diff options
author | Marcin Bukat <marcin.bukat@gmail.com> | 2011-11-05 14:01:22 +0000 |
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committer | Marcin Bukat <marcin.bukat@gmail.com> | 2011-11-05 14:01:22 +0000 |
commit | f4b74b269af2f70a1b74715888b64b61dc73eff6 (patch) | |
tree | 2e4c8a26fc6488cbc14942f4ada168d3dbf914f0 /firmware/drivers | |
parent | 9310fc0b4c78eff371101088ea31d62cf35bfb76 (diff) |
MPIO HD300: vastly improve sound quality. This unfortunately means reverting r28797 which introduced poping noise
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@30904 a1c6a512-1295-4272-9138-f99709370657
Diffstat (limited to 'firmware/drivers')
-rw-r--r-- | firmware/drivers/audio/wm8751.c | 26 |
1 files changed, 15 insertions, 11 deletions
diff --git a/firmware/drivers/audio/wm8751.c b/firmware/drivers/audio/wm8751.c index c37341ef26..ca62f69d95 100644 --- a/firmware/drivers/audio/wm8751.c +++ b/firmware/drivers/audio/wm8751.c @@ -219,20 +219,22 @@ static void audiohw_mute(bool mute) /* Reset and power up the WM8751 */ void audiohw_preinit(void) { -#ifdef MROBE_100 +#if defined(MROBE_100) /* controls headphone ouput */ GPIOL_ENABLE |= 0x10; GPIOL_OUTPUT_EN |= 0x10; GPIOL_OUTPUT_VAL |= 0x10; /* disable */ -#endif - -#ifdef MPIO_HD200 +#elif defined(MPIO_HD200) /* control headphone output * disabled on startup */ - and_l(~(1<<25),&GPIO1_OUT); + and_l(~(1<<25), &GPIO1_OUT); or_l((1<<25), &GPIO1_ENABLE); or_l((1<<25), &GPIO1_FUNCTION); +#elif defined(MPIO_HD300) + and_l(~(1<<5), &GPIO1_OUT); + or_l((1<<5), &GPIO1_ENABLE); + or_l((1<<5), &GPIO1_FUNCTION); #endif /* @@ -322,15 +324,15 @@ void audiohw_postinit(void) audiohw_mute(false); -#ifdef MROBE_100 +#if defined(MROBE_100) /* enable headphone output */ GPIOL_OUTPUT_VAL &= ~0x10; GPIOL_OUTPUT_EN |= 0x10; -#endif - -#ifdef MPIO_HD200 +#elif defined(MPIO_HD200) /* enable headphone output */ - or_l((1<<25),&GPIO1_OUT); + or_l((1<<25), &GPIO1_OUT); +#elif defined(MPIO_HD300) + or_l((1<<5), &GPIO1_OUT); #endif } @@ -394,9 +396,11 @@ void audiohw_close(void) /* 1. Set DACMU = 1 to soft-mute the audio DACs. */ audiohw_mute(true); -#ifdef MPIO_HD200 +#if defined(MPIO_HD200) /* disable headphone out */ and_l(~(1<<25), &GPIO1_OUT); +#elif defined(MPIO_HD300) + and_l(~(1<<5), &GPIO1_OUT); #endif /* 2. Disable all output buffers. */ |