ALSA: line6: Use container_of()
... instead of unconditional cast. Signed-off-by: Takashi Iwai <tiwai@suse.de>alistair/sunxi64-5.4-dsi
Takashi Iwai
parent
be8fd484e9
commit
f23a09eea1
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@ -74,6 +74,8 @@ struct usb_line6_pod {
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int device_id;
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};
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#define line6_to_pod(x) container_of(x, struct usb_line6_pod, line6)
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#define POD_SYSEX_CODE 3
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/* *INDENT-OFF* */
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@ -177,7 +179,7 @@ static char *pod_alloc_sysex_buffer(struct usb_line6_pod *pod, int code,
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*/
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static void line6_pod_process_message(struct usb_line6 *line6)
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{
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struct usb_line6_pod *pod = (struct usb_line6_pod *) line6;
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struct usb_line6_pod *pod = line6_to_pod(line6);
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const unsigned char *buf = pod->line6.buffer_message;
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if (memcmp(buf, pod_version_header, sizeof(pod_version_header)) == 0) {
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@ -274,7 +276,7 @@ static ssize_t device_id_show(struct device *dev,
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static void pod_startup(struct usb_line6 *line6)
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{
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struct usb_line6_pod *pod = (struct usb_line6_pod *) line6;
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struct usb_line6_pod *pod = line6_to_pod(line6);
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switch (pod->startup_progress) {
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case POD_STARTUP_VERSIONREQ:
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@ -328,7 +330,7 @@ static int snd_pod_control_monitor_get(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol)
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{
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struct snd_line6_pcm *line6pcm = snd_kcontrol_chip(kcontrol);
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struct usb_line6_pod *pod = (struct usb_line6_pod *)line6pcm->line6;
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struct usb_line6_pod *pod = line6_to_pod(line6pcm->line6);
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ucontrol->value.integer.value[0] = pod->monitor_level;
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return 0;
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@ -339,7 +341,7 @@ static int snd_pod_control_monitor_put(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol)
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{
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struct snd_line6_pcm *line6pcm = snd_kcontrol_chip(kcontrol);
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struct usb_line6_pod *pod = (struct usb_line6_pod *)line6pcm->line6;
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struct usb_line6_pod *pod = line6_to_pod(line6pcm->line6);
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if (ucontrol->value.integer.value[0] == pod->monitor_level)
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return 0;
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@ -368,7 +370,7 @@ static int pod_init(struct usb_line6 *line6,
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const struct usb_device_id *id)
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{
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int err;
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struct usb_line6_pod *pod = (struct usb_line6_pod *) line6;
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struct usb_line6_pod *pod = line6_to_pod(line6);
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line6->process_message = line6_pod_process_message;
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line6->startup = pod_startup;
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@ -44,6 +44,8 @@ struct usb_line6_podhd {
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int firmware_version;
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};
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#define line6_to_podhd(x) container_of(x, struct usb_line6_podhd, line6)
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static struct snd_ratden podhd_ratden = {
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.num_min = 48000,
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.num_max = 48000,
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@ -231,7 +233,7 @@ exit:
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static void podhd_startup(struct usb_line6 *line6)
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{
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struct usb_line6_podhd *pod = (struct usb_line6_podhd *)line6;
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struct usb_line6_podhd *pod = line6_to_podhd(line6);
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podhd_dev_start(pod);
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line6_read_serial_number(&pod->line6, &pod->serial_number);
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@ -241,7 +243,7 @@ static void podhd_startup(struct usb_line6 *line6)
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static void podhd_disconnect(struct usb_line6 *line6)
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{
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struct usb_line6_podhd *pod = (struct usb_line6_podhd *)line6;
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struct usb_line6_podhd *pod = line6_to_podhd(line6);
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if (pod->line6.properties->capabilities & LINE6_CAP_CONTROL_INFO) {
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struct usb_interface *intf;
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@ -260,7 +262,7 @@ static int podhd_init(struct usb_line6 *line6,
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const struct usb_device_id *id)
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{
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int err;
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struct usb_line6_podhd *pod = (struct usb_line6_podhd *) line6;
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struct usb_line6_podhd *pod = line6_to_podhd(line6);
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struct usb_interface *intf;
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line6->disconnect = podhd_disconnect;
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@ -61,6 +61,8 @@ struct usb_line6_toneport {
