All of lore.kernel.org
 help / color / mirror / Atom feed
From: Adrian Bunk <bunk@stusta.de>
To: perex@suse.cz
Cc: alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org
Subject: [2.6 patch] sound/pci/ymfpci/ymfpci_main.c: remove dead code
Date: Sun, 10 Apr 2005 01:12:11 +0200	[thread overview]
Message-ID: <20050409231211.GT3632@stusta.de> (raw)

This patch removes some dead code found by the Coverity checker.

Signed-off-by: Adrian Bunk <bunk@stusta.de>

---

 sound/pci/ymfpci/ymfpci_main.c |   31 ++++++++-----------------------
 1 files changed, 8 insertions(+), 23 deletions(-)

--- linux-2.6.12-rc2-mm2-full/sound/pci/ymfpci/ymfpci_main.c.old	2005-04-09 22:22:16.000000000 +0200
+++ linux-2.6.12-rc2-mm2-full/sound/pci/ymfpci/ymfpci_main.c	2005-04-09 22:38:00.000000000 +0200
@@ -1418,44 +1418,40 @@
   .private_value = reg }
 
 static int snd_ymfpci_info_single(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
 {
-	unsigned int mask = 1;
-
 	switch (kcontrol->private_value) {
 	case YDSXGR_SPDIFOUTCTRL: break;
 	case YDSXGR_SPDIFINCTRL: break;
 	default: return -EINVAL;
 	}
-	uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
+	uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
 	uinfo->count = 1;
 	uinfo->value.integer.min = 0;
-	uinfo->value.integer.max = mask;
+	uinfo->value.integer.max = 1;
 	return 0;
 }
 
 static int snd_ymfpci_get_single(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
 {
 	ymfpci_t *chip = snd_kcontrol_chip(kcontrol);
 	int reg = kcontrol->private_value;
-	unsigned int shift = 0, mask = 1, invert = 0;
+	unsigned int shift = 0, mask = 1;
 	
 	switch (kcontrol->private_value) {
 	case YDSXGR_SPDIFOUTCTRL: break;
 	case YDSXGR_SPDIFINCTRL: break;
 	default: return -EINVAL;
 	}
 	ucontrol->value.integer.value[0] = (snd_ymfpci_readl(chip, reg) >> shift) & mask;
-	if (invert)
-		ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
 	return 0;
 }
 
 static int snd_ymfpci_put_single(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
 {
 	ymfpci_t *chip = snd_kcontrol_chip(kcontrol);
 	int reg = kcontrol->private_value;
-	unsigned int shift = 0, mask = 1, invert = 0;
+	unsigned int shift = 0, mask = 1;
 	int change;
 	unsigned int val, oval;
 	
 	switch (kcontrol->private_value) {
@@ -1463,10 +1459,8 @@
 	case YDSXGR_SPDIFINCTRL: break;
 	default: return -EINVAL;
 	}
 	val = (ucontrol->value.integer.value[0] & mask);
-	if (invert)
-		val = mask - val;
 	val <<= shift;
 	spin_lock_irq(&chip->reg_lock);
 	oval = snd_ymfpci_readl(chip, reg);
 	val = (oval & ~(mask << shift)) | val;
@@ -1484,24 +1478,23 @@
 
 static int snd_ymfpci_info_double(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
 {
 	unsigned int reg = kcontrol->private_value;
-	unsigned int mask = 16383;
 
 	if (reg < 0x80 || reg >= 0xc0)
 		return -EINVAL;
-	uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
+	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
 	uinfo->count = 2;
 	uinfo->value.integer.min = 0;
-	uinfo->value.integer.max = mask;
+	uinfo->value.integer.max = 16383;
 	return 0;
 }
 
 static int snd_ymfpci_get_double(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
 {
 	ymfpci_t *chip = snd_kcontrol_chip(kcontrol);
 	unsigned int reg = kcontrol->private_value;
-	unsigned int shift_left = 0, shift_right = 16, mask = 16383, invert = 0;
+	unsigned int shift_left = 0, shift_right = 16, mask = 16383;
 	unsigned int val;
 	
