[alsa-devel] [PATCH] caiaq: LED support for Maschine Controller
Daniel Mack
daniel at zonque.org
Sun Sep 29 12:45:19 CEST 2013
Hi Hannes,
On 28.09.2013 21:51, Hannes Gräuler wrote:
> This patch adds LED support for the Native Instruments Maschine
> Controller. It adds ALSA controls for dimming the LEDs of all
> buttons and the backlight of the two displays.
Thanks a lot for doing this! The patch subject has to be amended to
"ALSA: snd-usb-caiaq: ...", but other than that, this looks all fine to me.
Can you resend with my
Acked-by: Daniel Mack <zonque at gmail.com>
please?
Best regards,
Daniel
>
> Signed-off-by: Hannes Gräuler <hgraeule at uos.de>
> ---
> sound/usb/caiaq/control.c | 92 +++++++++++++++++++++++++++++++++++++++++++++++
> sound/usb/caiaq/device.c | 25 +++++++++++++
> sound/usb/caiaq/device.h | 5 +++
> 3 files changed, 122 insertions(+)
>
> diff --git a/sound/usb/caiaq/control.c b/sound/usb/caiaq/control.c
> index ae6b50f..f65fc09 100644
> --- a/sound/usb/caiaq/control.c
> +++ b/sound/usb/caiaq/control.c
> @@ -28,6 +28,7 @@
> #include "control.h"
>
> #define CNT_INTVAL 0x10000
> +#define MASCHINE_BANK_SIZE 32
>
> static int control_info(struct snd_kcontrol *kcontrol,
> struct snd_ctl_elem_info *uinfo)
> @@ -105,6 +106,10 @@ static int control_put(struct snd_kcontrol *kcontrol,
> USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_TRAKTORKONTROLX1))
> cmd = EP1_CMD_DIMM_LEDS;
>
> + if (cdev->chip.usb_id ==
> + USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_MASCHINECONTROLLER))
> + cmd = EP1_CMD_DIMM_LEDS;
> +
> if (pos & CNT_INTVAL) {
> int i = pos & ~CNT_INTVAL;
>
> @@ -121,6 +126,20 @@ static int control_put(struct snd_kcontrol *kcontrol,
> usb_sndbulkpipe(cdev->chip.dev, 8),
> cdev->ep8_out_buf, sizeof(cdev->ep8_out_buf),
> &actual_len, 200);
> + } else if (cdev->chip.usb_id ==
> + USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_MASCHINECONTROLLER)) {
> +
> + int bank = 0;
> + int offset = 0;
> +
> + if (i >= MASCHINE_BANK_SIZE) {
> + bank = 0x1e;
> + offset = MASCHINE_BANK_SIZE;
> + }
> +
> + snd_usb_caiaq_send_command_bank(cdev, cmd, bank,
> + cdev->control_state + offset,
> + MASCHINE_BANK_SIZE);
> } else {
> snd_usb_caiaq_send_command(cdev, cmd,
> cdev->control_state, sizeof(cdev->control_state));
> @@ -490,6 +509,74 @@ static struct caiaq_controller kontrols4_controller[] = {
> { "LED: FX2: Mode", 133 | CNT_INTVAL },
> };
>
> +static struct caiaq_controller maschine_controller[] = {
> + { "LED: Pad 1", 3 | CNT_INTVAL },
> + { "LED: Pad 2", 2 | CNT_INTVAL },
> + { "LED: Pad 3", 1 | CNT_INTVAL },
> + { "LED: Pad 4", 0 | CNT_INTVAL },
> + { "LED: Pad 5", 7 | CNT_INTVAL },
> + { "LED: Pad 6", 6 | CNT_INTVAL },
> + { "LED: Pad 7", 5 | CNT_INTVAL },
> + { "LED: Pad 8", 4 | CNT_INTVAL },
> + { "LED: Pad 9", 11 | CNT_INTVAL },
> + { "LED: Pad 10", 10 | CNT_INTVAL },
> + { "LED: Pad 11", 9 | CNT_INTVAL },
> + { "LED: Pad 12", 8 | CNT_INTVAL },
> + { "LED: Pad 13", 15 | CNT_INTVAL },
> + { "LED: Pad 14", 14 | CNT_INTVAL },
> + { "LED: Pad 15", 13 | CNT_INTVAL },
> + { "LED: Pad 16", 12 | CNT_INTVAL },
> +
> + { "LED: Mute", 16 | CNT_INTVAL },
> + { "LED: Solo", 17 | CNT_INTVAL },
> + { "LED: Select", 18 | CNT_INTVAL },
> + { "LED: Duplicate", 19 | CNT_INTVAL },
> + { "LED: Navigate", 20 | CNT_INTVAL },
> + { "LED: Pad Mode", 21 | CNT_INTVAL },
> + { "LED: Pattern", 22 | CNT_INTVAL },
> + { "LED: Scene", 23 | CNT_INTVAL },
> +
> + { "LED: Shift", 24 | CNT_INTVAL },
> + { "LED: Erase", 25 | CNT_INTVAL },
