diff options
| author | Tim Kaiser <timkaiser@t-online.de> | 2006-06-25 09:14:07 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@infradead.org> | 2006-06-26 09:21:26 -0300 |
| commit | 61391e0446e97bea44d93bd1624e5b32d3cc8474 (patch) | |
| tree | c1a1579505a07a1c58c3c7f58ed8ba775acd02c0 /drivers/media/dvb/ttpci/av7110_av.c | |
| parent | 4a4edcca22bf46622f34db74a876a7eb91d95865 (diff) | |
V4L/DVB (4219): Av7110: analog sound output of DVB-C rev 2.3
Added support for the msp34x5 audio dac. Analog sound output of
Technotrend DVB-C 2300 (aka Hauppauge Nexus-CA) works now.
Signed-off-by: Tim Kaiser <timkaiser@t-online.de>
Signed-off-by: Marco Schluessler <marco@lordzodiac.de>
Signed-off-by: Oliver Endriss <o.endriss@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Diffstat (limited to 'drivers/media/dvb/ttpci/av7110_av.c')
| -rw-r--r-- | drivers/media/dvb/ttpci/av7110_av.c | 25 |
1 files changed, 22 insertions, 3 deletions
diff --git a/drivers/media/dvb/ttpci/av7110_av.c b/drivers/media/dvb/ttpci/av7110_av.c index 2eff09f638d3..0f3a044aeb17 100644 --- a/drivers/media/dvb/ttpci/av7110_av.c +++ b/drivers/media/dvb/ttpci/av7110_av.c @@ -318,7 +318,17 @@ int av7110_set_volume(struct av7110 *av7110, int volleft, int volright) msp_writereg(av7110, MSP_WR_DSP, 0x0000, val); /* loudspeaker */ msp_writereg(av7110, MSP_WR_DSP, 0x0006, val); /* headphonesr */ return 0; + + case DVB_ADAC_MSP34x5: + vol = (volleft > volright) ? volleft : volright; + val = (vol * 0x73 / 255) << 8; + if (vol > 0) + balance = ((volright - volleft) * 127) / vol; + msp_writereg(av7110, MSP_WR_DSP, 0x0001, balance << 8); + msp_writereg(av7110, MSP_WR_DSP, 0x0000, val); /* loudspeaker */ + return 0; } + return 0; } @@ -1267,23 +1277,32 @@ static int dvb_audio_ioctl(struct inode *inode, struct file *file, switch(av7110->audiostate.channel_select) { case AUDIO_STEREO: ret = audcom(av7110, AUDIO_CMD_STEREO); - if (!ret) + if (!ret) { if (av7110->adac_type == DVB_ADAC_CRYSTAL) i2c_writereg(av7110, 0x20, 0x02, 0x49); + else if (av7110->adac_type == DVB_ADAC_MSP34x5) + msp_writereg(av7110, MSP_WR_DSP, 0x0008, 0x0220); + } break; case AUDIO_MONO_LEFT: ret = audcom(av7110, AUDIO_CMD_MONO_L); - if (!ret) + if (!ret) { if (av7110->adac_type == DVB_ADAC_CRYSTAL) i2c_writereg(av7110, 0x20, 0x02, 0x4a); + else if (av7110->adac_type == DVB_ADAC_MSP34x5) + msp_writereg(av7110, MSP_WR_DSP, 0x0008, 0x0200); + } break; case AUDIO_MONO_RIGHT: ret = audcom(av7110, AUDIO_CMD_MONO_R); - if (!ret) + if (!ret) { if (av7110->adac_type == DVB_ADAC_CRYSTAL) i2c_writereg(av7110, 0x20, 0x02, 0x45); + else if (av7110->adac_type == DVB_ADAC_MSP34x5) + msp_writereg(av7110, MSP_WR_DSP, 0x0008, 0x0210); + } break; default: |