There are three places doing the same check. Let's make them together.

Signed-off-by: Takashi Iwai tiwai@suse.de --- sound/usb/quirks.c | 40 +++++++++++++++++----------------------- 1 file changed, 17 insertions(+), 23 deletions(-)

diff --git a/sound/usb/quirks.c b/sound/usb/quirks.c index 753a47de8459..353532b8aee4 100644 --- a/sound/usb/quirks.c +++ b/sound/usb/quirks.c @@ -1120,17 +1120,24 @@ bool snd_usb_get_sample_rate_quirk(struct snd_usb_audio *chip) /* Marantz/Denon USB DACs need a vendor cmd to switch * between PCM and native DSD mode */ +static bool is_marantz_denon_dac(unsigned int id) +{ + switch (id) { + case USB_ID(0x154e, 0x1003): /* Denon DA-300USB */ + case USB_ID(0x154e, 0x3005): /* Marantz HD-DAC1 */ + case USB_ID(0x154e, 0x3006): /* Marantz SA-14S1 */ + return true; + } + return false; +} + int snd_usb_select_mode_quirk(struct snd_usb_substream *subs, struct audioformat *fmt) { struct usb_device *dev = subs->dev; int err;

- switch (subs->stream->chip->usb_id) { - case USB_ID(0x154e, 0x1003): /* Denon DA-300USB */ - case USB_ID(0x154e, 0x3005): /* Marantz HD-DAC1 */ - case USB_ID(0x154e, 0x3006): /* Marantz SA-14S1 */ - + if (is_marantz_denon_dac(subs->stream->chip->usb_id)) { /* First switch to alt set 0, otherwise the mode switch cmd * will not be accepted by the DAC */ @@ -1203,17 +1210,10 @@ void snd_usb_ctl_msg_quirk(struct usb_device *dev, unsigned int pipe, /* Marantz/Denon devices with USB DAC functionality need a delay * after each class compliant request */ - if ((le16_to_cpu(dev->descriptor.idVendor) == 0x154e) && - (requesttype & USB_TYPE_MASK) == USB_TYPE_CLASS) { - - switch (le16_to_cpu(dev->descriptor.idProduct)) { - case 0x1003: /* Denon DA300-USB */ - case 0x3005: /* Marantz HD-DAC1 */ - case 0x3006: /* Marantz SA-14S1 */ - mdelay(20); - break; - } - } + if (is_marantz_denon_dac(USB_ID(le16_to_cpu(dev->descriptor.idVendor), + le16_to_cpu(dev->descriptor.idProduct))) + && (requesttype & USB_TYPE_MASK) == USB_TYPE_CLASS) + mdelay(20);

/* Zoom R16/24 needs a tiny delay here, otherwise requests like * get/set frequency return as failed despite actually succeeding. @@ -1268,15 +1268,9 @@ u64 snd_usb_interface_dsd_format_quirks(struct snd_usb_audio *chip, }

/* Denon/Marantz devices with USB DAC functionality */ - switch (chip->usb_id) { - case USB_ID(0x154e, 0x1003): /* Denon DA300-USB */ - case USB_ID(0x154e, 0x3005): /* Marantz HD-DAC1 */ - case USB_ID(0x154e, 0x3006): /* Marantz SA-14S1 */ + if (is_marantz_denon_dac(chip->usb_id)) { if (fp->altsetting == 2) return SNDRV_PCM_FMTBIT_DSD_U32_BE; - break; - default: - break; }

return 0;