[alsa-devel] [PATCH] Allow mux to have up to 256 sources. Log warning and return index 0 rather than error if DSP returns invalid value. (amixer fails if error returned on get)

From: Eliot Blennerhassett eblennerhassett@audioscience.com

Signed-off-by: Eliot Blennerhassett eblennerhassett@audioscience.com --- pci/asihpi/asihpi.c | 7 +++++-- 1 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/pci/asihpi/asihpi.c b/pci/asihpi/asihpi.c index 0c7b4fb..4f82e9f 100644 --- a/pci/asihpi/asihpi.c +++ b/pci/asihpi/asihpi.c @@ -2187,7 +2187,7 @@ static int snd_asihpi_mux_get(struct snd_kcontrol *kcontrol, HPI_HandleError(HPI_Multiplexer_GetSource(phSubSys, hControl, &wSourceType, &wSourceIndex)); /* Should cache this search result! */ - for (s = 0; s < 16; s++) { + for (s = 0; s < 256; s++) { if (HPI_Multiplexer_QuerySource(phSubSys, hControl, s, &wSrcNodeType, &wSrcNodeIndex)) break; @@ -2198,7 +2198,10 @@ static int snd_asihpi_mux_get(struct snd_kcontrol *kcontrol, return 0; } } - return -EINVAL; + snd_printd(KERN_WARNING "Control %x failed to match mux source %hu %hu\n", + hControl, wSourceType, wSourceIndex); + ucontrol->value.enumerated.item[0] = 0; + return 0; }

static int snd_asihpi_mux_put(struct snd_kcontrol *kcontrol,