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| author | Oswald Buddenhagen <oswald.buddenhagen@gmx.de> | 2023-06-12 21:13:18 +0200 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2023-06-13 07:40:51 +0200 |
| commit | 60985241bfc61c6d6d85a78e0f29c866c546c7f5 (patch) | |
| tree | a665f73c0867a29d505677aa1e1acf677f4b5f42 /sound/pci/emu10k1/io.c | |
| parent | 1359886227e52c27c0a230769f3be4c486e36299 (diff) | |
| download | lwn-60985241bfc61c6d6d85a78e0f29c866c546c7f5.tar.gz lwn-60985241bfc61c6d6d85a78e0f29c866c546c7f5.zip | |
ALSA: emu10k1: make available E-MU clock sources card-specific
The actually available clock sources depend on the available audio input
ports and dedicated clock input ports.
This includes refactoring the code to be data-driven to remain
manageable.
Signed-off-by: Oswald Buddenhagen <oswald.buddenhagen@gmx.de>
Link: https://lore.kernel.org/r/20230612191325.1315854-3-oswald.buddenhagen@gmx.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/pci/emu10k1/io.c')
| -rw-r--r-- | sound/pci/emu10k1/io.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/sound/pci/emu10k1/io.c b/sound/pci/emu10k1/io.c index abe69ae40499..e7a44443023a 100644 --- a/sound/pci/emu10k1/io.c +++ b/sound/pci/emu10k1/io.c @@ -357,6 +357,29 @@ u32 snd_emu1010_fpga_link_dst_src_read(struct snd_emu10k1 *emu, u32 dst) return (hi << 8) | lo; } +void snd_emu1010_update_clock(struct snd_emu10k1 *emu) +{ + u32 leds; + + switch (emu->emu1010.wclock) { + case EMU_HANA_WCLOCK_INT_44_1K | EMU_HANA_WCLOCK_1X: + leds = EMU_HANA_DOCK_LEDS_2_44K; + break; + case EMU_HANA_WCLOCK_INT_48K | EMU_HANA_WCLOCK_1X: + leds = EMU_HANA_DOCK_LEDS_2_48K; + break; + default: + leds = EMU_HANA_DOCK_LEDS_2_EXT; + break; + } + + // FIXME: this should probably represent the AND of all currently + // used sources' lock status. But we don't know how to get that ... + leds |= EMU_HANA_DOCK_LEDS_2_LOCK; + + snd_emu1010_fpga_write(emu, EMU_HANA_DOCK_LEDS_2, leds); +} + void snd_emu10k1_intr_enable(struct snd_emu10k1 *emu, unsigned int intrenb) { unsigned long flags; |