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struct toneport_led leds[2];
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};
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#define line6_to_toneport(x) container_of(x, struct usb_line6_toneport, line6)
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static int toneport_send_cmd(struct usb_device *usbdev, int cmd1, int cmd2);
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#define TONEPORT_PCM_DELAY 1
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@ -211,8 +213,8 @@ static int snd_toneport_source_get(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol)
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{
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struct snd_line6_pcm *line6pcm = snd_kcontrol_chip(kcontrol);
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struct usb_line6_toneport *toneport =
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(struct usb_line6_toneport *)line6pcm->line6;
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struct usb_line6_toneport *toneport = line6_to_toneport(line6pcm->line6);
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ucontrol->value.enumerated.item[0] = toneport->source;
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return 0;
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}
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@ -222,8 +224,7 @@ static int snd_toneport_source_put(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol)
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{
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struct snd_line6_pcm *line6pcm = snd_kcontrol_chip(kcontrol);
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struct usb_line6_toneport *toneport =
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(struct usb_line6_toneport *)line6pcm->line6;
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struct usb_line6_toneport *toneport = line6_to_toneport(line6pcm->line6);
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unsigned int source;
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source = ucontrol->value.enumerated.item[0];
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@ -397,8 +398,7 @@ static int toneport_setup(struct usb_line6_toneport *toneport)
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*/
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static void line6_toneport_disconnect(struct usb_line6 *line6)
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{
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struct usb_line6_toneport *toneport =
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(struct usb_line6_toneport *)line6;
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struct usb_line6_toneport *toneport = line6_to_toneport(line6);
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if (toneport_has_led(toneport))
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toneport_remove_leds(toneport);
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@ -412,7 +412,7 @@ static int toneport_init(struct usb_line6 *line6,
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const struct usb_device_id *id)
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{
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int err;
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struct usb_line6_toneport *toneport = (struct usb_line6_toneport *) line6;
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struct usb_line6_toneport *toneport = line6_to_toneport(line6);
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toneport->type = id->driver_info;
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@ -47,6 +47,8 @@ struct usb_line6_variax {
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int startup_progress;
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};
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#define line6_to_variax(x) container_of(x, struct usb_line6_variax, line6)
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#define VARIAX_OFFSET_ACTIVATE 7
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/*
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@ -86,7 +88,7 @@ static void variax_activate_async(struct usb_line6_variax *variax, int a)
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static void variax_startup(struct usb_line6 *line6)
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{
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struct usb_line6_variax *variax = (struct usb_line6_variax *)line6;
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struct usb_line6_variax *variax = line6_to_variax(line6);
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switch (variax->startup_progress) {
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case VARIAX_STARTUP_VERSIONREQ:
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@ -115,7 +117,7 @@ static void variax_startup(struct usb_line6 *line6)
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*/
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static void line6_variax_process_message(struct usb_line6 *line6)
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{
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struct usb_line6_variax *variax = (struct usb_line6_variax *) line6;
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struct usb_line6_variax *variax = line6_to_variax(line6);
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const unsigned char *buf = variax->line6.buffer_message;
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switch (buf[0]) {
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@ -149,7 +151,7 @@ static void line6_variax_process_message(struct usb_line6 *line6)
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*/
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static void line6_variax_disconnect(struct usb_line6 *line6)
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{
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struct usb_line6_variax *variax = (struct usb_line6_variax *)line6;
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struct usb_line6_variax *variax = line6_to_variax(line6);
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kfree(variax->buffer_activate);
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}
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@ -160,7 +162,7 @@ static void line6_variax_disconnect(struct usb_line6 *line6)
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static int variax_init(struct usb_line6 *line6,
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const struct usb_device_id *id)
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{
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struct usb_line6_variax *variax = (struct usb_line6_variax *) line6;
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struct usb_line6_variax *variax = line6_to_variax(line6);
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int err;
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line6->process_message = line6_variax_process_message;
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