 	if (reg < 0x80 || reg >= 0xc0)
 		return -EINVAL;
@@ -1509,31 +1502,23 @@
 	val = snd_ymfpci_readl(chip, reg);
 	spin_unlock_irq(&chip->reg_lock);
 	ucontrol->value.integer.value[0] = (val >> shift_left) & mask;
 	ucontrol->value.integer.value[1] = (val >> shift_right) & mask;
-	if (invert) {
-		ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
-		ucontrol->value.integer.value[1] = mask - ucontrol->value.integer.value[1];
-	}
 	return 0;
 }
 
 static int snd_ymfpci_put_double(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
 {
 	ymfpci_t *chip = snd_kcontrol_chip(kcontrol);
 	unsigned int reg = kcontrol->private_value;
-	unsigned int shift_left = 0, shift_right = 16, mask = 16383, invert = 0;
+	unsigned int shift_left = 0, shift_right = 16, mask = 16383;
 	int change;
 	unsigned int val1, val2, oval;
 	
 	if (reg < 0x80 || reg >= 0xc0)
 		return -EINVAL;
 	val1 = ucontrol->value.integer.value[0] & mask;
 	val2 = ucontrol->value.integer.value[1] & mask;
-	if (invert) {
-		val1 = mask - val1;
-		val2 = mask - val2;
-	}
 	val1 <<= shift_left;
 	val2 <<= shift_right;
 	spin_lock_irq(&chip->reg_lock);
 	oval = snd_ymfpci_readl(chip, reg);



-------------------------------------------------------
SF email is sponsored by - The IT Product Guide
Read honest & candid reviews on hundreds of IT Products from real users.
Discover which products truly live up to the hype. Start reading now.
http://ads.osdn.com/?ad_id=6595&alloc_id=14396&op=click

WARNING: multiple messages have this Message-ID (diff)
From: Adrian Bunk <bunk@stusta.de>
To: perex@suse.cz
Cc: alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org
Subject: [2.6 patch] sound/pci/ymfpci/ymfpci_main.c: remove dead code
Date: Sun, 10 Apr 2005 01:12:11 +0200	[thread overview]
Message-ID: <20050409231211.GT3632@stusta.de> (raw)

This patch removes some dead code found by the Coverity checker.

Signed-off-by: Adrian Bunk <bunk@stusta.de>

---

 sound/pci/ymfpci/ymfpci_main.c |   31 ++++++++-----------------------
 1 files changed, 8 insertions(+), 23 deletions(-)

--- linux-2.6.12-rc2-mm2-full/sound/pci/ymfpci/ymfpci_main.c.old	2005-04-09 22:22:16.000000000 +0200
+++ linux-2.6.12-rc2-mm2-full/sound/pci/ymfpci/ymfpci_main.c	2005-04-09 22:38:00.000000000 +0200
@@ -1418,44 +1418,40 @@
   .private_value = reg }
 
 static int snd_ymfpci_info_single(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
 {
-	unsigned int mask = 1;
-
 	switch (kcontrol->private_value) {
 	case YDSXGR_SPDIFOUTCTRL: break;
 	case YDSXGR_SPDIFINCTRL: break;
 	default: return -EINVAL;
 	}
-	uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
+	uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
 	uinfo->count = 1;
 	uinfo->value.integer.min = 0;
-	uinfo->value.integer.max = mask;
+	uinfo->value.integer.max = 1;
 	return 0;
 }
 
 static int snd_ymfpci_get_single(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
 {
 	ymfpci_t *chip = snd_kcontrol_chip(kcontrol);
 	int reg = kcontrol->private_value;
-	unsigned int shift = 0, mask = 1, invert = 0;
+	unsigned int shift = 0, mask = 1;
 	
 	switch (kcontrol->private_value) {
 	case YDSXGR_SPDIFOUTCTRL: break;
 	case YDSXGR_SPDIFINCTRL: break;
 	default: return -EINVAL;
 	}
 	ucontrol->value.integer.value[0] = (snd_ymfpci_readl(chip, reg) >> shift) & mask;
-	if (invert)
-		ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
 	return 0;
 }
 
