[PATCH 6.6 069/158] ALSA: scarlett2: Move USB IDs out from device_info struct

Greg Kroah-Hartman
2024-04-23T21:43:24Z

From: Geoffrey D. Bennett <g@b4.vu>

[ Upstream commit d98cc489029dba4d99714c2e8ec4f5ba249f6851 ]

By moving the USB IDs from the device_info struct into
scarlett2_devices[], that will allow for devices with different
USB IDs to share the same device_info.

Tested-by: Philippe Perrot <philippe@perrot-net.fr>
Signed-off-by: Geoffrey D. Bennett <g@b4.vu>
Link: https://lore.kernel.org/r/8263368e8d49e6fcebc709817bd82ab79b404468.1694705811.git.g@b4.vu
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Stable-dep-of: b9a98cdd3ac7 ("ALSA: scarlett2: Add support for Clarett 8Pre USB")
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
sound/usb/mixer_scarlett_gen2.c | 63 ++++++++++++---------------------
1 file changed, 23 insertions(+), 40 deletions(-)

diff --git a/sound/usb/mixer_scarlett_gen2.c b/sound/usb/mixer_scarlett_gen2.c
index c04cff7225411..cfb7345ee7a8c 100644
--- a/sound/usb/mixer_scarlett_gen2.c
+++ b/sound/usb/mixer_scarlett_gen2.c
@@ -317,8 +317,6 @@ struct scarlett2_mux_entry {
};

struct scarlett2_device_info {
- u32 usb_id; /* USB device identifier */
-
/* Gen 3 devices have an internal MSD mode switch that needs
* to be disabled in order to access the full functionality of
* the device.
@@ -440,8 +438,6 @@ struct scarlett2_data {
/*** Model-specific data ***/

static const struct scarlett2_device_info s6i6_gen2_info = {
- .usb_id = USB_ID(0x1235, 0x8203),
-
.config_set = SCARLETT2_CONFIG_SET_GEN_2,
.level_input_count = 2,
.pad_input_count = 2,
@@ -486,8 +482,6 @@ static const struct scarlett2_device_info s6i6_gen2_info = {
};

static const struct scarlett2_device_info s18i8_gen2_info = {
- .usb_id = USB_ID(0x1235, 0x8204),
-
.config_set = SCARLETT2_CONFIG_SET_GEN_2,
.level_input_count = 2,
.pad_input_count = 4,
@@ -535,8 +529,6 @@ static const struct scarlett2_device_info s18i8_gen2_info = {
};

static const struct scarlett2_device_info s18i20_gen2_info = {
- .usb_id = USB_ID(0x1235, 0x8201),
-
.config_set = SCARLETT2_CONFIG_SET_GEN_2,
.line_out_hw_vol = 1,

@@ -589,8 +581,6 @@ static const struct scarlett2_device_info s18i20_gen2_info = {
};

static const struct scarlett2_device_info solo_gen3_info = {
- .usb_id = USB_ID(0x1235, 0x8211),
-
.has_msd_mode = 1,
.config_set = SCARLETT2_CONFIG_SET_NO_MIXER,
.level_input_count = 1,
@@ -602,8 +592,6 @@ static const struct scarlett2_device_info solo_gen3_info = {
};

static const struct scarlett2_device_info s2i2_gen3_info = {
- .usb_id = USB_ID(0x1235, 0x8210),
-
.has_msd_mode = 1,
.config_set = SCARLETT2_CONFIG_SET_NO_MIXER,
.level_input_count = 2,
@@ -614,8 +602,6 @@ static const struct scarlett2_device_info s2i2_gen3_info = {
};

static const struct scarlett2_device_info s4i4_gen3_info = {
- .usb_id = USB_ID(0x1235, 0x8212),
-
.has_msd_mode = 1,
.config_set = SCARLETT2_CONFIG_SET_GEN_3,
.level_input_count = 2,
@@ -660,8 +646,6 @@ static const struct scarlett2_device_info s4i4_gen3_info = {
};

