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Bennett" To: alsa-devel@alsa-project.org, Takashi Iwai Subject: [PATCH 14/31] ALSA: usb-audio: scarlett2: Split struct scarlett2_ports Message-ID: <7a9e57e4e55a482390c692a9e60731d72b664a15.1624294591.git.g@b4.vu> References: MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.10.1 (2018-07-13) Cc: Hin-Tak Leung , Vladimir Sadovnikov X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: "Alsa-devel" The scarlett2_ports struct contains both generic (hardware IDs and descriptions) and model-specific (port count) data. Remove the generic data from the scarlett2_device_info struct so it is not repeated for every model. Signed-off-by: Geoffrey D. Bennett --- sound/usb/mixer_scarlett_gen2.c | 303 +++++++++++++------------------- 1 file changed, 124 insertions(+), 179 deletions(-) diff --git a/sound/usb/mixer_scarlett_gen2.c b/sound/usb/mixer_scarlett_gen2.c index b874c0c922d3..7647b3428093 100644 --- a/sound/usb/mixer_scarlett_gen2.c +++ b/sound/usb/mixer_scarlett_gen2.c @@ -203,20 +203,55 @@ static const char *const scarlett2_dim_mute_names[SCARLETT2_DIM_MUTE_COUNT] = { }; /* Description of each hardware port type: - * - id: hardware ID for this port type - * - num: number of sources/destinations of this port type + * - id: hardware ID of this port type * - src_descr: printf format string for mux input selections * - src_num_offset: added to channel number for the fprintf * - dst_descr: printf format string for mixer controls */ -struct scarlett2_ports { +struct scarlett2_port { u16 id; - int num[SCARLETT2_PORT_DIRNS]; const char * const src_descr; int src_num_offset; const char * const dst_descr; }; +static const struct scarlett2_port scarlett2_ports[SCARLETT2_PORT_TYPE_COUNT] = { + [SCARLETT2_PORT_TYPE_NONE] = { + .id = 0x000, + .src_descr = "Off" + }, + [SCARLETT2_PORT_TYPE_ANALOGUE] = { + .id = 0x080, + .src_descr = "Analogue %d", + .src_num_offset = 1, + .dst_descr = "Analogue Output %02d Playback" + }, + [SCARLETT2_PORT_TYPE_SPDIF] = { + .id = 0x180, + .src_descr = "S/PDIF %d", + .src_num_offset = 1, + .dst_descr = "S/PDIF Output %d Playback" + }, + [SCARLETT2_PORT_TYPE_ADAT] = { + .id = 0x200, + .src_descr = "ADAT %d", + .src_num_offset = 1, + .dst_descr = "ADAT Output %d Playback" + }, + [SCARLETT2_PORT_TYPE_MIX] = { + .id = 0x300, + .src_descr = "Mix %c", + .src_num_offset = 'A', + .dst_descr = "Mixer Input %02d Capture" + }, + [SCARLETT2_PORT_TYPE_PCM] = { + .id = 0x600, + .src_descr = "PCM %d", + .src_num_offset = 1, + .dst_descr = "PCM %02d Capture" + }, +}; + /* Number of mux tables: one for each band of sample rates * (44.1/48kHz, 88.2/96kHz, and 176.4/176kHz) */ @@ -254,8 +289,8 @@ struct scarlett2_device_info { /* additional description for the line out volume controls */ const char * const line_out_descrs[SCARLETT2_ANALOGUE_MAX]; - /* port count and type data */ - struct scarlett2_ports ports[SCARLETT2_PORT_TYPE_COUNT]; + /* number of sources/destinations of each port type */ + const int port_count[SCARLETT2_PORT_TYPE_COUNT][SCARLETT2_PORT_DIRNS]; /* layout/order of the entries in the set_mux message */ struct scarlett2_mux_entry mux_assignment[SCARLETT2_MUX_TABLES] @@ -309,40 +344,12 @@ static const struct scarlett2_device_info