retry: | 764 | sd_read_retry: |
@@ -844,6 +844,7 @@ sd_read_retry: | |||
844 | while (1) | 844 | while (1) |
845 | { | 845 | { |
846 | sd_led(false); | 846 | sd_led(false); |
847 | sd_enable(false); | ||
847 | mutex_unlock(&sd_mtx); | 848 | mutex_unlock(&sd_mtx); |
848 | 849 | ||
849 | return ret; | 850 | return ret; |
@@ -873,7 +874,7 @@ int sd_write_sectors(IF_MV2(int drive,) unsigned long start, int count, | |||
873 | int bank; | 874 | int bank; |
874 | 875 | ||
875 | mutex_lock(&sd_mtx); | 876 | mutex_lock(&sd_mtx); |
876 | 877 | sd_enable(true); | |
877 | sd_led(true); | 878 | sd_led(true); |
878 | 879 | ||
879 | sd_write_retry: | 880 | sd_write_retry: |
@@ -972,6 +973,7 @@ sd_write_retry: | |||
972 | while (1) | 973 | while (1) |
973 | { | 974 | { |
974 | sd_led(false); | 975 | sd_led(false); |
976 | sd_enable(false); | ||
975 | mutex_unlock(&sd_mtx); | 977 | mutex_unlock(&sd_mtx); |
976 | 978 | ||
977 | return ret; | 979 | return ret; |