diff mbox series

[v2,3/5] usb: gadget: u_audio: factorize ssize to alsa fmt conversion

Message ID 20210106133652.512178-4-jbrunet@baylibre.com
State Superseded
Headers show
Series usb: gadget: audio fixes and clean ups | expand

Commit Message

Jerome Brunet Jan. 6, 2021, 1:36 p.m. UTC 
Factorize format related code common to the capture and playback path.

Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>

---
 drivers/usb/gadget/function/u_audio.c | 43 +++++++++++++--------------
 1 file changed, 21 insertions(+), 22 deletions(-)

-- 
2.29.2

Comments

Felipe Balbi Jan. 7, 2021, 9:25 a.m. UTC | #1 
Jerome Brunet <jbrunet@baylibre.com> writes:

> Factorize format related code common to the capture and playback path.

>

> Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>


It's never a good idea to send fixes and cleanups/refactors in the same
series as that can confuse the person applying your changes.

In any case:

Acked-by: Felipe Balbi <balbi@kernel.org>


-- 
balbi
diff mbox series

Patch

diff --git a/drivers/usb/gadget/function/u_audio.c b/drivers/usb/gadget/function/u_audio.c
index 71dd9f16c246..045f237472a7 100644
--- a/drivers/usb/gadget/function/u_audio.c
+++ b/drivers/usb/gadget/function/u_audio.c
@@ -244,6 +244,25 @@  static snd_pcm_uframes_t uac_pcm_pointer(struct snd_pcm_substream *substream)
 	return bytes_to_frames(substream->runtime, prm->hw_ptr);
 }
 
+static u64 uac_ssize_to_fmt(int ssize)
+{
+	u64 ret;
+
+	switch (ssize) {
+	case 3:
+		ret = SNDRV_PCM_FMTBIT_S24_3LE;
+		break;
+	case 4:
+		ret = SNDRV_PCM_FMTBIT_S32_LE;
+		break;
+	default:
+		ret = SNDRV_PCM_FMTBIT_S16_LE;
+		break;
+	}
+
+	return ret;
+}
+
 static int uac_pcm_open(struct snd_pcm_substream *substream)
 {
 	struct snd_uac_chip *uac = snd_pcm_substream_chip(substream);
@@ -269,34 +288,14 @@  static int uac_pcm_open(struct snd_pcm_substream *substream)
 	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
 		spin_lock_init(&uac->p_prm.lock);
 		runtime->hw.rate_min = p_srate;
-		switch (p_ssize) {
-		case 3:
-			runtime->hw.formats = SNDRV_PCM_FMTBIT_S24_3LE;
-			break;
-		case 4:
-			runtime->hw.formats = SNDRV_PCM_FMTBIT_S32_LE;
-			break;
-		default:
-			runtime->hw.formats = SNDRV_PCM_FMTBIT_S16_LE;
-			break;
-		}
+		runtime->hw.formats = uac_ssize_to_fmt(p_ssize);
 		runtime->hw.channels_min = num_channels(p_chmask);
 		runtime->hw.period_bytes_min = 2 * uac->p_prm.max_psize
 						/ runtime->hw.periods_min;
 	} else {
 		spin_lock_init(&uac->c_prm.lock);
 		runtime->hw.rate_min = c_srate;
-		switch (c_ssize) {
-		case 3:
-			runtime->hw.formats = SNDRV_PCM_FMTBIT_S24_3LE;
-			break;
-		case 4:
-			runtime->hw.formats = SNDRV_PCM_FMTBIT_S32_LE;
-			break;
-		default:
-			runtime->hw.formats = SNDRV_PCM_FMTBIT_S16_LE;
-			break;
-		}
+		runtime->hw.formats = uac_ssize_to_fmt(c_ssize);
 		runtime->hw.channels_min = num_channels(c_chmask);
 		runtime->hw.period_bytes_min = 2 * uac->c_prm.max_psize
 						/ runtime->hw.periods_min;