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author | Jens Arnold <amiconn@rockbox.org> | 2007-11-18 12:49:24 +0000 |
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committer | Jens Arnold <amiconn@rockbox.org> | 2007-11-18 12:49:24 +0000 |
commit | 6ef2db2c1127954e22001d8663fb2ab9de5c2665 (patch) | |
tree | fce79b4f0e5a5aa143527d3223a3bc7202f1b3f3 /firmware/target/arm | |
parent | a8993baeb4affc0856b1683bfaead4b929a8f460 (diff) | |
download | rockbox-6ef2db2c1127954e22001d8663fb2ab9de5c2665.tar.gz rockbox-6ef2db2c1127954e22001d8663fb2ab9de5c2665.zip |
Significant LCD speedup for all greyscale iPods and Sansa c200 (c200, 4th Gen, Mini 1st Gen: >3.3x speedup, 1st..3rd Gen: ~2x speedup, Mini 2nd Gen: ~30% speedup).
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@15655 a1c6a512-1295-4272-9138-f99709370657
Diffstat (limited to 'firmware/target/arm')
-rw-r--r-- | firmware/target/arm/ipod/lcd-gray.c | 10 | ||||
-rw-r--r-- | firmware/target/arm/sandisk/sansa-c200/lcd-c200.c | 2 |
2 files changed, 9 insertions, 3 deletions
diff --git a/firmware/target/arm/ipod/lcd-gray.c b/firmware/target/arm/ipod/lcd-gray.c index 9f732265b4..bbe7703a03 100644 --- a/firmware/target/arm/ipod/lcd-gray.c +++ b/firmware/target/arm/ipod/lcd-gray.c | |||
@@ -153,9 +153,15 @@ void lcd_init_device(void) | |||
153 | * f/32, for better blacklevel stability */ | 153 | * f/32, for better blacklevel stability */ |
154 | else | 154 | else |
155 | power_reg_h = 0x1100; | 155 | power_reg_h = 0x1100; |
156 | #elif defined IPOD_MINI2G | 156 | #endif |
157 | |||
158 | #ifdef IPOD_MINI2G /* serial LCD hookup */ | ||
157 | lcd_wait_write(); | 159 | lcd_wait_write(); |
158 | LCD1_CONTROL = (LCD1_CONTROL & ~0x1f00000) | 0x1700000; | 160 | LCD1_CONTROL = 0x01730084; /* fastest setting */ |
161 | #elif defined(IPOD_1G2G) || defined(IPOD_3G) | ||
162 | LCD1_CONTROL = (LCD1_CONTROL & 0x0002) | 0x0084; /* fastest setting, keep backlight bit */ | ||
163 | #else | ||
164 | LCD1_CONTROL = 0x0084; /* fastest setting */ | ||
159 | #endif | 165 | #endif |
160 | 166 | ||
161 | lcd_cmd_and_data(R_POWER_CONTROL, POWER_REG_H | 0xc); | 167 | lcd_cmd_and_data(R_POWER_CONTROL, POWER_REG_H | 0xc); |
diff --git a/firmware/target/arm/sandisk/sansa-c200/lcd-c200.c b/firmware/target/arm/sandisk/sansa-c200/lcd-c200.c index 49e1268b54..b17cce30fa 100644 --- a/firmware/target/arm/sandisk/sansa-c200/lcd-c200.c +++ b/firmware/target/arm/sandisk/sansa-c200/lcd-c200.c | |||
@@ -100,7 +100,7 @@ void lcd_init_device(void) | |||
100 | LCD1_CONTROL |= 0x4; | 100 | LCD1_CONTROL |= 0x4; |
101 | udelay(10); | 101 | udelay(10); |
102 | 102 | ||
103 | LCD1_CONTROL = 0x4687; | 103 | LCD1_CONTROL = 0x0084; /* bits (9,10) = 00 -> fastest setting */ |
104 | udelay(10000); | 104 | udelay(10000); |
105 | 105 | ||
106 | lcd_send_command(R_STANDBY_OFF); | 106 | lcd_send_command(R_STANDBY_OFF); |