diff options
| author | Ingo Molnar <mingo@elte.hu> | 2009-08-15 18:55:58 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-08-15 18:56:13 +0200 |
| commit | fa08661af834875c9bd6f7f0b1b9388dc72a6585 (patch) | |
| tree | c381fcfcfeb38515bfa93445c80ad9231343414d /sound/pci/hda/hda_beep.c | |
| parent | 240ebbf81f149b11a31e060ebe5ee51a3c775360 (diff) | |
| parent | 64f1607ffbbc772685733ea63e6f7f4183df1b16 (diff) | |
| download | kernel_samsung_smdk4412-fa08661af834875c9bd6f7f0b1b9388dc72a6585.zip kernel_samsung_smdk4412-fa08661af834875c9bd6f7f0b1b9388dc72a6585.tar.gz kernel_samsung_smdk4412-fa08661af834875c9bd6f7f0b1b9388dc72a6585.tar.bz2 | |
Merge commit 'v2.6.31-rc6' into core/rcu
Merge reason: the branch was on pre-rc1 .30, update to latest.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'sound/pci/hda/hda_beep.c')
| -rw-r--r-- | sound/pci/hda/hda_beep.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/sound/pci/hda/hda_beep.c b/sound/pci/hda/hda_beep.c index 29272f2..b0275a0 100644 --- a/sound/pci/hda/hda_beep.c +++ b/sound/pci/hda/hda_beep.c @@ -50,19 +50,22 @@ static void snd_hda_generate_beep(struct work_struct *work) * The tone frequency of beep generator on IDT/STAC codecs is * defined from the 8bit tone parameter, in Hz, * freq = 48000 * (257 - tone) / 1024 - * that is from 12kHz to 93.75kHz in step of 46.875 hz + * that is from 12kHz to 93.75Hz in steps of 46.875 Hz */ static int beep_linear_tone(struct hda_beep *beep, int hz) { + if (hz <= 0) + return 0; hz *= 1000; /* fixed point */ - hz = hz - DIGBEEP_HZ_MIN; + hz = hz - DIGBEEP_HZ_MIN + + DIGBEEP_HZ_STEP / 2; /* round to nearest step */ if (hz < 0) hz = 0; /* turn off PC beep*/ else if (hz >= (DIGBEEP_HZ_MAX - DIGBEEP_HZ_MIN)) - hz = 0xff; + hz = 1; /* max frequency */ else { hz /= DIGBEEP_HZ_STEP; - hz++; + hz = 255 - hz; } return hz; } |