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| author | Takashi Sakamoto <o-takashi@sakamocchi.jp> | 2021-06-23 16:59:39 +0900 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2021-06-23 10:17:27 +0200 |
| commit | 7203233ea7fde84a3f7a3a1b1498988d3db3ce88 (patch) | |
| tree | e81b9b24cee8dd02cecebfd8ae393193cb903e14 /sound | |
| parent | ef8f14ad2aeceda904b2fdfb54a366f2095620a5 (diff) | |
| download | linux-7203233ea7fde84a3f7a3a1b1498988d3db3ce88.tar.bz2 | |
ALSA: firewire-motu: use macro instead of magic number for clock source in v3 protocol
This commit adds a series of macro for source of sampling clock in
version 3 protocol.
Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Link: https://lore.kernel.org/r/20210623075941.72562-8-o-takashi@sakamocchi.jp
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound')
| -rw-r--r-- | sound/firewire/motu/motu-protocol-v3.c | 20 |
1 files changed, 13 insertions, 7 deletions
diff --git a/sound/firewire/motu/motu-protocol-v3.c b/sound/firewire/motu/motu-protocol-v3.c index ab113651107b..56e4504e7ec9 100644 --- a/sound/firewire/motu/motu-protocol-v3.c +++ b/sound/firewire/motu/motu-protocol-v3.c @@ -13,6 +13,12 @@ #define V3_CLOCK_RATE_MASK 0x0000ff00 #define V3_CLOCK_RATE_SHIFT 8 #define V3_CLOCK_SOURCE_MASK 0x000000ff +#define V3_CLOCK_SRC_INTERNAL 0x00 +#define V3_CLOCK_SRC_WORD_ON_BNC 0x01 +#define V3_CLOCK_SRC_SPH 0x02 +#define V3_CLOCK_SRC_SPDIF_ON_COAX 0x10 +#define V3_CLOCK_SRC_OPT_IFACE_A 0x18 +#define V3_CLOCK_SRC_OPT_IFACE_B 0x19 #define V3_OPT_IFACE_MODE_OFFSET 0x0c94 #define V3_ENABLE_OPT_IN_IFACE_A 0x00000001 @@ -111,20 +117,20 @@ int snd_motu_protocol_v3_get_clock_source(struct snd_motu *motu, data = be32_to_cpu(reg) & V3_CLOCK_SOURCE_MASK; switch (data) { - case 0x00: + case V3_CLOCK_SRC_INTERNAL: *src = SND_MOTU_CLOCK_SOURCE_INTERNAL; break; - case 0x01: + case V3_CLOCK_SRC_WORD_ON_BNC: *src = SND_MOTU_CLOCK_SOURCE_WORD_ON_BNC; break; - case 0x02: + case V3_CLOCK_SRC_SPH: *src = SND_MOTU_CLOCK_SOURCE_SPH; break; - case 0x10: + case V3_CLOCK_SRC_SPDIF_ON_COAX: *src = SND_MOTU_CLOCK_SOURCE_SPDIF_ON_COAX; break; - case 0x18: - case 0x19: + case V3_CLOCK_SRC_OPT_IFACE_A: + case V3_CLOCK_SRC_OPT_IFACE_B: { __be32 reg; u32 options; @@ -135,7 +141,7 @@ int snd_motu_protocol_v3_get_clock_source(struct snd_motu *motu, return err; options = be32_to_cpu(reg); - if (data == 0x18) { + if (data == V3_CLOCK_SRC_OPT_IFACE_A) { if (options & V3_NO_ADAT_OPT_IN_IFACE_A) *src = SND_MOTU_CLOCK_SOURCE_SPDIF_ON_OPT_A; else |