s6i6_gen2_info = { "Headphones 2 R", }, - .ports = { - [SCARLETT2_PORT_TYPE_NONE] = { - .id = 0x000, - .num = { 1, 0 }, - .src_descr = "Off", - }, - [SCARLETT2_PORT_TYPE_ANALOGUE] = { - .id = 0x080, - .num = { 4, 4 }, - .src_descr = "Analogue %d", - .src_num_offset = 1, - .dst_descr = "Analogue Output %02d Playback" - }, - [SCARLETT2_PORT_TYPE_SPDIF] = { - .id = 0x180, - .num = { 2, 2 }, - .src_descr = "S/PDIF %d", - .src_num_offset = 1, - .dst_descr = "S/PDIF Output %d Playback" - }, - [SCARLETT2_PORT_TYPE_MIX] = { - .id = 0x300, - .num = { 10, 18 }, - .src_descr = "Mix %c", - .src_num_offset = 65, - .dst_descr = "Mixer Input %02d Capture" - }, - [SCARLETT2_PORT_TYPE_PCM] = { - .id = 0x600, - .num = { 6, 6 }, - .src_descr = "PCM %d", - .src_num_offset = 1, - .dst_descr = "PCM %02d Capture" - }, + .port_count = { + [SCARLETT2_PORT_TYPE_NONE] = { 1, 0 }, + [SCARLETT2_PORT_TYPE_ANALOGUE] = { 4, 4 }, + [SCARLETT2_PORT_TYPE_SPDIF] = { 2, 2 }, + [SCARLETT2_PORT_TYPE_MIX] = { 10, 18 }, + [SCARLETT2_PORT_TYPE_PCM] = { 6, 6 }, }, .mux_assignment = { { @@ -384,46 +391,13 @@ static const struct scarlett2_device_info s18i8_gen2_info = { "Headphones 2 R", }, - .ports = { - [SCARLETT2_PORT_TYPE_NONE] = { - .id = 0x000, - .num = { 1, 0 }, - .src_descr = "Off", - }, - [SCARLETT2_PORT_TYPE_ANALOGUE] = { - .id = 0x080, - .num = { 8, 6 }, - .src_descr = "Analogue %d", - .src_num_offset = 1, - .dst_descr = "Analogue Output %02d Playback" - }, - [SCARLETT2_PORT_TYPE_SPDIF] = { - .id = 0x180, - .num = { 2, 2 }, - .src_descr = "S/PDIF %d", - .src_num_offset = 1, - .dst_descr = "S/PDIF Output %d Playback" - }, - [SCARLETT2_PORT_TYPE_ADAT] = { - .id = 0x200, - .num = { 8, 0 }, - .src_descr = "ADAT %d", - .src_num_offset = 1, - }, - [SCARLETT2_PORT_TYPE_MIX] = { - .id = 0x300, - .num = { 10, 18 }, - .src_descr = "Mix %c", - .src_num_offset = 65, - .dst_descr = "Mixer Input %02d Capture" - }, - [SCARLETT2_PORT_TYPE_PCM] = { - .id = 0x600, - .num = { 8, 18 }, - .src_descr = "PCM %d", - .src_num_offset = 1, - .dst_descr = "PCM %02d Capture" - }, + .port_count = { + [SCARLETT2_PORT_TYPE_NONE] = { 1, 0 }, + [SCARLETT2_PORT_TYPE_ANALOGUE] = { 8, 6 }, + [SCARLETT2_PORT_TYPE_SPDIF] = { 2, 2 }, + [SCARLETT2_PORT_TYPE_ADAT] = { 8, 0 }, + [SCARLETT2_PORT_TYPE_MIX] = { 10, 18 }, + [SCARLETT2_PORT_TYPE_PCM] = { 8, 18 }, }, .mux_assignment = { { @@ -468,51 +442,13 @@ static const struct scarlett2_device_info s18i20_gen2_info = { "Headphones 2 R", }, - .ports = { - [SCARLETT2_PORT_TYPE_NONE] = { - .id = 0x000, - .num = { 1, 0 }, - .src_descr = "Off", - }, - [SCARLETT2_PORT_TYPE_ANALOGUE] = { - .id = 0x080, - .num = { 8, 10 }, - .src_descr = "Analogue %d", - .src_num_offset = 1, - .dst_descr = "Analogue Output %02d Playback" - }, - [SCARLETT2_PORT_TYPE_SPDIF] = { - /* S/PDIF outputs aren't available at 192kHz - * but are included in the USB mux I/O - * assignment message anyway - */ - .id = 0x180, - .num = { 2, 2 }, - .src_descr = "S/PDIF %d", - .src_num_offset = 1, - .dst_descr = "S/PDIF Output %d Playback" - }, - [SCARLETT2_PORT_TYPE_ADAT] = { - .id = 0x200, - .num = { 8, 8 }, - .src_descr = "ADAT %d", - .src_num_offset = 1, - .dst_descr = "ADAT Output %d Playback" - }, - [SCARLETT2_PORT_TYPE_MIX] = { - .id = 0x300, - .num = { 10, 18 }, - .src_descr = "Mix %c", - .src_num_offset = 65, - .dst_descr = "Mixer Input %02d Capture" - }, - [SCARLETT2_PORT_TYPE_PCM] = { - .id = 0x600, - .num = { 20, 18 }, - .src_descr = "PCM %d", - .src_num_offset = 1, - .dst_descr = "PCM %02d Capture" - }, + .port_count = { + [SCARLETT2_PORT_TYPE_NONE] = { 1, 0 }, + [SCARLETT2_PORT_TYPE_ANALOGUE] = { 8, 10 }, + [SCARLETT2_PORT_TYPE_SPDIF] = { 2, 2 }, + [SCARLETT2_PORT_TYPE_ADAT] = { 8, 8 }, + [SCARLETT2_PORT_TYPE_MIX] = { 10, 18 }, + [SCARLETT2_PORT_TYPE_PCM] = { 20, 18 }, }, .mux_assignment = { { @@ -552,13 +488,14 @@ static const struct scarlett2_device_info *scarlett2_devices[] = { }; /* get the starting port index number for a given port type/direction */ -static int scarlett2_get_port_start_num(const struct scarlett2_ports *ports, - int direction, int port_type) +static int scarlett2_get_port_start_num( + const int port_count[][SCARLETT2_PORT_DIRNS], + int direction, int port_type) { int i, num = 0; for (i = 0; i < port_type; i++) - num += ports[i].num[direction]; + num += port_count[i][direction]; return num; } @@ -924,7 +861,7 @@ static int scarlett2_usb_get_mix(struct usb_mixer_interface *mixer, const struct scarlett2_device_info *info = private->info; int num_mixer_in = - info->ports[SCARLETT2_PORT_TYPE_MIX].num[SCARLETT2_PORT_OUT]; + info->port_count[SCARLETT2_PORT_TYPE_MIX][SCARLETT2_PORT_OUT]; int err, i, j, k; struct { @@ -973,7 +910,7 @@ static int scarlett2_usb_set_mix(struct usb_mixer_interface *mixer, int i, j; int num_mixer_in = - info->ports[SCARLETT2_PORT_TYPE_MIX].num[SCARLETT2_PORT_OUT]; + info->port_count[SCARLETT2_PORT_TYPE_MIX][SCARLETT2_PORT_OUT]; req.mix_num = cpu_to_le16(mix_num); @@ -987,18 +924,18 @@ static int scarlett2_usb_set_mix(struct usb_mixer_interface *mixer, NULL, 0); } -/* Convert a port number index (per info->ports) to a hardware ID */ -static u32 scarlett2_mux_src_num_to_id(const struct scarlett2_ports *ports, - int num) +/* Convert a port number index (per info->port_count) to a hardware ID */ +static u32 scarlett2_mux_src_num_to_id( + const int port_count[][SCARLETT2_PORT_DIRNS], int num) { int port_type; for (port_type = 0; port_type < SCARLETT2_PORT_TYPE_COUNT; port_type++) { - if (num < ports[port_type].num[SCARLETT2_PORT_IN]) - return ports[port_type].id | num; - num -= ports[port_type].num[SCARLETT2_PORT_IN]; + if (num < port_count[port_type][SCARLETT2_PORT_IN]) + return scarlett2_ports[port_type].id | num; + num -= port_count[port_type][SCARLETT2_PORT_IN]; } /* Oops */ @@ -1006,9 +943,8 @@ static u32 scarlett2_mux_src_num_to_id(const struct scarlett2_ports *ports, } /* Convert a hardware ID to a port number index */ -static u32 scarlett2_mux_id_to_num(const struct scarlett2_ports *ports, - int direction, - u32 id) +static u32 scarlett2_mux_id_to_num( + const int port_count[][SCARLETT2_PORT_DIRNS], int direction, u32 id) { int port_type; int port_num = 0; @@ -1016,11 +952,11 @@ static u32 scarlett2_mux_id_to_num(const struct scarlett2_ports *ports, for (port_type = 0; port_type < SCARLETT2_PORT_TYPE_COUNT; port_type++) { - struct scarlett2_ports port = ports[port_type]; - int count = port.num[direction]; + int base = scarlett2_ports[port_type].id; + int count = port_count[port_type][direction]; - if (id >= port.id && id < port.id + count) - return port_num + id - port.id; + if (id >= base && id < base + count) + return port_num + id - base; port_num += count; } @@ -1033,11 +969,11 @@ static void scarlett2_usb_populate_mux(struct scarlett2_data *private, u32 mux_entry) { const struct scarlett2_device_info *info = private->info; - const struct scarlett2_ports *ports = info->ports; + const int (*port_count)[SCARLETT2_PORT_DIRNS] = info->port_count; int dst_idx, src_idx; - dst_idx = scarlett2_mux_id_to_num(ports, SCARLETT2_PORT_OUT, + dst_idx = scarlett2_mux_id_to_num(port_count, SCARLETT2_PORT_OUT, mux_entry & 0xFFF); if (dst_idx < 0) return; @@ -1049,7 +985,7 @@ static void scarlett2_usb_populate_mux(struct scarlett2_data *private, return; } - src_idx = scarlett2_mux_id_to_num(ports, SCARLETT2_PORT_IN, + src_idx = scarlett2_mux_id_to_num(port_count, SCARLETT2_PORT_IN, mux_entry >> 12); if (src_idx < 0) return; @@ -1098,7 +1034,7 @@ static int scarlett2_usb_set_mux(struct usb_mixer_interface *mixer) { struct scarlett2_data *private = mixer->private_data; const struct scarlett2_device_info *info = private->info; - const struct scarlett2_ports *ports = info->ports; + const int (*port_count)[SCARLETT2_PORT_DIRNS] = info->port_count; int table; struct { @@ -1125,9 +1061,9 @@ static int scarlett2_usb_set_mux(struct usb_mixer_interface *mixer) int j; int port_type = entry->port_type; int port_idx = entry->start; - int mux_idx = scarlett2_get_port_start_num(ports, + int mux_idx = scarlett2_get_port_start_num(port_count, SCARLETT2_PORT_OUT, port_type) + port_idx; - int dst_id = ports[port_type].id + port_idx; + int dst_id = scarlett2_ports[port_type].id + port_idx; /* Empty slots */ if (!dst_id) { @@ -1142,7 +1078,7 @@ static int scarlett2_usb_set_mux(struct usb_mixer_interface *mixer) */ for (j = 0; j < entry->count; j++) { int src_id = scarlett2_mux_src_num_to_id( - ports, private->mux[mux_idx++]); + port_count, private->mux[mux_idx++]); req.data[i++] = cpu_to_le32(dst_id | src_id << 12); dst_id++; @@ -1289,10 +1225,10 @@ static int scarlett2_update_volumes(struct usb_mixer_interface *mixer) { struct scarlett2_data *private = mixer->private_data; const struct scarlett2_device_info *info = private->info; - const struct scarlett2_ports *ports = info->ports; + const int (*port_count)[SCARLETT2_PORT_DIRNS] = info->port_count; struct scarlett2_usb_volume_status volume_status; int num_line_out = - ports[SCARLETT2_PORT_TYPE_ANALOGUE].num[SCARLETT2_PORT_OUT]; + port_count[SCARLETT2_PORT_TYPE_ANALOGUE][SCARLETT2_PORT_OUT]; int err, i; int mute; @@ -1721,9 +1657,9 @@ static int scarlett2_dim_mute_ctl_put(struct snd_kcontrol *kctl, struct usb_mixer_interface *mixer = elem->head.mixer; struct scarlett2_data *private = mixer->private_data; const struct scarlett2_device_info *info = private->info; - const struct scarlett2_ports *ports = info->ports; + const int (*port_count)[SCARLETT2_PORT_DIRNS] = info->port_count; int num_line_out = - ports[SCARLETT2_PORT_TYPE_ANALOGUE].num[SCARLETT2_PORT_OUT]; + port_count[SCARLETT2_PORT_TYPE_ANALOGUE][SCARLETT2_PORT_OUT]; int index = elem->control; int oval, val, err = 0, i; @@ -1772,9 +1708,9 @@ static int scarlett2_add_line_out_ctls(struct usb_mixer_interface *mixer) { struct scarlett2_data *private = mixer->private_data; const struct scarlett2_device_info *info = private->info; - const struct scarlett2_ports *ports = info->ports; + const int (*port_count)[SCARLETT2_PORT_DIRNS] = info->port_count; int num_line_out = - ports[SCARLETT2_PORT_TYPE_ANALOGUE].num[SCARLETT2_PORT_OUT]; + port_count[SCARLETT2_PORT_TYPE_ANALOGUE][SCARLETT2_PORT_OUT]; int err, i; char s[SNDRV_CTL_ELEM_ID_NAME_MAXLEN]; @@ -1913,7 +1849,7 @@ static int scarlett2_mixer_ctl_put(struct snd_kcontrol *kctl, struct usb_mixer_interface *mixer = elem->head.mixer; struct scarlett2_data *private = mixer->private_data; const struct scarlett2_device_info *info = private->info; - const struct scarlett2_ports *ports = info->ports; + const int (*port_count)[SCARLETT2_PORT_DIRNS] = info->port_count; int oval, val, num_mixer_in, mix_num, err = 0; int index = elem->control; @@ -1921,7 +1857,7 @@ static int scarlett2_mixer_ctl_put(struct snd_kcontrol *kctl, oval = private->mix[index]; val = ucontrol->value.integer.value[0]; - num_mixer_in = ports[SCARLETT2_PORT_TYPE_MIX].num[SCARLETT2_PORT_OUT]; + num_mixer_in = port_count[SCARLETT2_PORT_TYPE_MIX][SCARLETT2_PORT_OUT]; mix_num = index / num_mixer_in; if (oval == val) @@ -1958,13 +1894,16 @@ static const struct snd_kcontrol_new scarlett2_mixer_ctl = { static int scarlett2_add_mixer_ctls(struct usb_mixer_interface *mixer) { struct scarlett2_data *private = mixer->private_data; - const struct scarlett2_ports *ports = private->info->ports; + const struct scarlett2_device_info *info = private->info; + const int (*port_count)[SCARLETT2_PORT_DIRNS] = info->port_count; int err, i, j; int index; char s[SNDRV_CTL_ELEM_ID_NAME_MAXLEN]; - int num_inputs = ports[SCARLETT2_PORT_TYPE_MIX].num[SCARLETT2_PORT_OUT]; - int num_outputs = ports[SCARLETT2_PORT_TYPE_MIX].num[SCARLETT2_PORT_IN]; + int num_inputs = + port_count[SCARLETT2_PORT_TYPE_MIX][SCARLETT2_PORT_OUT]; + int num_outputs = + port_count[SCARLETT2_PORT_TYPE_MIX][SCARLETT2_PORT_IN]; for (i = 0, index = 0; i < num_outputs; i++) for (j = 0; j < num_inputs; j++, index++) { @@ -1987,7 +1926,8 @@ static int scarlett2_mux_src_enum_ctl_info(struct snd_kcontrol *kctl, { struct usb_mixer_elem_info *elem = kctl->private_data; struct scarlett2_data *private = elem->head.mixer->private_data; - const struct scarlett2_ports *ports = private->info->ports; + const struct scarlett2_device_info *info = private->info; + const int (*port_count)[SCARLETT2_PORT_DIRNS] = info->port_count; unsigned int item = uinfo->value.enumerated.item; int items = private->num_mux_srcs; int port_type; @@ -2002,13 +1942,15 @@ static int scarlett2_mux_src_enum_ctl_info(struct snd_kcontrol *kctl, for (port_type = 0; port_type < SCARLETT2_PORT_TYPE_COUNT; port_type++) { - if (item < ports[port_type].num[SCARLETT2_PORT_IN]) { + if (item < port_count[port_type][SCARLETT2_PORT_IN]) { + const struct scarlett2_port *port = + &scarlett2_ports[port_type]; + sprintf(uinfo->value.enumerated.name, - ports[port_type].src_descr, - item + ports[port_type].src_num_offset); + port->src_descr, item + port->src_num_offset); return 0; } - item -= ports[port_type].num[SCARLETT2_PORT_IN]; + item -= port_count[port_type][SCARLETT2_PORT_IN]; } return -EINVAL; @@ -2063,18 +2005,20 @@ static const struct