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authorAdrian Knoth <adi@drcomp.erfurt.thur.de>2012-01-10 20:58:40 +0100
committerTakashi Iwai <tiwai@suse.de>2012-01-11 08:55:58 +0100
commitf7de8ba3fcf19487d2f0af9aee0c510fc79efa15 (patch)
tree422003d6891ef94c6a2c57de625f3dbc8f24c97c /sound/pci/ice1712/ice1724.c
parent74eeb141d3bdf5a9a65c84dd637c41f12c40f41c (diff)
ALSA: hdspm - Provide unique driver id based on card serial
Before, /proc/asound looked like this: 2 [Default ]: HDSPM - RME RayDAT_f1cd85 RME RayDAT S/N 0xf1cd85 at 0xf7300000, irq 18 In case of a second HDSPM card, its name would be Default_1. This is cumbersome, because the order of the cards isn't stable across reboots. To help userspace tools referring to the correct card, this commit provides a unique id for each card: 2 [HDSPMxf1cd85 ]: HDSPM - RME RayDAT_f1cd85 RME RayDAT S/N 0xf1cd85 at 0xf7300000, irq 18 In this example, userspace (configuration files) would then use hw:HDSPMxf1cd85 to choose the right card. The serial is masked to 24bits, so this string is always shorter than sixteen chars. Signed-off-by: Adrian Knoth <adi@drcomp.erfurt.thur.de> Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/pci/ice1712/ice1724.c')
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