X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?p=pandora-kernel.git;a=blobdiff_plain;f=sound%2Fpci%2Fhda%2Fhda_beep.c;h=b0275a05087015aa0c7d8680cd23c03f63830d40;hp=29272f2e95a07945cf805e6c75867f0f1e2cb762;hb=369693dc93533097c0ca7243affb4f3244c336e8;hpb=47ea421af7479b90c481c94826f1c716fcf672cf

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;
 }