snd_kcontrol_new scarlett2_mux_src_enum_ctl = { static int scarlett2_add_mux_enums(struct usb_mixer_interface *mixer) { struct scarlett2_data *private = mixer->private_data; - const struct scarlett2_ports *ports = private->info->ports; + const struct scarlett2_device_info *info = private->info; + const int (*port_count)[SCARLETT2_PORT_DIRNS] = info->port_count; int port_type, channel, i; for (i = 0, port_type = 0; port_type < SCARLETT2_PORT_TYPE_COUNT; port_type++) { for (channel = 0; - channel < ports[port_type].num[SCARLETT2_PORT_OUT]; + channel < port_count[port_type][SCARLETT2_PORT_OUT]; channel++, i++) { int err; char s[SNDRV_CTL_ELEM_ID_NAME_MAXLEN]; - const char *const descr = ports[port_type].dst_descr; + const char *const descr = + scarlett2_ports[port_type].dst_descr; snprintf(s, sizeof(s) - 5, descr, channel + 1); strcat(s, " Enum"); @@ -2160,14 +2104,15 @@ static void scarlett2_private_suspend(struct usb_mixer_interface *mixer) static void scarlett2_count_mux_io(struct scarlett2_data *private) { - const struct scarlett2_ports *ports = private->info->ports; + const struct scarlett2_device_info *info = private->info; + const int (*port_count)[SCARLETT2_PORT_DIRNS] = info->port_count; int port_type, srcs = 0, dsts = 0; for (port_type = 0; port_type < SCARLETT2_PORT_TYPE_COUNT; port_type++) { - srcs += ports[port_type].num[SCARLETT2_PORT_IN]; - dsts += ports[port_type].num[SCARLETT2_PORT_OUT]; + srcs += port_count[port_type][SCARLETT2_PORT_IN]; + dsts += port_count[port_type][SCARLETT2_PORT_OUT]; } private->num_mux_srcs = srcs; @@ -2265,11 +2210,11 @@ static int scarlett2_read_configs(struct usb_mixer_interface *mixer) { struct scarlett2_data *private = mixer->private_data; const struct scarlett2_device_info *info = private->info; - const struct scarlett2_ports *ports = info->ports; + const int (*port_count)[SCARLETT2_PORT_DIRNS] = info->port_count; int num_line_out = - ports[SCARLETT2_PORT_TYPE_ANALOGUE].num[SCARLETT2_PORT_OUT]; + port_count[SCARLETT2_PORT_TYPE_ANALOGUE][SCARLETT2_PORT_OUT]; int num_mixer_out = - ports[SCARLETT2_PORT_TYPE_MIX].num[SCARLETT2_PORT_IN]; + port_count[SCARLETT2_PORT_TYPE_MIX][SCARLETT2_PORT_IN]; struct scarlett2_usb_volume_status volume_status; int err, i; @@ -2356,9 +2301,9 @@ static void scarlett2_notify_monitor( { struct scarlett2_data *private = mixer->private_data; const struct scarlett2_device_info *info = private->info; - const struct scarlett2_ports *ports = info->ports; + const int (*port_count)[SCARLETT2_PORT_DIRNS] = info->port_count; int num_line_out = - ports[SCARLETT2_PORT_TYPE_ANALOGUE].num[SCARLETT2_PORT_OUT]; + port_count[SCARLETT2_PORT_TYPE_ANALOGUE][SCARLETT2_PORT_OUT]; int i; /* if line_out_hw_vol is 0, there are no controls to update */ @@ -2385,9 +2330,9 @@ static void scarlett2_notify_dim_mute( struct snd_card *card = mixer->chip->card; struct scarlett2_data *private = mixer->private_data; const struct scarlett2_device_info *info = private->info; - const struct scarlett2_ports *ports = info->ports; + const int (*port_count)[SCARLETT2_PORT_DIRNS] = info->port_count; int num_line_out = - ports[SCARLETT2_PORT_TYPE_ANALOGUE].num[SCARLETT2_PORT_OUT]; + port_count[SCARLETT2_PORT_TYPE_ANALOGUE][SCARLETT2_PORT_OUT]; int i; private->vol_updated = 1;