> + { "LED: Grid", 26 | CNT_INTVAL },
> + { "LED: Right Bottom", 27 | CNT_INTVAL },
> + { "LED: Rec", 28 | CNT_INTVAL },
> + { "LED: Play", 29 | CNT_INTVAL },
> + { "LED: Left Bottom", 32 | CNT_INTVAL },
> + { "LED: Restart", 33 | CNT_INTVAL },
> +
> + { "LED: Group A", 41 | CNT_INTVAL },
> + { "LED: Group B", 40 | CNT_INTVAL },
> + { "LED: Group C", 37 | CNT_INTVAL },
> + { "LED: Group D", 36 | CNT_INTVAL },
> + { "LED: Group E", 39 | CNT_INTVAL },
> + { "LED: Group F", 38 | CNT_INTVAL },
> + { "LED: Group G", 35 | CNT_INTVAL },
> + { "LED: Group H", 34 | CNT_INTVAL },
> +
> + { "LED: Auto Write", 42 | CNT_INTVAL },
> + { "LED: Snap", 43 | CNT_INTVAL },
> + { "LED: Right Top", 44 | CNT_INTVAL },
> + { "LED: Left Top", 45 | CNT_INTVAL },
> + { "LED: Sampling", 46 | CNT_INTVAL },
> + { "LED: Browse", 47 | CNT_INTVAL },
> + { "LED: Step", 48 | CNT_INTVAL },
> + { "LED: Control", 49 | CNT_INTVAL },
> +
> + { "LED: Top Button 1", 57 | CNT_INTVAL },
> + { "LED: Top Button 2", 56 | CNT_INTVAL },
> + { "LED: Top Button 3", 55 | CNT_INTVAL },
> + { "LED: Top Button 4", 54 | CNT_INTVAL },
> + { "LED: Top Button 5", 53 | CNT_INTVAL },
> + { "LED: Top Button 6", 52 | CNT_INTVAL },
> + { "LED: Top Button 7", 51 | CNT_INTVAL },
> + { "LED: Top Button 8", 50 | CNT_INTVAL },
> +
> + { "LED: Note Repeat", 58 | CNT_INTVAL },
> +
> + { "Backlight Display", 59 | CNT_INTVAL }
> +};
> +
> static int add_controls(struct caiaq_controller *c, int num,
> struct snd_usb_caiaqdev *cdev)
> {
> @@ -553,6 +640,11 @@ int snd_usb_caiaq_control_init(struct snd_usb_caiaqdev *cdev)
> ret = add_controls(kontrols4_controller,
> ARRAY_SIZE(kontrols4_controller), cdev);
> break;
> +
> + case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_MASCHINECONTROLLER):
> + ret = add_controls(maschine_controller,
> + ARRAY_SIZE(maschine_controller), cdev);
> + break;
> }
>
> return ret;
> diff --git a/sound/usb/caiaq/device.c b/sound/usb/caiaq/device.c
> index 1a61dd1..bc55f70 100644
> --- a/sound/usb/caiaq/device.c
> +++ b/sound/usb/caiaq/device.c
> @@ -235,6 +235,31 @@ int snd_usb_caiaq_send_command(struct snd_usb_caiaqdev *cdev,
> cdev->ep1_out_buf, len+1, &actual_len, 200);
> }
>
> +int snd_usb_caiaq_send_command_bank(struct snd_usb_caiaqdev *cdev,
> + unsigned char command,
> + unsigned char bank,
> + const unsigned char *buffer,
> + int len)
> +{
> + int actual_len;
> + struct usb_device *usb_dev = cdev->chip.dev;
> +
> + if (!usb_dev)
> + return -EIO;
> +
> + if (len > EP1_BUFSIZE - 2)
> + len = EP1_BUFSIZE - 2;
> +
> + if (buffer && len > 0)
> + memcpy(cdev->ep1_out_buf+2, buffer, len);
> +
> + cdev->ep1_out_buf[0] = command;
> + cdev->ep1_out_buf[1] = bank;
> +
> + return usb_bulk_msg(usb_dev, usb_sndbulkpipe(usb_dev, 1),
> + cdev->ep1_out_buf, len+2, &actual_len, 200);
> +}
> +
> int snd_usb_caiaq_set_audio_params (struct snd_usb_caiaqdev *cdev,
> int rate, int depth, int bpp)
> {
> diff --git a/sound/usb/caiaq/device.h b/sound/usb/caiaq/device.h
> index ad102fa..ab0f752 100644
> --- a/sound/usb/caiaq/device.h
> +++ b/sound/usb/caiaq/device.h
> @@ -128,5 +128,10 @@ int snd_usb_caiaq_send_command(struct snd_usb_caiaqdev *cdev,
> unsigned char command,
> const unsigned char *buffer,
> int len);
> +int snd_usb_caiaq_send_command_bank(struct snd_usb_caiaqdev *cdev,
> + unsigned char command,
> + unsigned char bank,
> + const unsigned char *buffer,
> + int len);
>
> #endif /* CAIAQ_DEVICE_H */
>
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