linux-kernel - [PATCH 04/21] ALSA: rename BITS to R

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Message-ID: <20251025162858.305236-5-yury.norov@gmail.com>
Date: Sat, 25 Oct 2025 12:28:40 -0400
From: "Yury Norov (NVIDIA)" <yury.norov@...il.com>
To: Linus Torvalds <torvalds@...ux-foundation.org>,
	Linus Walleij <linus.walleij@...aro.org>,
	Nicolas Frattaroli <nicolas.frattaroli@...labora.com>,
	Jaroslav Kysela <perex@...ex.cz>,
	Takashi Iwai <tiwai@...e.com>,
	"Yury Norov (NVIDIA)" <yury.norov@...il.com>,
	linux-sound@...r.kernel.org,
	linux-kernel@...r.kernel.org
Cc: Rasmus Villemoes <linux@...musvillemoes.dk>
Subject: [PATCH 04/21] ALSA: rename BITS to R_BITS

In preparation for adding generic BITS() macro, rename the local one.

Signed-off-by: Yury Norov (NVIDIA) <yury.norov@...il.com>
---
 sound/core/oss/rate.c | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/sound/core/oss/rate.c b/sound/core/oss/rate.c
index b56eeda5e30e..90a40221e4ce 100644
--- a/sound/core/oss/rate.c
+++ b/sound/core/oss/rate.c
@@ -25,8 +25,8 @@
 #include "pcm_plugin.h"
 
 #define SHIFT	11
-#define BITS	(1<<SHIFT)
-#define R_MASK	(BITS-1)
+#define R_BITS	(1<<SHIFT)
+#define R_MASK	(R_BITS-1)
 
 /*
  *  Basic rate conversion plugin
@@ -104,7 +104,7 @@ static void resample_expand(struct snd_pcm_plugin *plugin,
 					src += src_step;
 				}
 			}
-			val = S1 + ((S2 - S1) * (signed int)pos) / BITS;
+			val = S1 + ((S2 - S1) * (signed int)pos) / R_BITS;
 			if (val < -32768)
 				val = -32768;
 			else if (val > 32767)
@@ -162,7 +162,7 @@ static void resample_shrink(struct snd_pcm_plugin *plugin,
 			}
 			if (pos & ~R_MASK) {
 				pos &= R_MASK;
-				val = S1 + ((S2 - S1) * (signed int)pos) / BITS;
+				val = S1 + ((S2 - S1) * (signed int)pos) / R_BITS;
 				if (val < -32768)
 					val = -32768;
 				else if (val > 32767)
@@ -191,7 +191,7 @@ static snd_pcm_sframes_t rate_src_frames(struct snd_pcm_plugin *plugin, snd_pcm_
 		return 0;
 	data = (struct rate_priv *)plugin->extra_data;
 	if (plugin->src_format.rate < plugin->dst_format.rate) {
-		res = (((frames * data->pitch) + (BITS/2)) >> SHIFT);
+		res = (((frames * data->pitch) + (R_BITS/2)) >> SHIFT);
 	} else {
 		res = DIV_ROUND_CLOSEST(frames << SHIFT, data->pitch);
 	}
@@ -226,7 +226,7 @@ static snd_pcm_sframes_t rate_dst_frames(struct snd_pcm_plugin *plugin, snd_pcm_
 	if (plugin->src_format.rate < plugin->dst_format.rate) {
 		res = DIV_ROUND_CLOSEST(frames << SHIFT, data->pitch);
 	} else {
-		res = (((frames * data->pitch) + (BITS/2)) >> SHIFT);
+		res = (((frames * data->pitch) + (R_BITS/2)) >> SHIFT);
 	}
 	if (data->old_dst_frames > 0) {
 		snd_pcm_sframes_t frames1 = frames, res1 = data->old_src_frames;
-- 
2.43.0