 static int snd_ymfpci_put_single(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
 {
 	ymfpci_t *chip = snd_kcontrol_chip(kcontrol);
 	int reg = kcontrol->private_value;
-	unsigned int shift = 0, mask = 1, invert = 0;
+	unsigned int shift = 0, mask = 1;
 	int change;
 	unsigned int val, oval;
 	
 	switch (kcontrol->private_value) {
@@ -1463,10 +1459,8 @@
 	case YDSXGR_SPDIFINCTRL: break;
 	default: return -EINVAL;
 	}
 	val = (ucontrol->value.integer.value[0] & mask);
-	if (invert)
-		val = mask - val;
 	val <<= shift;
 	spin_lock_irq(&chip->reg_lock);
 	oval = snd_ymfpci_readl(chip, reg);
 	val = (oval & ~(mask << shift)) | val;
@@ -1484,24 +1478,23 @@
 
 static int snd_ymfpci_info_double(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
 {
 	unsigned int reg = kcontrol->private_value;
-	unsigned int mask = 16383;
 
 	if (reg < 0x80 || reg >= 0xc0)
 		return -EINVAL;
-	uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
+	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
 	uinfo->count = 2;
 	uinfo->value.integer.min = 0;
-	uinfo->value.integer.max = mask;
+	uinfo->value.integer.max = 16383;
 	return 0;
 }
 
 static int snd_ymfpci_get_double(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
 {
 	ymfpci_t *chip = snd_kcontrol_chip(kcontrol);
 	unsigned int reg = kcontrol->private_value;
-	unsigned int shift_left = 0, shift_right = 16, mask = 16383, invert = 0;
+	unsigned int shift_left = 0, shift_right = 16, mask = 16383;
 	unsigned int val;
 	
 	if (reg < 0x80 || reg >= 0xc0)
 		return -EINVAL;
@@ -1509,31 +1502,23 @@
 	val = snd_ymfpci_readl(chip, reg);
 	spin_unlock_irq(&chip->reg_lock);
 	ucontrol->value.integer.value[0] = (val >> shift_left) & mask;
 	ucontrol->value.integer.value[1] = (val >> shift_right) & mask;
-	if (invert) {
-		ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
-		ucontrol->value.integer.value[1] = mask - ucontrol->value.integer.value[1];
-	}
 	return 0;
 }
 
 static int snd_ymfpci_put_double(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
 {
 	ymfpci_t *chip = snd_kcontrol_chip(kcontrol);
 	unsigned int reg = kcontrol->private_value;
-	unsigned int shift_left = 0, shift_right = 16, mask = 16383, invert = 0;
+	unsigned int shift_left = 0, shift_right = 16, mask = 16383;
 	int change;
 	unsigned int val1, val2, oval;
 	
 	if (reg < 0x80 || reg >= 0xc0)
 		return -EINVAL;
 	val1 = ucontrol->value.integer.value[0] & mask;
 	val2 = ucontrol->value.integer.value[1] & mask;
-	if (invert) {
-		val1 = mask - val1;
-		val2 = mask - val2;
-	}
 	val1 <<= shift_left;
 	val2 <<= shift_right;
 	spin_lock_irq(&chip->reg_lock);
 	oval = snd_ymfpci_readl(chip, reg);


             reply	other threads:[~2005-04-09 23:12 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-04-09 23:12 Adrian Bunk [this message]
2005-04-09 23:12 ` [2.6 patch] sound/pci/ymfpci/ymfpci_main.c: remove dead code Adrian Bunk
2005-04-11 13:11 ` Takashi Iwai
2005-04-11 13:11   ` [Alsa-devel] " Takashi Iwai

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20050409231211.GT3632@stusta.de \
    --to=bunk@stusta.de \
    --cc=alsa-devel@alsa-project.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=perex@suse.cz \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.