September 2007 - Alsa-devel - mailman.alsa-project.org

[alsa-devel] [PATCH -mm] es18xx: Shut up uninitialized var build warning
by Satyam Sharma 03 Sep '07

03 Sep '07

sound/isa/es18xx.c: In function ‘snd_es18xx_isa_probe’: sound/isa/es18xx.c:2251: warning: ‘err’ may be used uninitialized in this function gcc is a sad, sad compiler. This warning is bogus so let's shut it up. Signed-off-by: Satyam Sharma <satyam(a)infradead.org> --- sound/isa/es18xx.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) --- linux-2.6.23-rc4-mm1/sound/isa/es18xx.c‾fix 2007-09-02 21:16:54.000000000 +0530 +++ linux-2.6.23-rc4-mm1/sound/isa/es18xx.c 2007-09-02 21:30:13.000000000 +0530 @@ -2248,7 +2248,6 @@ static int __devinit snd_es18xx_isa_prob static int __devinit snd_es18xx_isa_probe(struct device *pdev, unsigned int dev) { - int err; static int possible_irqs[] = {5, 9, 10, 7, 11, 12, -1}; static int possible_dmas[] = {1, 0, 3, 5, -1}; @@ -2276,6 +2275,8 @@ static int __devinit snd_es18xx_isa_prob } else { static unsigned long possible_ports[] = {0x220, 0x240, 0x260, 0x280}; int i; + int uninitialized_var(err); + for (i = 0; i < ARRAY_SIZE(possible_ports); i++) { port[dev] = possible_ports[i]; err = snd_es18xx_isa_probe1(dev, pdev);

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[alsa-devel] capture sound from an app and send it to an other app
by Marco Bnà 01 Sep '07

01 Sep '07

Hello! I'm trying to find help to do something that shoul allow me to capture audio stream outgoing from an application and redirect it to an other as audio stream input. It like to do it for different istances of the application (an instance generates out - the other take input, this many times). how to do so? What i should do? And how? Thanks, Marco

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[alsa-devel] ALSA 1.0.15rc1
by Jaroslav Kysela 01 Sep '07

01 Sep '07

Hi all, ALSA 1.0.15rc1 packages are released. Please, check http://www.alsa-project.org for download and changelog. Jaroslav ----- Jaroslav Kysela <perex(a)suse.cz> Linux Kernel Sound Maintainer ALSA Project, SUSE Labs

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Re: [alsa-devel] Altec Lansing FX5051 mixer
by Jeremy Nickurak 01 Sep '07

01 Sep '07

Precisely the same problems with alsa 1.0.15rc1. On Tue, Aug 28, 2007 at 01:43:51AM -0600, Jeremy Nickurak wrote: > On Tue, Aug 28, 2007 at 08:50:00AM +0200, Clemens Ladisch wrote: > > > bmaControls( 0) 0x15 > > > Mute > > > Bass > > > Treble > > > bmaControls( 1) 0x02 > > > Volume > > > bmaControls( 2) 0x02 > > > Volume > > > bmaControls( 3) 0x00 > > > bmaControls( 4) 0x00 > > > bmaControls( 5) 0x00 > > > bmaControls( 6) 0x00 > > > > These descriptors say that there is a two-channel volume control that > > applies to the front channels, but I guess it really affects all > > channels. > > > > Please show the output of "amixer contents" for this card. > > numid=3,iface=MIXER,name='Tone Control - Bass' > ; type=INTEGER,access=rw------,values=1,min=0,max=10,step=0 > : values=5 > numid=4,iface=MIXER,name='Tone Control - Treble' > ; type=INTEGER,access=rw------,values=1,min=0,max=10,step=0 > : values=5 > numid=1,iface=MIXER,name='PCM Playback Switch' > ; type=BOOLEAN,access=rw------,values=1 > : values=on > numid=2,iface=MIXER,name='PCM Playback Volume' > ; type=INTEGER,access=rw---R--,values=2,min=0,max=49,step=0 > : values=48,48 > | dBscale-min=-49.00dB,step=1.00dB,mute=0 > > > > > > > ... > > > HID Device Descriptor: > > > bLength 9 > > > bDescriptorType 33 > > > bcdHID 1.00 > > > bCountryCode 0 Not supported > > > bNumDescriptors 1 > > > bDescriptorType 34 Report > > > wDescriptorLength 172 > > > Report Descriptor: (length is 172) > > > Item(Global): Usage Page, data= [ 0x0c ] 12 > > > Consumer > > > Item(Local ): Usage, data= [ 0x01 ] 1 > > > Consumer Control > > > Item(Main ): Collection, data= [ 0x01 ] 1 > > > Application > > > Item(Global): Usage Page, data= [ 0x0c ] 12 > > > Consumer > > > Item(Local ): Usage, data= [ 0xe2 ] 226 > > > Mute > > > Item(Local ): Usage, data= [ 0xe9 ] 233 > > > Volume Increment > > > ... > > > > This describes an input device that reports 'key' presses to the > > computer. I guess the control panel and remote control don't have a > > direct effect but expect the computer to explicitly change mixer > > controls when a key is pressed. > > Since it works fine in Windows without any non-ms software, would this > imply that this is somewhat standard behavior? > > > > > However, this shouldn't prevent alsamixer from working. > > > > It might be possible that the mixer controls don't have many steps and > > that the step size used by alsamixer is so small that the device rounds > > the setting back to the old position. Please try PageUp/Down or Home/ > > End instead of Up/Down keys. > > PgUp/PgDown don't do any better on any controls. I seem to be able to > drop the PCM volume to nothing in practice with End, but Home won't > restore it. Up/Down immediately brings it back up to 100%. The LED's on > the control reflect this btw, but alsamixer still reports 98%. The control pad wouldn't be an especially big deal, if only alsamixer did work right. -- Jeremy Nickurak -= Email/Jabber: atrus(a)rifetech.com =-

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