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| author | Angel Pons <th3fanbus@gmail.com> | 2020-10-24 23:23:07 +0200 |
|---|---|---|
| committer | Patrick Georgi <pgeorgi@google.com> | 2020-11-02 10:41:15 +0000 |
| commit | 554713ee0a32cd8eabd75b276aeb82aa2570b030 (patch) | |
| tree | 48492cb71a23d95d7d7e0b798a0d95f01a9fb82e /src/device/azalia_device.c | |
| parent | 90cdf705aa36f51a997c9bf81cf40ae159b3ce46 (diff) | |
| download | coreboot-554713ee0a32cd8eabd75b276aeb82aa2570b030.tar.xz | |
azalia: Treat all negative return values as errors
Instead of checking whether the return value equals -1, just check if it
is negative. Some Azalia implementations already do it, but most do not.
Change-Id: I43ce72a01c07eff62d645db28c09584b386532ff
Signed-off-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/46727
Reviewed-by: Michael Niewöhner <foss@mniewoehner.de>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/device/azalia_device.c')
| -rw-r--r-- | src/device/azalia_device.c | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/src/device/azalia_device.c b/src/device/azalia_device.c index 279f8a1a0a..4ab45bcc09 100644 --- a/src/device/azalia_device.c +++ b/src/device/azalia_device.c @@ -40,7 +40,7 @@ static int codec_detect(u8 *base) int count; /* Set Bit 0 to 1 to exit reset state (BAR + 0x8)[0] */ - if (set_bits(base + HDA_GCTL_REG, 1, HDA_GCTL_CRST) == -1) + if (set_bits(base + HDA_GCTL_REG, 1, HDA_GCTL_CRST) < 0) goto no_codec; /* clear STATESTS bits (BAR + 0xe)[2:0] */ @@ -62,11 +62,11 @@ static int codec_detect(u8 *base) goto no_codec; /* Set Bit 0 to 0 to enter reset state (BAR + 0x8)[0] */ - if (set_bits(base + HDA_GCTL_REG, 1, 0) == -1) + if (set_bits(base + HDA_GCTL_REG, 1, 0) < 0) goto no_codec; /* Set Bit 0 to 1 to exit reset state (BAR + 0x8)[0] */ - if (set_bits(base + HDA_GCTL_REG, 1, HDA_GCTL_CRST) == -1) + if (set_bits(base + HDA_GCTL_REG, 1, HDA_GCTL_CRST) < 0) goto no_codec; /* Read in Codec location (BAR + 0xe)[2..0] */ @@ -166,7 +166,7 @@ static void codec_init(struct device *dev, u8 *base, int addr) printk(BIOS_DEBUG, "azalia_audio: Initializing codec #%d\n", addr); /* 1 */ - if (wait_for_ready(base) == -1) { + if (wait_for_ready(base) < 0) { printk(BIOS_DEBUG, " codec not ready.\n"); return; } @@ -174,7 +174,7 @@ static void codec_init(struct device *dev, u8 *base, int addr) reg32 = (addr << 28) | 0x000f0000; write32(base + HDA_IC_REG, reg32); - if (wait_for_valid(base) == -1) { + if (wait_for_valid(base) < 0) { printk(BIOS_DEBUG, " codec not valid.\n"); return; } @@ -192,12 +192,12 @@ static void codec_init(struct device *dev, u8 *base, int addr) /* 3 */ for (i = 0; i < verb_size; i++) { - if (wait_for_ready(base) == -1) + if (wait_for_ready(base) < 0) return; write32(base + HDA_IC_REG, verb[i]); - if (wait_for_valid(base) == -1) + if (wait_for_valid(base) < 0) return; } printk(BIOS_DEBUG, "azalia_audio: verb loaded.\n"); |