static const struct scarlett2_device_info s8i6_gen3_info = {
- .usb_id = USB_ID(0x1235, 0x8213),
-
.has_msd_mode = 1,
.config_set = SCARLETT2_CONFIG_SET_GEN_3,
.level_input_count = 2,
@@ -713,8 +697,6 @@ static const struct scarlett2_device_info s8i6_gen3_info = {
};

static const struct scarlett2_device_info s18i8_gen3_info = {
- .usb_id = USB_ID(0x1235, 0x8214),
-
.has_msd_mode = 1,
.config_set = SCARLETT2_CONFIG_SET_GEN_3,
.line_out_hw_vol = 1,
@@ -783,8 +765,6 @@ static const struct scarlett2_device_info s18i8_gen3_info = {
};

static const struct scarlett2_device_info s18i20_gen3_info = {
- .usb_id = USB_ID(0x1235, 0x8215),
-
.has_msd_mode = 1,
.config_set = SCARLETT2_CONFIG_SET_GEN_3,
.line_out_hw_vol = 1,
@@ -848,8 +828,6 @@ static const struct scarlett2_device_info s18i20_gen3_info = {
};

static const struct scarlett2_device_info clarett_8pre_info = {
- .usb_id = USB_ID(0x1235, 0x820c),
-
.config_set = SCARLETT2_CONFIG_SET_CLARETT,
.line_out_hw_vol = 1,
.level_input_count = 2,
@@ -902,25 +880,30 @@ static const struct scarlett2_device_info clarett_8pre_info = {
} },
};

-static const struct scarlett2_device_info *scarlett2_devices[] = {
+struct scarlett2_device_entry {
+ const u32 usb_id; /* USB device identifier */
+ const struct scarlett2_device_info *info;
+};
+
+static const struct scarlett2_device_entry scarlett2_devices[] = {
/* Supported Gen 2 devices */
- &s6i6_gen2_info,
- &s18i8_gen2_info,
- &s18i20_gen2_info,
+ { USB_ID(0x1235, 0x8203), &s6i6_gen2_info },
+ { USB_ID(0x1235, 0x8204), &s18i8_gen2_info },
+ { USB_ID(0x1235, 0x8201), &s18i20_gen2_info },

/* Supported Gen 3 devices */
- &solo_gen3_info,
- &s2i2_gen3_info,
- &s4i4_gen3_info,
- &s8i6_gen3_info,
- &s18i8_gen3_info,
- &s18i20_gen3_info,
+ { USB_ID(0x1235, 0x8211), &solo_gen3_info },
+ { USB_ID(0x1235, 0x8210), &s2i2_gen3_info },
+ { USB_ID(0x1235, 0x8212), &s4i4_gen3_info },
+ { USB_ID(0x1235, 0x8213), &s8i6_gen3_info },
+ { USB_ID(0x1235, 0x8214), &s18i8_gen3_info },
+ { USB_ID(0x1235, 0x8215), &s18i20_gen3_info },

/* Supported Clarett+ devices */
- &clarett_8pre_info,
+ { USB_ID(0x1235, 0x820c), &clarett_8pre_info },

/* End of list */
- NULL
+ { 0, NULL },
};

/* get the starting port index number for a given port type/direction */
@@ -4149,17 +4132,17 @@ static int scarlett2_init_notify(struct usb_mixer_interface *mixer)

static int snd_scarlett_gen2_controls_create(struct usb_mixer_interface *mixer)
{
- const struct scarlett2_device_info **info = scarlett2_devices;
+ const struct scarlett2_device_entry *entry = scarlett2_devices;
int err;

- /* Find device in scarlett2_devices */
- while (*info && (*info)->usb_id != mixer->chip->usb_id)
- info++;
- if (!*info)
+ /* Find entry in scarlett2_devices */
+ while (entry->usb_id && entry->usb_id != mixer->chip->usb_id)
+ entry++;
+ if (!entry->usb_id)
return -EINVAL;

/* Initialise private data */
- err = scarlett2_init_private(mixer, *info);
+ err = scarlett2_init_private(mixer, entry->info);
if (err < 0)
return err;

--
2.43.0