From acf2c60a60b3d6d7080854b9483f37d99ded9b23 Mon Sep 17 00:00:00 2001 From: Timur Tabi Date: Fri, 13 Jun 2014 07:42:40 -0500 Subject: [PATCH 1/3] ASoC: fsl-ssi: fix do_div build warning in fsl_ssi_set_bclk() do_div() requires that the first parameter is a 64-bit integer, which but clkrate was defined as an unsigned long. This caused the following warnings: CC sound/soc/fsl/fsl_ssi.o sound/soc/fsl/fsl_ssi.c: In function 'fsl_ssi_set_bclk': sound/soc/fsl/fsl_ssi.c:593:3: warning: comparison of distinct pointer types lacks a cast sound/soc/fsl/fsl_ssi.c:593:3: warning: right shift count >= width of type sound/soc/fsl/fsl_ssi.c:593:3: warning: passing argument 1 of '__div64_32' from incompatible pointer type include/asm-generic/div64.h:35:17: note: expected 'uint64_t *' but argument is of type 'long unsigned int *' Signed-off-by: Timur Tabi Signed-off-by: Mark Brown --- sound/soc/fsl/fsl_ssi.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/sound/soc/fsl/fsl_ssi.c b/sound/soc/fsl/fsl_ssi.c index 9bfef55d77d1..3043d576856b 100644 --- a/sound/soc/fsl/fsl_ssi.c +++ b/sound/soc/fsl/fsl_ssi.c @@ -590,8 +590,8 @@ static int fsl_ssi_set_bclk(struct snd_pcm_substream *substream, else clkrate = clk_round_rate(ssi_private->baudclk, tmprate); - do_div(clkrate, factor); - afreq = (u32)clkrate / (i + 1); + clkrate /= factor; + afreq = clkrate / (i + 1); if (freq == afreq) sub = 0; From b38314179c9ccb789e6fe967cff171fa817e8978 Mon Sep 17 00:00:00 2001 From: Charles Keepax Date: Mon, 16 Jun 2014 21:24:03 +0100 Subject: [PATCH 2/3] ASoC: wm8994: Prevent double lock of accdet_lock mutex on wm1811 wm1811_micd_stop takes the accdet_lock mutex, and is called from two places, one of which is already holding the accdet_lock. This obviously causes a lock up. This patch fixes this issue by removing the lock from wm1811_micd_stop and ensuring that it is always locked externally. Signed-off-by: Charles Keepax Signed-off-by: Mark Brown Cc: stable@vger.kernel.org --- sound/soc/codecs/wm8994.c | 9 +++------ 1 file changed, 3 insertions(+), 6 deletions(-) diff --git a/sound/soc/codecs/wm8994.c b/sound/soc/codecs/wm8994.c index 247b39013fba..9719d3ca8e47 100644 --- a/sound/soc/codecs/wm8994.c +++ b/sound/soc/codecs/wm8994.c @@ -3505,6 +3505,7 @@ static irqreturn_t wm8994_mic_irq(int irq, void *data) return IRQ_HANDLED; } +/* Should be called with accdet_lock held */ static void wm1811_micd_stop(struct snd_soc_codec *codec) { struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec); @@ -3512,14 +3513,10 @@ static void wm1811_micd_stop(struct snd_soc_codec *codec) if (!wm8994->jackdet) return; - mutex_lock(&wm8994->accdet_lock); - snd_soc_update_bits(codec, WM8958_MIC_DETECT_1, WM8958_MICD_ENA, 0); wm1811_jackdet_set_mode(codec, WM1811_JACKDET_MODE_JACK); - mutex_unlock(&wm8994->accdet_lock); - if (wm8994->wm8994->pdata.jd_ext_cap) snd_soc_dapm_disable_pin(&codec->dapm, "MICBIAS2"); @@ -3560,10 +3557,10 @@ static void wm8958_open_circuit_work(struct work_struct *work) open_circuit_work.work); struct device *dev = wm8994->wm8994->dev; - wm1811_micd_stop(wm8994->hubs.codec); - mutex_lock(&wm8994->accdet_lock); + wm1811_micd_stop(wm8994->hubs.codec); + dev_dbg(dev, "Reporting open circuit\n"); wm8994->jack_mic = false; From 5ba4059c385544001031ecff1335e10b3365112c Mon Sep 17 00:00:00 2001 From: Arnd Bergmann Date: Thu, 5 Jun 2014 12:40:04 +0200 Subject: [PATCH 3/3] ASoC: MMP audio needs sram support Building the pxa/mmp audio driver without support for the mmp sram driver enabled results in this link error: sound/built-in.o: In function `mmp_pcm_free_dma_buffers': :(.text+0x3e734): undefined reference to `sram_get_gpool' sound/built-in.o: In function `mmp_pcm_new': :(.text+0x3e7c0): undefined reference to `sram_get_gpool' The sram driver is cannot be manually enabled and needs to be turned on by selecting MMP_SRAM from each module that needs it, which is what this patch does. Ideally, MMP should move over to the generic SRAM support, but for the moment, we can avoid the build error. Signed-off-by: Arnd Bergmann Signed-off-by: Mark Brown --- sound/soc/pxa/Kconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/sound/soc/pxa/Kconfig b/sound/soc/pxa/Kconfig index ea6372b15dd5..a3a7385c969d 100644 --- a/sound/soc/pxa/Kconfig +++ b/sound/soc/pxa/Kconfig @@ -11,6 +11,7 @@ config SND_PXA2XX_SOC config SND_MMP_SOC bool "Soc Audio for Marvell MMP chips" depends on ARCH_MMP + select MMP_SRAM select SND_SOC_GENERIC_DMAENGINE_PCM select SND_ARM help