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| author | David S. Miller <davem@davemloft.net> | 2009-08-12 17:44:53 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2009-08-12 17:44:53 -0700 |
| commit | aa11d958d1a6572eda08214d7c6a735804fe48a5 (patch) | |
| tree | d025b05270ad1e010660d17eeadc6ac3c1abbd7d /sound/pci/hda/hda_beep.c | |
| parent | 07f6642ee9418e962e54cbc07471cfe2e559c568 (diff) | |
| parent | 9799218ae36910af50f002a5db1802d576fffb43 (diff) | |
| download | linux-aa11d958d1a6572eda08214d7c6a735804fe48a5.tar.gz linux-aa11d958d1a6572eda08214d7c6a735804fe48a5.tar.bz2 linux-aa11d958d1a6572eda08214d7c6a735804fe48a5.zip | |
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Conflicts:
arch/microblaze/include/asm/socket.h
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 29272f2e95a0..b0275a050870 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; } |