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| author | Jens Arnold <amiconn@rockbox.org> | 2007-11-18 12:49:24 +0000 |
|---|---|---|
| committer | Jens Arnold <amiconn@rockbox.org> | 2007-11-18 12:49:24 +0000 |
| commit | 6ef2db2c1127954e22001d8663fb2ab9de5c2665 (patch) | |
| tree | fce79b4f0e5a5aa143527d3223a3bc7202f1b3f3 | |
| parent | a8993baeb4affc0856b1683bfaead4b929a8f460 (diff) | |
| download | rockbox-6ef2db2c1127954e22001d8663fb2ab9de5c2665.zip rockbox-6ef2db2c1127954e22001d8663fb2ab9de5c2665.tar.gz rockbox-6ef2db2c1127954e22001d8663fb2ab9de5c2665.tar.bz2 rockbox-6ef2db2c1127954e22001d8663fb2ab9de5c2665.tar.xz | |
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
| -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 9f73226..bbe7703 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) * f/32, for better blacklevel stability */ else power_reg_h = 0x1100; -#elif defined IPOD_MINI2G +#endif + +#ifdef IPOD_MINI2G /* serial LCD hookup */ lcd_wait_write(); - LCD1_CONTROL = (LCD1_CONTROL & ~0x1f00000) | 0x1700000; + LCD1_CONTROL = 0x01730084; /* fastest setting */ +#elif defined(IPOD_1G2G) || defined(IPOD_3G) + LCD1_CONTROL = (LCD1_CONTROL & 0x0002) | 0x0084; /* fastest setting, keep backlight bit */ +#else + LCD1_CONTROL = 0x0084; /* fastest setting */ #endif 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 49e1268..b17cce3 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) LCD1_CONTROL |= 0x4; udelay(10); - LCD1_CONTROL = 0x4687; + LCD1_CONTROL = 0x0084; /* bits (9,10) = 00 -> fastest setting */ udelay(10000); lcd_send_command(R_STANDBY_OFF); |